1
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Sharma G, Sharma CS. Tetrahydropyridine appended 8-aminoquinoline derivatives: Design, synthesis, in silico, and in vitro antimalarial studies. Bioorg Chem 2024; 151:107674. [PMID: 39059071 DOI: 10.1016/j.bioorg.2024.107674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Antimalarial drug resistance is a major obstacle in the ongoing quest against malaria. The disease affects half of the world's population. The majority of them are toddlers and pregnant women. Needed a potent compound to act on drug-resistant Pf at appropriate concentrations without endangering the host. Envisaged solving this issue through rational drug design by creating a novel hybrid drug possessing two pharmacophores that can act on two marvellous and independent aims within the cell. Synthesized a new series of substituted 4-phenyl-1,2,3,6-tetrahydropyridine (THP) 8-Aminoquinoline-based hybrid analogs which have been integrated with quinoline, chloroquine, pamaquine, and primaquine, which exhibited antimalarial activity against Pf. Out of thirteen 4-phenyl-1,2,3,6-THP appended 8-Aminoquinoline derivatives, the compounds 1j, 1e, 1b, and 1l have exhibited good antimalarial activity against chloroquine-sensitive (3D7) and chloroquine-resistant (RKL-9) strain with the minimum inhibitory concentration. Compound 1b was the most effective and showed consistently good potency against the drug-resistant (RKL-9) strain, although all other arrays showed good antimalarial efficacy. Additional docking and molecular dynamics studies were carried out at several targeting sites to quantify the structural parameters necessary for the activity.
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Affiliation(s)
- Ganesh Sharma
- Department of Pharmaceutical Chemistry, Bhupal Nobles' College of Pharmacy, Bhupal Nobles' University, Udaipur, Rajasthan 313001, India.
| | - C S Sharma
- Department of Pharmaceutical Chemistry, Bhupal Nobles' College of Pharmacy, Bhupal Nobles' University, Udaipur, Rajasthan 313001, India
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2
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Zhu FY, Wu BD, Du MH, Yao JL, Abrahams BF, Gu H, Braunstein P, Lang JP. Tandem Protocol for Diversified Deuteration of Secondary Aliphatic Amines under Mild Conditions. J Org Chem 2024; 89:11414-11420. [PMID: 39102497 DOI: 10.1021/acs.joc.4c01089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/07/2024]
Abstract
Deuteration of amine compounds has been widely of concern because of its practical role in organic reaction mechanisms and drug research; however, only limited deuteration label methods are accessible with D2O as a deuterium source. Herein, we propose a convenient deuteration protocol, including preparing D2 by the AlGa activation method, using PtRu nanowires as catalysts, and utilizing the elementary step in the couple reaction involving an imine unit, to realize the rapid preparation of a secondary amine with a diversified deuteration label. The self-coupling between nitriles not only provides a symmetric secondary amine with four α-D atoms but also produces high-valued ND3 in an atomic-economic way.
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Affiliation(s)
- Feng-Yuan Zhu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123 Jiangsu, P. R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
| | - Bao-De Wu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123 Jiangsu, P. R. China
| | - Ming-Hao Du
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123 Jiangsu, P. R. China
| | - Jian-Lin Yao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123 Jiangsu, P. R. China
| | | | - Hongwei Gu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123 Jiangsu, P. R. China
| | - Pierre Braunstein
- Université de Strasbourg─CNRS, Institut de Chimie (UMR 7177 CNRS), 4 rue Blaise Pascal-CS 90032, Strasbourg 67081, France
| | - Jian-Ping Lang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123 Jiangsu, P. R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
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3
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Goyal A, Kharkwal H, Piplani M, Singh Y, Murugesan S, Aggarwal A, Kumar P, Chander S. Spotlight on 4-substituted quinolines as potential anti-infective agents: Journey beyond chloroquine. Arch Pharm (Weinheim) 2023; 356:e2200361. [PMID: 36494101 DOI: 10.1002/ardp.202200361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 12/14/2022]
Abstract
Continued emerging resistance of pathogens against the clinically approved candidates and their associated limitations continuously demand newer agents having better potency with a more suited safety profile. Quinoline nuclei containing scaffolds of natural and synthetic origin have been documented for diverse types of pharmacological activities, and a number of drugs are clinically approved. In the present review, we unprecedentedly covered the biological potential of 4-substituted quinoline and elaborated a rationale for its special privilege to afford the significant number of approved clinical drugs, particularly against infectious pathogens. Compounds with 4-substituted quinoline are well documented for antimalarial activity, but in the last two decades, they have been extensively explored for activity against cancer, tuberculosis, and several other pathogens including viruses, bacteria, fungi, and other infectious pathogens. In the present study, the anti-infective spectrum of this scaffold is discussed against viruses, mycobacteria, malarial parasites, and fungal and bacterial strains, along with recent updates in this area, with special emphasis on the structure-activity relationship.
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Affiliation(s)
- Ankush Goyal
- School of Pharmacy, Maharaja Agrasen University, Solan, Himachal Pradesh, India
| | - Harsha Kharkwal
- Amity Institute of Phytochemistry & Phytomedicine, Amity University Uttar Pradesh, Noida, Uttar Pradesh, India
| | - Mona Piplani
- School of Pharmacy, Maharaja Agrasen University, Solan, Himachal Pradesh, India
| | - Yogendra Singh
- School of Pharmacy, Maharaja Agrasen University, Solan, Himachal Pradesh, India
| | | | - Amit Aggarwal
- School of Pharmacy, Maharaja Agrasen University, Solan, Himachal Pradesh, India
| | - Piyush Kumar
- Department of Chemistry, Indian Institute of Technology, Jammu, Jammu and Kashmir, India
| | - Subhash Chander
- Amity Institute of Phytochemistry & Phytomedicine, Amity University Uttar Pradesh, Noida, Uttar Pradesh, India
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4
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Aksić J, Genčić M, Stojanović N, Radulović N, Zlatković D, Dimitrijević M, Stojanović-Radić Z, Srbljanović J, Štajner T, Jovanović L. New Iron Twist to Chloroquine─Upgrading Antimalarials with Immunomodulatory and Antimicrobial Features. J Med Chem 2023; 66:2084-2101. [PMID: 36661364 DOI: 10.1021/acs.jmedchem.2c01851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Herein, upgraded chloroquine (CQ) derivatives capable of overcoming Plasmodium resistance and, at the same time, suppressing excessive immune response and risk of concurrent bacteremia were developed. Twelve new ferrocene-CQ hybrids tethered with a small azathia heterocycle (1,3-thiazolidin-4-one, 1,3-thiazinan-4-one, or 5-methyl-1,3-thiazolidin-4-one) were synthesized and fully characterized. All hybrids were evaluated for their in vitro antiplasmodial, antimicrobial, and immunomodulatory activities. Additional assays were performed on selected hybrids to gain insights into their mode of action. Although only hybrid 4a was more potent than the parent drug toward CQ-resistant Dd2 Plasmodium falciparum strain, several other hybrids (such as 6b, 6c, and 6d) manifested substantially improved antimicrobial and immunomodulatory properties. Interesting structure-activity relationship data were obtained, hinting at future research for the development of new multitarget chemotherapies for malaria and other infectious diseases complicated by drug resistance, bacterial co-infection, and immune-driven pathology issues.
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Affiliation(s)
- Jelena Aksić
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000Niš, Serbia
| | - Marija Genčić
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000Niš, Serbia
| | - Nikola Stojanović
- Department of Physiology, Faculty of Medicine, University of Niš, Bulevar Zorana D̵ind̵ića 81, 18000Niš, Serbia
| | - Niko Radulović
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000Niš, Serbia
| | - Dragan Zlatković
- Department of Chemistry, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000Niš, Serbia
| | - Marina Dimitrijević
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000Niš, Serbia
| | - Zorica Stojanović-Radić
- Department of Biology and Ecology, Faculty of Sciences and Mathematics, University of Niš, Višegradska 33, 18000Niš, Serbia
| | - Jelena Srbljanović
- National Reference Laboratory for Toxoplasmosis, Centre for Parasitic Zoonoses, Institute for Medical Research, University of Belgrade, Dr. Subotića 4, 11129Belgrade, Serbia
| | - Tijana Štajner
- National Reference Laboratory for Toxoplasmosis, Centre for Parasitic Zoonoses, Institute for Medical Research, University of Belgrade, Dr. Subotića 4, 11129Belgrade, Serbia
| | - Ljiljana Jovanović
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovića 3, 21000Novi Sad, Serbia
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5
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Discovery of Novel Thiazolidinedione-Derivatives with Multi-Modal Antidiabetic Activities In Vitro and In Silico. Int J Mol Sci 2023; 24:ijms24033024. [PMID: 36769344 PMCID: PMC9917550 DOI: 10.3390/ijms24033024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/28/2023] [Accepted: 02/01/2023] [Indexed: 02/08/2023] Open
Abstract
Diabetes mellitus (DM) and related complications continue to exert a significant burden on health care systems globally. Although conventional pharmacological therapies are beneficial in the management of this metabolic condition, it is still necessary to seek novel potential molecules for its management. On this basis, we have synthesised and evaluated the anti-diabetic properties of four novel thiazolidinedione (TZD)-derivatives. The TZD derivatives were synthesised through the pharmacophore hybridisation strategy based on N-arylpyrrole and TZD. The resultant derivatives at different concentrations were screened against key enzymes of glucose metabolism and glucose utilisation in the liver (HEP-G2) cell line. Additionally, peroxisome proliferator-activated receptor-γ activation was performed through docking studies. Docking of these molecules against PPAR-γ predicted strong binding, similar to that of rosiglitazone. Hence, TZDD2 was able to increase glucose uptake in the liver cells as compared to the control. The enzymatic inhibition assays showed a relative inhibition activity; with all four derivatives exhibiting ≥ 50% inhibition activity in the α-amylase inhibition assay and a concentration dependent activity in the α-glucosidase inhibition assay. All four derivatives exhibited ≥30% inhibition in the aldose reductase inhibition assay, except TZDD1 at 10 µg/mL. Interestingly, TZDD3 showed a decreasing inhibition activity. In the dipeptidyl peptidase-4 inhibition assay, TZDD2 and TZDD4 exhibited ≥20% inhibition activity.
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6
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Singh B, Chetia D, Kumawat MK. Synthesis and In Vitro Antimalarial Activity Evaluation of Some New 1,2-Diaminopropane Side-Chain-Modified 4-Aminoquinoline Mannich Bases. Pharm Chem J 2021. [DOI: 10.1007/s11094-021-02484-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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7
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Tiwari V, Joshi P, Yadav K, Sharma A, Chowdhury S, Manhas A, Kumar N, Tripathi R, Haq W. Synthesis and Antimalarial Activity of 4-Methylaminoquinoline Compounds against Drug-Resistant Parasite. ACS OMEGA 2021; 6:12984-12994. [PMID: 34056449 PMCID: PMC8158791 DOI: 10.1021/acsomega.0c06053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 04/15/2021] [Indexed: 05/26/2023]
Abstract
A series of novel 4-aminoquinoline analogues bearing a methyl group at 4-aminoquinoline moiety were synthesized via a new and robust synthetic route comprising in situ tert-butoxycarbonyl (Boc) deprotection-methylation cascade resulting in the corresponding N-methylated secondary amine using Red-Al and an efficient microwave-assisted strategy for the fusion of N-methylated secondary amine with 4-chloroquinoline nucleus to access the series of novel 4-N-methylaminoquinoline analogues. The new series of compounds were evaluated for their antimalarial activity in in vitro and in vivo models. Among 21 tested compounds, 9a-i have shown a half-maximal inhibitory concentration (IC50) value less than 0.5 μM (i.e., <500 nM) against both chloroquine-sensitive strain 3D7 and chloroquine-resistant strain K1 of Plasmodium falciparum with acceptable cytotoxicity. Based on the in vitro antimalarial activity, selected compounds were screened for their in vivo antimalarial activity against Plasmodium yoelii nigeriensis (a multidrug-resistant) parasite in Swiss mice. Most of the compounds have shown significant inhibition on day 4 post infection at the oral dose of 100 mg/kg. Compound 9a has shown 100% parasite inhibition on day 4, and out of five treated mice, two were cured till the end of the experiment. The present study suggests that 4-methylamino substitution is well tolerated for the antiplasmodial activity with reduced toxicity and therefore will be highly useful for the discovery of a new antimalarial agent against drug-resistant malaria.
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Affiliation(s)
- Vinay
Shankar Tiwari
- Medicinal
and Process Chemistry Division, CSIR-Central
Drug Research Institute, Lucknow 226031, India
| | - Prince Joshi
- Division
of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Kanchan Yadav
- Division
of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Anamika Sharma
- Division
of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Sushobhan Chowdhury
- Medicinal
and Process Chemistry Division, CSIR-Central
Drug Research Institute, Lucknow 226031, India
| | - Ashan Manhas
- Division
of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Niti Kumar
- Division
of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Renu Tripathi
- Division
of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow 226031, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Wahajul Haq
- Medicinal
and Process Chemistry Division, CSIR-Central
Drug Research Institute, Lucknow 226031, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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8
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Hisamatsu Y, Otani K, Takase H, Umezawa N, Higuchi T. Fluorescence Response and Self-Assembly of a Tweezer-Type Synthetic Receptor Triggered by Complexation with Heme and Its Catabolites. Chemistry 2021; 27:6489-6499. [PMID: 33026121 DOI: 10.1002/chem.202003872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 09/28/2020] [Indexed: 11/11/2022]
Abstract
There is increasing interest in the development and applications of synthetic receptors that recognize target biomolecules in aqueous media. We have developed a new tweezer-type synthetic receptor that gives a significant fluorescence response upon complexation with heme in aqueous solution at pH 7.4. The synthetic receptor consists of a tweezer-type heme recognition site and sulfo-Cy5 as a hydrophilic fluorophore. The receptor-heme complex exhibits a supramolecular amphiphilic character that facilitates the formation of self-assembled aggregates, and both the tweezer moiety and the sulfo-Cy5 moiety are important for this property. The synthetic receptor also exhibits significant fluorescence responses to biliverdin and bilirubin, but shows very weak fluorescence responses to flavin mononucleotide, folic acid, and nicotinamide adenine dinucleotide, which contain smaller π-scaffolds.
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Affiliation(s)
- Yosuke Hisamatsu
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, 467-8603, Japan
| | - Koki Otani
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, 467-8603, Japan
| | - Hiroshi Takase
- Graduate School of Medical Sciences, Nagoya City University, 1 Kawasumi, Mizuho-cho, Mizuho-ku, Nagoya, 467-8601, Japan
| | - Naoki Umezawa
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, 467-8603, Japan
| | - Tsunehiko Higuchi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya, 467-8603, Japan
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9
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Huang G, Murillo Solano C, Melendez J, Shaw J, Collins J, Banks R, Arshadi AK, Boonhok R, Min H, Miao J, Chakrabarti D, Yuan Y. Synthesis, Structure-Activity Relationship, and Antimalarial Efficacy of 6-Chloro-2-arylvinylquinolines. J Med Chem 2020; 63:11756-11785. [PMID: 32959656 DOI: 10.1021/acs.jmedchem.0c00858] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
There is an urgent need to develop new efficacious antimalarials to address the emerging drug-resistant clinical cases. Our previous phenotypic screening identified styrylquinoline UCF501 as a promising antimalarial compound. To optimize UCF501, we herein report a detailed structure-activity relationship study of 2-arylvinylquinolines, leading to the discovery of potent, low nanomolar antiplasmodial compounds against a Plasmodium falciparum CQ-resistant Dd2 strain, with excellent selectivity profiles (resistance index < 1 and selectivity index > 200). Several metabolically stable 2-arylvinylquinolines are identified as fast-acting agents that kill asexual blood-stage parasites at the trophozoite phase, and the most promising compound 24 also demonstrates transmission blocking potential. Additionally, the monophosphate salt of 24 exhibits excellent in vivo antimalarial efficacy in the murine model without noticeable toxicity. Thus, the 2-arylvinylquinolines represent a promising class of antimalarial drug leads.
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Affiliation(s)
- Guang Huang
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
| | - Claribel Murillo Solano
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Joel Melendez
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Justin Shaw
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Jennifer Collins
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Robert Banks
- Research Program Services, University of Central Florida, Orlando, Florida 32816, United States
| | - Arash Keshavarzi Arshadi
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Rachasak Boonhok
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida 33612, United States.,Department of Medical Technology, School of Allied Health Science, Walailak University, Nakhon Si Thammarat 80160, Thailand
| | - Hui Min
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida 33612, United States
| | - Jun Miao
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Florida 33612, United States
| | - Debopam Chakrabarti
- Division of Molecular Microbiology, Burnett School of Biomedical Sciences, University of Central Florida, Orlando, Florida 32826, United States
| | - Yu Yuan
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
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10
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Santos IDA, Grosche VR, Bergamini FRG, Sabino-Silva R, Jardim ACG. Antivirals Against Coronaviruses: Candidate Drugs for SARS-CoV-2 Treatment? Front Microbiol 2020; 11:1818. [PMID: 32903349 PMCID: PMC7438404 DOI: 10.3389/fmicb.2020.01818] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 07/10/2020] [Indexed: 01/08/2023] Open
Abstract
Coronaviruses (CoVs) are a group of viruses from the family Coronaviridae that can infect humans and animals, causing mild to severe diseases. The ongoing pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) represents a global threat, urging the development of new therapeutic strategies. Here we present a selection of relevant compounds that have been described from 2005 until now as having in vitro and/or in vivo antiviral activities against human and/or animal CoVs. We also present compounds that have reached clinical trials as well as further discussing the potentiality of other molecules for application in (re)emergent CoVs outbreaks. Finally, through rationalization of the data presented herein, we wish to encourage further research encompassing these compounds as potential SARS-CoV-2 drug candidates.
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Affiliation(s)
- Igor de Andrade Santos
- Laboratory of Virology, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
| | - Victória Riquena Grosche
- Laboratory of Virology, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
- Institute of Biosciences, Language and Exact Sciences, São Paulo State University, São José do Rio Preto, Brazil
| | | | - Robinson Sabino-Silva
- Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil
| | - Ana Carolina Gomes Jardim
- Laboratory of Virology, Institute of Biomedical Science, Federal University of Uberlândia, Uberlândia, Brazil
- Institute of Biosciences, Language and Exact Sciences, São Paulo State University, São José do Rio Preto, Brazil
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11
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Sharma B, Kaur S, Legac J, Rosenthal PJ, Kumar V. Synthesis, anti-plasmodial and cytotoxic evaluation of 1H-1,2,3-triazole/acyl hydrazide integrated tetrahydro-β-carboline-4-aminoquinoline conjugates. Bioorg Med Chem Lett 2020; 30:126810. [DOI: 10.1016/j.bmcl.2019.126810] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 11/01/2019] [Accepted: 11/04/2019] [Indexed: 12/20/2022]
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12
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Colmenarez C, Acosta M, Rodríguez M, Charris J. Synthesis and antimalarial activity of (S)-methyl-(7-chloroquinolin-4-ylthio)acetamidoalquilate derivatives. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819890559] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The synthesis of five new ( S)-methyl-(7-chloroquinolin-4-ylthio)acetamidoalquilate derivatives is carried out under a modified version of the Steglich esterification reaction between different l-amino acid methyl esters and 2-(7-chloroquinolin-4-ylthio)acetic acid. Two of the compounds showed significant inhibition (>50%) of β-hematin formation. The two active structures were tested in vivo as potential antimalarials in mice infected with Plasmodium berghei ANKA, a chloroquine susceptible strain. Compounds 6b and 6e exhibited antimalarial activity comparable to that of chloroquine.
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Affiliation(s)
- Custodiana Colmenarez
- Organic Synthesis Laboratory, Faculty of Pharmacy, Central University of Venezuela, Caracas, Venezuela
| | - María Acosta
- Biochemistry Unit, Faculty of Pharmacy, Central University of Venezuela, Caracas, Venezuela
| | - Miguel Rodríguez
- Organic Synthesis Laboratory, Faculty of Pharmacy, Central University of Venezuela, Caracas, Venezuela
| | - Jaime Charris
- Organic Synthesis Laboratory, Faculty of Pharmacy, Central University of Venezuela, Caracas, Venezuela
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13
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Poola S, Shaik MS, Sudileti M, Yakkate S, Nalluri V, Chippada A, Cirandur SR. Nano CuO–Ag‐catalyzed synthesis of some novel pyrano[2,3‐d] pyrimidine derivatives and evaluation of their bioactivity. J CHIN CHEM SOC-TAIP 2019. [DOI: 10.1002/jccs.201900256] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Murali Sudileti
- Department of ChemistrySri Venkateswara University Tirupati India
| | | | - Vedasree Nalluri
- Department of Bio‐ChemistrySri Venkateswara University Tirupati India
| | - Apparao Chippada
- Department of Bio‐ChemistrySri Venkateswara University Tirupati India
| | - Suresh R. Cirandur
- Department of ChemistrySri Venkateswara University Tirupati India
- Institute of Food Security and Sustainable AgricultureUniversiti Malaysia Kelantan Kampus Jeli Jeli Malaysia
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14
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Azarifar D, Abbasi Y, Jaymand M, Zolfigol MA, Ghaemi M, Badalkhani O. Fe3-xTixO4-supported sulfamic acid nanoparticles: New magnetic nanocatalyst for the synthesis of hexahydroquinolines. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.05.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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15
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Agnello S, Brand M, Chellat MF, Gazzola S, Riedl R. A Structural View on Medicinal Chemistry Strategies against Drug Resistance. Angew Chem Int Ed Engl 2019; 58:3300-3345. [PMID: 29846032 DOI: 10.1002/anie.201802416] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/24/2018] [Indexed: 12/31/2022]
Abstract
The natural phenomenon of drug resistance is a widespread issue that hampers the performance of drugs in many major clinical indications. Antibacterial and antifungal drugs are affected, as well as compounds for the treatment of cancer, viral infections, or parasitic diseases. Despite the very diverse set of biological targets and organisms involved in the development of drug resistance, the underlying molecular mechanisms have been identified to understand the emergence of resistance and to overcome this detrimental process. Detailed structural information on the root causes for drug resistance is nowadays frequently available, so next-generation drugs can be designed that are anticipated to suffer less from resistance. This knowledge-based approach is essential for fighting the inevitable occurrence of drug resistance.
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Affiliation(s)
- Stefano Agnello
- Institute of Chemistry and Biotechnology, Center for Organic and Medicinal Chemistry, Zurich University of Applied Sciences (ZHAW), Einsiedlerstrasse 31, 8820, Wädenswil, Switzerland
| | - Michael Brand
- Institute of Chemistry and Biotechnology, Center for Organic and Medicinal Chemistry, Zurich University of Applied Sciences (ZHAW), Einsiedlerstrasse 31, 8820, Wädenswil, Switzerland
| | - Mathieu F Chellat
- Institute of Chemistry and Biotechnology, Center for Organic and Medicinal Chemistry, Zurich University of Applied Sciences (ZHAW), Einsiedlerstrasse 31, 8820, Wädenswil, Switzerland
| | - Silvia Gazzola
- Institute of Chemistry and Biotechnology, Center for Organic and Medicinal Chemistry, Zurich University of Applied Sciences (ZHAW), Einsiedlerstrasse 31, 8820, Wädenswil, Switzerland
| | - Rainer Riedl
- Institute of Chemistry and Biotechnology, Center for Organic and Medicinal Chemistry, Zurich University of Applied Sciences (ZHAW), Einsiedlerstrasse 31, 8820, Wädenswil, Switzerland
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16
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Agnello S, Brand M, Chellat MF, Gazzola S, Riedl R. Eine strukturelle Evaluierung medizinalchemischer Strategien gegen Wirkstoffresistenzen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201802416] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Stefano Agnello
- Institut für Chemie und Biotechnologie; FS Organische Chemie und Medizinalchemie; Zürcher Hochschule für Angewandte Wissenschaften (ZHAW); Einsiedlerstrasse 31 CH-8820 Wädenswil Schweiz
| | - Michael Brand
- Institut für Chemie und Biotechnologie; FS Organische Chemie und Medizinalchemie; Zürcher Hochschule für Angewandte Wissenschaften (ZHAW); Einsiedlerstrasse 31 CH-8820 Wädenswil Schweiz
| | - Mathieu F. Chellat
- Institut für Chemie und Biotechnologie; FS Organische Chemie und Medizinalchemie; Zürcher Hochschule für Angewandte Wissenschaften (ZHAW); Einsiedlerstrasse 31 CH-8820 Wädenswil Schweiz
| | - Silvia Gazzola
- Institut für Chemie und Biotechnologie; FS Organische Chemie und Medizinalchemie; Zürcher Hochschule für Angewandte Wissenschaften (ZHAW); Einsiedlerstrasse 31 CH-8820 Wädenswil Schweiz
| | - Rainer Riedl
- Institut für Chemie und Biotechnologie; FS Organische Chemie und Medizinalchemie; Zürcher Hochschule für Angewandte Wissenschaften (ZHAW); Einsiedlerstrasse 31 CH-8820 Wädenswil Schweiz
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17
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Aguiar ACC, Murce E, Cortopassi WA, Pimentel AS, Almeida MMFS, Barros DCS, Guedes JS, Meneghetti MR, Krettli AU. Chloroquine analogs as antimalarial candidates with potent in vitro and in vivo activity. Int J Parasitol Drugs Drug Resist 2018; 8:459-464. [PMID: 30396013 PMCID: PMC6215995 DOI: 10.1016/j.ijpddr.2018.10.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 10/11/2018] [Accepted: 10/13/2018] [Indexed: 11/18/2022]
Abstract
In spite of recent efforts to eradicate malaria in the world, this parasitic disease is still considered a major public health problem, with a total of 216 million cases of malaria and 445,000 deaths in 2016. Artemisinin-based combination therapies remain effective in most parts of the world, but recent cases of resistance in Southeast Asia have urged for novel approaches to treat malaria caused by Plasmodium falciparum. In this work, we present chloroquine analogs that exhibited high activity against sensitive and chloroquine-resistant P. falciparum blood parasites and were also active against P. berghei infected mice. Among the compounds tested, DAQ, a chloroquine analog with a more linear side chain, was shown to be the most active in vitro and in vivo, with low cytotoxicity, and therefore may serve as the basis for the development of more effective chloroquine analogs to aid malaria eradication.
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Affiliation(s)
- Anna C C Aguiar
- Centro de Pesquisas Rene Rachou, Laboratório de Malária, Belo Horizonte, Brazil
| | - Erika Murce
- Pontifical Catholic University of Rio de Janeiro, Department of Chemistry, Rio de Janeiro, Brazil
| | - Wilian A Cortopassi
- University of California, San Francisco, Department of Pharmaceutical Chemistry, USA.
| | - Andre S Pimentel
- Pontifical Catholic University of Rio de Janeiro, Department of Chemistry, Rio de Janeiro, Brazil
| | - Maria M F S Almeida
- Universidade Federal de Alagoas, Instituto de Química e Biotecnologia, Maceió, Brazil
| | - Daniele C S Barros
- Universidade Federal de Alagoas, Instituto de Química e Biotecnologia, Maceió, Brazil
| | - Jéssica S Guedes
- Universidade Federal de Alagoas, Instituto de Química e Biotecnologia, Maceió, Brazil
| | - Mario R Meneghetti
- Universidade Federal de Alagoas, Instituto de Química e Biotecnologia, Maceió, Brazil
| | - Antoniana U Krettli
- Centro de Pesquisas Rene Rachou, Laboratório de Malária, Belo Horizonte, Brazil
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18
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N-Substituted aminoquinoline-pyrimidine hybrids: Synthesis, in vitro antimalarial activity evaluation and docking studies. Eur J Med Chem 2018; 162:277-289. [PMID: 30448417 DOI: 10.1016/j.ejmech.2018.11.021] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 11/06/2018] [Accepted: 11/08/2018] [Indexed: 12/13/2022]
Abstract
A series of novel molecular hybrids based on 4-aminoquinoline-pyrimidine were synthesized and examined for their antimalarial activity. Most of the compounds were found to have potent in vitro antimalarial activity against both CQ-sensitive D6 and CQ-resistant W2 strains of P. falciparum. The active compounds have no considerable cytotoxicity against the mammalian VERO cell lines. Twenty three compounds displayed better antimalarial activity against CQ-resistant strain W2 with IC50 values in the range 0.0189-0.945 μM, when compared with standard drug chloroquine. The best active compound 7d was studied for heme binding so as to find the primary mode of action of these hybrid molecules. Compound 7d was found to form a stable 1:1 complex with hematin as determined by its Job's plot which suggests that heme may be a probable target of these molecules. Docking studies performed with Pf-DHFR exhibited good binding interactions in the active site. The pharmacokinetic properties of some active compounds were also analysed using ADMET prediction.
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19
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Chanquia SN, Larregui F, Puente V, Labriola C, Lombardo E, García Liñares G. Synthesis and biological evaluation of new quinoline derivatives as antileishmanial and antitrypanosomal agents. Bioorg Chem 2018; 83:526-534. [PMID: 30469145 DOI: 10.1016/j.bioorg.2018.10.053] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 10/25/2018] [Accepted: 10/26/2018] [Indexed: 10/28/2022]
Abstract
As a part of our project aimed at developing new safe chemotherapeutic agents against tropical diseases, a series of aryl derivatives of 2- and 3-aminoquinoline, some of them new compounds, was designed, synthesized, and evaluated as antiproliferative agents against Trypanosoma cruzi, the parasite responsible for American trypanosomiasis (Chagas' disease), and Leishmania mexicana, the etiological agent of Leishmaniasis. Some of them showed a remarkable activity as parasite growth inhibitors. Fluorine-containing derivatives 11b and 11c were more than twice more potent than geneticin against intracellular promastigote form of Leishmania mexicana exhibiting both IC50 values of 41.9 μM. The IC50 values corresponding to fluorine and chlorine derivatives 11b-d were in the same order than benznidazole against epimastigote form. These drugs are interesting examples of effective antiparasitic agents with outstanding potential not only as lead drugs but also to be used for further in vivo studies. In addition, the obtained compounds showed no toxicity in Vero cells, which makes them good candidates to control tropical diseases. Regarding the probable mode of action, assayed quinoline derivatives interacted with hemin, inhibiting its degradation and generating oxidative stress that is not counteracted by the antioxidant defense system of the parasite.
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Affiliation(s)
- Santiago N Chanquia
- Laboratorio de Biocatálisis. Departamento de Química Orgánica y UMYMFOR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, piso 3, C1428EGA Buenos Aires, Argentina
| | - Facundo Larregui
- Laboratorio de Biocatálisis. Departamento de Química Orgánica y UMYMFOR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, piso 3, C1428EGA Buenos Aires, Argentina
| | - Vanesa Puente
- Centro de Investigaciones sobre Porfirias y Porfirinas (CIPYP, UBA-CONICET), Hospital de Clínicas José de San Martín, Avenida Córdoba 2351, 1120 Buenos Aires, Argentina
| | - Carlos Labriola
- Instituto de Investigaciones Bioquímicas, Av. Patricias Argentinas 435, C1405BWE Buenos Aires, Argentina
| | - Elisa Lombardo
- Centro de Investigaciones sobre Porfirias y Porfirinas (CIPYP, UBA-CONICET), Hospital de Clínicas José de San Martín, Avenida Córdoba 2351, 1120 Buenos Aires, Argentina.
| | - Guadalupe García Liñares
- Laboratorio de Biocatálisis. Departamento de Química Orgánica y UMYMFOR, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 2, piso 3, C1428EGA Buenos Aires, Argentina.
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20
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Rocha DA, Silva EB, Fortes IS, Lopes MS, Ferreira RS, Andrade SF. Synthesis and structure-activity relationship studies of cruzain and rhodesain inhibitors. Eur J Med Chem 2018; 157:1426-1459. [DOI: 10.1016/j.ejmech.2018.08.079] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 08/13/2018] [Accepted: 08/27/2018] [Indexed: 12/27/2022]
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21
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Adamantane amine-linked chloroquinoline derivatives as chloroquine resistance modulating agents in Plasmodium falciparum. Bioorg Med Chem Lett 2018; 28:1287-1291. [DOI: 10.1016/j.bmcl.2018.03.026] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/09/2018] [Accepted: 03/10/2018] [Indexed: 12/27/2022]
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22
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Fielding AJ, Lukinović V, Evans PG, Alizadeh-Shekalgourabi S, Bisby RH, Drew MGB, Male V, Del Casino A, Dunn JF, Randle LE, Dempster NM, Nahar L, Sarker SD, Cantú Reinhard FG, de Visser SP, Dascombe MJ, Ismail FMD. Modulation of Antimalarial Activity at a Putative Bisquinoline Receptor In Vivo Using Fluorinated Bisquinolines. Chemistry 2017; 23:6811-6828. [DOI: 10.1002/chem.201605099] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Indexed: 12/18/2022]
Affiliation(s)
- Alistair J. Fielding
- School of Chemistry and the Photon Science Institute; The University of Manchester; Manchester M13 9PL UK
| | - Valentina Lukinović
- School of Chemistry and the Photon Science Institute; The University of Manchester; Manchester M13 9PL UK
| | - Philip G. Evans
- Peakdale Molecular Limited; Discovery Park, Sandwich Kent CT13 9FF UK
| | | | - Roger H. Bisby
- Biomedical Sciences Research Institute; University of Salford; Salford M5 4WT UK
| | - Michael G. B. Drew
- School of Chemistry; The University of Reading, Whiteknights; Reading RG6 6AD UK
| | - Verity Male
- School of Chemistry; The University of Reading, Whiteknights; Reading RG6 6AD UK
| | - Alessio Del Casino
- Medicinal Chemistry and Natural Products Research Group; School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Byrom Street Liverpool L3 3AF UK
| | - James F. Dunn
- Medicinal Chemistry and Natural Products Research Group; School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Byrom Street Liverpool L3 3AF UK
| | - Laura E. Randle
- Medicinal Chemistry and Natural Products Research Group; School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Byrom Street Liverpool L3 3AF UK
| | - Nicola M. Dempster
- Medicinal Chemistry and Natural Products Research Group; School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Byrom Street Liverpool L3 3AF UK
| | - Lutfun Nahar
- Medicinal Chemistry and Natural Products Research Group; School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Byrom Street Liverpool L3 3AF UK
| | - Satyajit D. Sarker
- Medicinal Chemistry and Natural Products Research Group; School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Byrom Street Liverpool L3 3AF UK
| | - Fabián G. Cantú Reinhard
- Manchester Institute of Biotechnology; School of Chemical Engineering and Analytical Science; The University of Manchester; 131 Princess Street Manchester M1 7DN UK
| | - Sam P. de Visser
- Manchester Institute of Biotechnology; School of Chemical Engineering and Analytical Science; The University of Manchester; 131 Princess Street Manchester M1 7DN UK
| | - Mike J. Dascombe
- Faculty of Biology, Medicine and Health, Stopford Building 1.124; The University of Manchester; Oxford Road Manchester M13 9PT UK
| | - Fyaz M. D. Ismail
- Medicinal Chemistry and Natural Products Research Group; School of Pharmacy and Biomolecular Sciences; Liverpool John Moores University; Byrom Street Liverpool L3 3AF UK
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23
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Shiri M, Fathollahi-Lahroud M, Yasaei Z. A novel strategy for the synthesis of 6H-chromeno [4, 3-b] quinoline by intramolecular Heck cyclization. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.03.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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Braga SFP, Martins LC, da Silva EB, Sales Júnior PA, Murta SMF, Romanha AJ, Soh WT, Brandstetter H, Ferreira RS, de Oliveira RB. Synthesis and biological evaluation of potential inhibitors of the cysteine proteases cruzain and rhodesain designed by molecular simplification. Bioorg Med Chem 2017; 25:1889-1900. [DOI: 10.1016/j.bmc.2017.02.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 01/31/2017] [Accepted: 02/06/2017] [Indexed: 10/20/2022]
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25
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Bhupathi RS, Bandi M, Ch. VRR, Rama Devi B, Dubey P. Green and Efficient Synthesis of 4-Heteryl-Quinolines and Their Antibacterial Evaluations. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2698] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Raja S. Bhupathi
- Department of Chemistry, College of Engineering; Jawaharlal Nehru Technological University Hyderabad; Kukatpally Hyderabad Telangana 500 085 India
| | - Madhu Bandi
- Department of Chemistry, College of Engineering; Jawaharlal Nehru Technological University Hyderabad; Kukatpally Hyderabad Telangana 500 085 India
- Jawaharlal Nehru Technological University; Kakinada Andhra Pradesh India
| | - Venkata Ramana Reddy Ch.
- Department of Chemistry, College of Engineering; Jawaharlal Nehru Technological University Hyderabad; Kukatpally Hyderabad Telangana 500 085 India
| | - B. Rama Devi
- Department of Chemistry, College of Engineering; Jawaharlal Nehru Technological University Hyderabad; Kukatpally Hyderabad Telangana 500 085 India
| | - P.K. Dubey
- Department of Chemistry, College of Engineering; Jawaharlal Nehru Technological University Hyderabad; Kukatpally Hyderabad Telangana 500 085 India
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26
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Synthesis and Evaluation of Chirally Defined Side Chain Variants of 7-Chloro-4-Aminoquinoline To Overcome Drug Resistance in Malaria Chemotherapy. Antimicrob Agents Chemother 2017; 61:AAC.01152-16. [PMID: 27956423 DOI: 10.1128/aac.01152-16] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 11/20/2016] [Indexed: 11/20/2022] Open
Abstract
A novel 4-aminoquinoline derivative [(S)-7-chloro-N-(4-methyl-1-(4-methylpiperazin-1-yl)pentan-2-yl)-quinolin-4-amine triphosphate] exhibiting curative activity against chloroquine-resistant malaria parasites has been identified for preclinical development as a blood schizonticidal agent. The lead molecule selected after detailed structure-activity relationship (SAR) studies has good solid-state properties and promising activity against in vitro and in vivo experimental malaria models. The in vitro absorption, distribution, metabolism, and excretion (ADME) parameters indicate a favorable drug-like profile.
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27
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Maurya SS, Khan SI, Bahuguna A, Kumar D, Rawat DS. Synthesis, antimalarial activity, heme binding and docking studies of N-substituted 4-aminoquinoline-pyrimidine molecular hybrids. Eur J Med Chem 2017; 129:175-185. [PMID: 28222317 DOI: 10.1016/j.ejmech.2017.02.024] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 01/28/2017] [Accepted: 02/10/2017] [Indexed: 10/20/2022]
Abstract
A series of novel N-substituted 4-aminoquinoline-pyrimidine hybrids have been synthesized via simple and economic route and evaluated for their antimalarial activity. Most compounds showed potent antimalarial activity against both CQ-sensitive and CQ-resistant strains with high selectivity index. All the compounds were found to be non-toxic to the mammalian cell lines. The most active compound 7b was analysed for heme binding activity using UV-spectrophotometer. Compound was found to interact with heme and a complex formation between compound and heme in a 1:1 stoichiometry ratio was determined using job plots. The interaction of these hybrids was also investigated by the molecular docking studies in the binding site of wild type Pf-DHFR-TS and quadruple mutant Pf-DHFR-TS. The pharmacokinetic property analysis of best active compounds was also studied by ADMET prediction.
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Affiliation(s)
| | - Shabana I Khan
- National Centre for Natural Products Research, University of Mississippi, MS 38677, USA
| | - Aparna Bahuguna
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Deepak Kumar
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Diwan S Rawat
- Department of Chemistry, University of Delhi, Delhi 110007, India.
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28
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Kaewmee B, Rukachaisirikul V, Kaeobamrung J. Synthesis of quinolines via copper-catalyzed domino reactions of enaminones. Org Biomol Chem 2017; 15:7387-7395. [DOI: 10.1039/c7ob01867c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Enaminones showcase synthetic utility for the synthesis of quinoline derivatives via copper-catalyzed domino reactions involving C–N bond formation, aldol reaction and dehydration.
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Affiliation(s)
- Benyapa Kaewmee
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Prince of Songkla University
- Songkhla 90112
- Thailand
| | - Vatcharin Rukachaisirikul
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Prince of Songkla University
- Songkhla 90112
- Thailand
| | - Juthanat Kaeobamrung
- Department of Chemistry and Center of Excellence for Innovation in Chemistry
- Prince of Songkla University
- Songkhla 90112
- Thailand
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29
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Edaye S, Tazoo D, Bohle DS, Georges E. 3-Iodo-4-aminoquinoline derivative sensitises resistant strains of Plasmodium falciparum to chloroquine. Int J Antimicrob Agents 2016; 47:482-5. [PMID: 27211211 DOI: 10.1016/j.ijantimicag.2016.03.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Revised: 03/16/2016] [Accepted: 03/23/2016] [Indexed: 10/21/2022]
Abstract
Chloroquine (CQ), the first cost-effective synthetic antimalarial, is rendered ineffective in malaria-endemic regions owing to the rise and spread of CQ-resistant Plasmodium falciparum. In this report, we show that a halogen derivative of CQ, namely 3-iodo-CQ, inhibits the proliferation of CQ-sensitive and -resistant P. falciparum in a verapamil-insensitive manner. Similar to CQ, the antimalarial activity of 3-iodo-CQ is likely due to its inhibition of β-haematin formation. Interestingly, the presence of non-inhibitory concentrations of 3-iodo-CQ potentiated the antiproliferative activity of CQ against CQ-resistant strains or P. falciparum transfectants expressing wild-type or mutant P. falciparum CQ resistance transporter (PfCRT) (C2(GC03) or C4(Dd2), respectively). These findings demonstrate that halogenation of the third position of 4-aminoquinoline, with a simple one-step reaction from CQ, generates a novel derivative that is active against CQ-sensitive and -resistant P. falciparum, possibly by inhibiting the activity of mutant PfCRT.
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Affiliation(s)
- Sonia Edaye
- Institute of Parasitology, Macdonald Campus, McGill University, Sainte-Anne-de-Bellevue, Quebec H9X 3V9, Canada
| | - Dagobert Tazoo
- Department of Chemistry, McGill University, Quebec, Canada
| | - D Scott Bohle
- Department of Chemistry, McGill University, Quebec, Canada
| | - Elias Georges
- Institute of Parasitology, Macdonald Campus, McGill University, Sainte-Anne-de-Bellevue, Quebec H9X 3V9, Canada.
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30
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Madrid PB, Wilson NT, DeRisi JL, Guy RK. Parallel synthesis and antimalarial screening of a 4-aminoquinoline library. ACTA ACUST UNITED AC 2016; 6:437-42. [PMID: 15132606 PMCID: PMC1467020 DOI: 10.1021/cc0340473] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Due to growing problems with drug resistance, there is an outstanding need for new, cost-effective drugs for the treatment of malaria. The 4-aminoquinolines have provided a number of useful antimalarials, and Plasmodium falciparum, the causative organism for the most deadly form of human malaria, is generally slow to develop resistance to these drugs. Therefore, diverse screening libraries of quinolines continue to be useful for antimalarial drug discovery. We report herein the development of an efficient method for producing libraries of 4-aminoquinolines variant in the side chain portion of the molecule. The effects of these substitutions were evaluated by screening this library for activity against P. falciparum, revealing four potent compounds active against drug-resistant strains.
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Affiliation(s)
- Peter B Madrid
- Department of Pharmaceutical Chemistry, University of California, San Francisco, California 94143-2280, USA
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31
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Srinivasarao K, Agarwal P, Srivastava K, Haq W, Puri SK, Katti SB. Design, synthesis, and in vitro antiplasmodial activity of 4-aminoquinolines containing modified amino acid conjugates. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1555-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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32
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Kondaparla S, Soni A, Manhas A, Srivastava K, Puri SK, Katti SB. Synthesis and antimalarial activity of new 4-aminoquinolines active against drug resistant strains. RSC Adv 2016. [DOI: 10.1039/c6ra14016e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In the present study we have synthesized a new class of 4-aminoquinoline derivatives and bioevaluated them for antimalarial activity against theP. falciparum in vitro(3D7 & K1) andP. yoelii in vivo(N-67 strain).
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Affiliation(s)
- Srinivasarao Kondaparla
- Medicinal & Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Awakash Soni
- Parasitology Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Ashan Manhas
- Parasitology Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Kumkum Srivastava
- Parasitology Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Sunil K. Puri
- Parasitology Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - S. B. Katti
- Medicinal & Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
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33
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Terzić N, Konstantinović J, Tot M, Burojević J, Djurković-Djaković O, Srbljanović J, Štajner T, Verbić T, Zlatović M, Machado M, Albuquerque IS, Prudêncio M, Sciotti RJ, Pecic S, D'Alessandro S, Taramelli D, Šolaja BA. Reinvestigating Old Pharmacophores: Are 4-Aminoquinolines and Tetraoxanes Potential Two-Stage Antimalarials? J Med Chem 2015; 59:264-81. [PMID: 26640981 DOI: 10.1021/acs.jmedchem.5b01374] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The syntheses and antiplasmodial activities of various substituted aminoquinolines coupled to an adamantane carrier are described. The compounds exhibited pronounced in vitro and in vivo activity against Plasmodium berghei in the Thompson test. Tethering a fluorine atom to the aminoquinoline C(3) position afforded fluoroaminoquinolines that act as intrahepatocytic parasite inhibitors, with compound 25 having an IC50 = 0.31 μM and reducing the liver load in mice by up to 92% at 80 mg/kg dose. Screening our peroxides as inhibitors of liver stage infection revealed that the tetraoxane pharmacophore itself is also an excellent liver stage P. berghei inhibitor (78: IC50 = 0.33 μM). Up to 91% reduction of the parasite liver load in mice was achieved at 100 mg/kg. Examination of tetraoxane 78 against the transgenic 3D7 strain expressing luciferase under a gametocyte-specific promoter revealed its activity against stage IV-V Plasmodium falciparum gametocytes (IC50 = 1.16 ± 0.37 μM). To the best of our knowledge, compounds 25 and 78 are the first examples of either an 4-aminoquinoline or a tetraoxane liver stage inhibitors.
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Affiliation(s)
- Natasa Terzić
- Institute of Chemistry, Technology, and Metallurgy , 11000 Belgrade, Serbia
| | - Jelena Konstantinović
- Faculty of Chemistry, University of Belgrade , Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
| | - Mikloš Tot
- Faculty of Chemistry, University of Belgrade , Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
| | - Jovana Burojević
- Faculty of Chemistry, University of Belgrade , Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
| | | | - Jelena Srbljanović
- Institute for Medical Research, University of Belgrade , Dr. Subotića 4, 11129 Belgrade, Serbia
| | - Tijana Štajner
- Institute for Medical Research, University of Belgrade , Dr. Subotića 4, 11129 Belgrade, Serbia
| | - Tatjana Verbić
- Faculty of Chemistry, University of Belgrade , Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
| | - Mario Zlatović
- Faculty of Chemistry, University of Belgrade , Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
| | - Marta Machado
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , 1649-028 Lisboa, Portugal
| | - Inês S Albuquerque
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , 1649-028 Lisboa, Portugal
| | - Miguel Prudêncio
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa , 1649-028 Lisboa, Portugal
| | - Richard J Sciotti
- Experimental Therapeutics Branch, Walter Reed Army Institute of Research , Silver Spring, Maryland 20910, United States
| | - Stevan Pecic
- Division of Experimental Therapeutics, Department of Medicine, Columbia University , New York, New York 10032, United States
| | - Sarah D'Alessandro
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano , 20133 Milan, Italy
| | - Donatella Taramelli
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano , 20133 Milan, Italy
| | - Bogdan A Šolaja
- Faculty of Chemistry, University of Belgrade , Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
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In vitro antiplasmodial activity of triazole-linked chloroquinoline derivatives synthesized from 7-chloro-N-(prop-2-yn-1-yl)quinolin-4-amine. Bioorg Med Chem 2015; 23:4163-4171. [DOI: 10.1016/j.bmc.2015.06.044] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 06/10/2015] [Accepted: 06/20/2015] [Indexed: 11/19/2022]
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Ongarora DSB, Strydom N, Wicht K, Njoroge M, Wiesner L, Egan TJ, Wittlin S, Jurva U, Masimirembwa CM, Chibale K. Antimalarial benzoheterocyclic 4-aminoquinolines: Structure-activity relationship, in vivo evaluation, mechanistic and bioactivation studies. Bioorg Med Chem 2015; 23:5419-32. [PMID: 26264839 DOI: 10.1016/j.bmc.2015.07.051] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 07/15/2015] [Accepted: 07/25/2015] [Indexed: 10/23/2022]
Abstract
A novel class of benzoheterocyclic analogues of amodiaquine designed to avoid toxic reactive metabolite formation was synthesized and evaluated for antiplasmodial activity against K1 (multidrug resistant) and NF54 (sensitive) strains of the malaria parasite Plasmodium falciparum. Structure-activity relationship studies led to the identification of highly promising analogues, the most potent of which had IC50s in the nanomolar range against both strains. The compounds further demonstrated good in vitro microsomal metabolic stability while those subjected to in vivo pharmacokinetic studies had desirable pharmacokinetic profiles. In vivo antimalarial efficacy in Plasmodium berghei infected mice was evaluated for four compounds, all of which showed good activity following oral administration. In particular, compound 19 completely cured treated mice at a low multiple dose of 4×10mg/kg. Mechanistic and bioactivation studies suggest hemozoin formation inhibition and a low likelihood of forming quinone-imine reactive metabolites, respectively.
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Affiliation(s)
- Dennis S B Ongarora
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa; South African Medical Research Council Drug Discovery and Development Research Unit, University of Cape Town, Rondebosch 7701, South Africa; Department of Pharmaceutical Chemistry, University of Nairobi, Nairobi, Kenya
| | - Natasha Strydom
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
| | - Kathryn Wicht
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
| | - Mathew Njoroge
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa; South African Medical Research Council Drug Discovery and Development Research Unit, University of Cape Town, Rondebosch 7701, South Africa
| | - Lubbe Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory 7925, South Africa
| | - Timothy J Egan
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
| | - Sergio Wittlin
- Swiss Tropical and Public Health Institute, Socinstrasse 57, 4002 Basel, Switzerland; University of Basel, Socinstrasse 57, 4002 Basel, Switzerland
| | | | | | - Kelly Chibale
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa; Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa; South African Medical Research Council Drug Discovery and Development Research Unit, University of Cape Town, Rondebosch 7701, South Africa.
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Tasso B, Novelli F, Tonelli M, Barteselli A, Basilico N, Parapini S, Taramelli D, Sparatore A, Sparatore F. Synthesis and Antiplasmodial Activity of Novel Chloroquine Analogues with Bulky Basic Side Chains. ChemMedChem 2015. [PMID: 26213237 DOI: 10.1002/cmdc.201500195] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Chloroquine is commonly used in the treatment and prevention of malaria, but Plasmodium falciparum, the main species responsible for malaria-related deaths, has developed resistance against this drug. Twenty-seven novel chloroquine (CQ) analogues characterized by a side chain terminated with a bulky basic head group, i.e., octahydro-2H-quinolizine and 1,2,3,4,5,6-hexahydro-1,5-methano-8H-pyrido[1,2-a][1,5]diazocin-8-one, were synthesized and tested for activity against D-10 (CQ-susceptible) and W-2 (CQ-resistant) strains of P. falciparum. Most compounds were found to be active against both strains with nanomolar or sub-micromolar IC50 values. Eleven compounds were found to be 2.7- to 13.4-fold more potent than CQ against the W-2 strain; among them, four cytisine derivatives appear to be of particular interest, as they combine high potency with low cytotoxicity against two human cell lines (HMEC-1 and HepG2) along with easier synthetic accessibility. Replacement of the 4-NH group with a sulfur bridge maintained antiplasmodial activity at a lower level, but produced an improvement in the resistance factor. These compounds warrant further investigation as potential drugs for use in the fight against malaria.
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Affiliation(s)
- Bruno Tasso
- Dipartimento di Farmacia, Università degli Studi di Genova, Viale Benedetto XV 3, 16131 Genova (Italy).
| | - Federica Novelli
- Dipartimento di Farmacia, Università degli Studi di Genova, Viale Benedetto XV 3, 16131 Genova (Italy)
| | - Michele Tonelli
- Dipartimento di Farmacia, Università degli Studi di Genova, Viale Benedetto XV 3, 16131 Genova (Italy)
| | - Anna Barteselli
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano via Mangiagalli 25, 20133 Milano (Italy)
| | - Nicoletta Basilico
- Dipartimento di Scienze Biomediche, Chirurgiche e Odontoiatriche, Università degli Studi di Milano via C. Pascal 36, 20133 Milano (Italy)
| | - Silvia Parapini
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano via C. Pascal, 36, 20133 Milano (Italy)
| | - Donatella Taramelli
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano via C. Pascal, 36, 20133 Milano (Italy)
| | - Anna Sparatore
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Milano via Mangiagalli 25, 20133 Milano (Italy)
| | - Fabio Sparatore
- Dipartimento di Farmacia, Università degli Studi di Genova, Viale Benedetto XV 3, 16131 Genova (Italy)
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Singla P, Luxami V, Paul K. Triazine as a promising scaffold for its versatile biological behavior. Eur J Med Chem 2015; 102:39-57. [PMID: 26241876 DOI: 10.1016/j.ejmech.2015.07.037] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 07/19/2015] [Accepted: 07/20/2015] [Indexed: 12/19/2022]
Abstract
Among all heterocycles, the triazine scaffold occupies a prominent position, possessing a broad range of biological activities. Triazine is found in many potent biologically active molecules with promising biological potential like anti-inflammatory, anti-mycobacterial, anti-viral, anti-cancer etc. which makes it an attractive scaffold for the design and development of new drugs. The wide spectrum of biological activity of this moiety has attracted attention in the field of medicinal chemistry. Due to these biological activities, their structure-activity relationship has generated interest among medicinal chemists and this has culminated in the discovery of several lead molecules. The outstanding development of triazine derivatives in diverse diseases within very short span of time proves its magnitude for medicinal chemistry research. Therefore, these compounds have been synthesized as target structure by many researchers, and were further evaluated for their biological activities. In this review, we have compiled and discussed the biological potential of s-triazine derivatives, which could provide a low-height flying bird's eye view of the triazine derived compounds to a medicinal chemist, for a comprehensive and target oriented information for the development of clinically viable drugs.
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Affiliation(s)
- Prinka Singla
- School of Chemistry and Biochemistry, Thapar University, Patiala 147004, India
| | - Vijay Luxami
- School of Chemistry and Biochemistry, Thapar University, Patiala 147004, India
| | - Kamaldeep Paul
- School of Chemistry and Biochemistry, Thapar University, Patiala 147004, India.
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Njaria PM, Okombo J, Njuguna NM, Chibale K. Chloroquine-containing compounds: a patent review (2010 - 2014). Expert Opin Ther Pat 2015; 25:1003-24. [PMID: 26013494 PMCID: PMC7103710 DOI: 10.1517/13543776.2015.1050791] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
INTRODUCTION Chloroquine (CQ) has been well known for its antimalarial effects since World War II. However, it is gradually being phased out from clinical use against malaria due to emergence of CQ-resistant Plasmodium falciparum strains. Besides low cost and tolerability, ongoing research has revealed interesting biochemical properties of CQ that have inspired its repurposing/repositioning in the management of various infectious/noninfectious diseases. Consequently, several novel compounds and compositions based on its scaffold have been studied and patented. AREAS COVERED In this review, patents describing CQ and its derivatives/compositions over the last 5 years are analyzed. The review highlights the rationale, chemical structures, biological evaluation and potential therapeutic application of CQ, its derivatives and compositions. EXPERT OPINION Repurposing efforts have dominantly focused on racemic CQ with no studies exploring the effect of the (R) and (S) enantiomers, which might potentially have additional benefits in other diseases. Additionally, evaluating other similarly acting antimalarials in clinical use and structural analogs could help maximize the intrinsic value of the 4-aminoquinolines. With regard to cancer therapy, successful repurposing of CQ-containing compounds will require linking the mode of action of these antimalarials with the signaling pathways that drive cancer cell proliferation to facilitate the development of a 4-amino-7-chloroquinoline that can be used as a synergistic partner in anticancer combination chemotherapy.
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Affiliation(s)
- Paul M Njaria
- a 1 University of Cape Town, Department of Chemistry , Rondebosch 7701, South Africa
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de Souza NB, Carmo AML, da Silva AD, França TCC, Krettli AU. Antiplasmodial activity of chloroquine analogs against chloroquine-resistant parasites, docking studies and mechanisms of drug action. Malar J 2014; 13:469. [PMID: 25440372 PMCID: PMC4265395 DOI: 10.1186/1475-2875-13-469] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Accepted: 11/04/2014] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Given the threat of resistance of human malaria parasites, including to artemisinin derivatives, new agents are needed. Chloroquine (CQ) has been the most widely used anti-malarial, and new analogs (CQAns) presenting alkynes and side chain variations with high antiplasmodial activity were evaluated. METHODS Six diaminealkyne and diaminedialkyne CQAns were evaluated against CQ-resistant (CQ-R) (W2) and CQ-sensitive (CQ-S) (3D7) Plasmodium falciparum parasites in culture. Drug cytotoxicity to a human hepatoma cell line (HepG2) evaluated, allowed to calculate the drug selectivity index (SI), a ratio of drug toxicity to activity in vitro. The CQAns were re-evaluated against CQ-resistant and -sensitive P. berghei parasites in mice using the suppressive test. Docking studies with the CQAns and the human (HssLDH) or plasmodial lactate dehydrogenase (PfLDH) enzymes, and, a β-haematin formation assay were performed using a lipid as a catalyst to promote crystallization in vitro. RESULTS All tested CQAns were highly active against CQ-R P. falciparum parasites, exhibiting half-maximal inhibitory concentration (IC(50)) values below 1 μΜ. CQAn33 and CQAn37 had the highest SIs. Docking studies revealed the best conformation of CQAn33 inside the binding pocket of PfLDH; specificity between the residues involved in H-bonds of the PfLDH with CQAn37. CQAn33 and CQAn37 were also shown to be weak inhibitors of PfLDH. CQAn33 and CQAn37 inhibited β-haematin formation with either a similar or a 2-fold higher IC(50) value, respectively, compared with CQ. CQAn37 was active in mice with P. berghei, reducing parasitaemia by 100%. CQAn33, -39 and -45 also inhibited CQ-resistant P. berghei parasites in mice, whereas high doses of CQ were inactive. CONCLUSIONS The presence of an alkyne group and the size of the side chain affected anti-P. falciparum activity in vitro. Docking studies suggested a mechanism of action other than PfLDH inhibition. The β-haematin assay suggested the presence of an additional mechanism of action of CQAn33 and CQAn37. Tests with CQAn34, CQAn37, CQAn39 and CQAn45 confirmed previous results against P. berghei malaria in mice, and CQAn33, 39 and 45 were active against CQ-resistant parasites, but CQAn28 and CQAn34 were not. The result likely reflects structure-activity relationships related to the resistant phenotype.
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Affiliation(s)
- Nicolli B de Souza
- />Centro de Pesquisas René Rachou, FIOCRUZ Minas, Av. Augusto de Lima 1715, Belo Horizonte, 30190-002 MG Brazil
| | - Arturene ML Carmo
- />Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer s/n, Juiz de Fora, 36036-900 MG Brazil
| | - Adilson D da Silva
- />Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer s/n, Juiz de Fora, 36036-900 MG Brazil
| | - Tanos CC França
- />Laboratório de Modelagem Molecular Aplicada à Defesa Química e Biológica, Instituto Militar de Engenharia, Praça General Tibúrcio 80, Rio de Janeiro, 22290-270 RJ Brazil
| | - Antoniana U Krettli
- />Centro de Pesquisas René Rachou, FIOCRUZ Minas, Av. Augusto de Lima 1715, Belo Horizonte, 30190-002 MG Brazil
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Teixeira C, Vale N, Pérez B, Gomes A, Gomes JRB, Gomes P. "Recycling" classical drugs for malaria. Chem Rev 2014; 114:11164-220. [PMID: 25329927 DOI: 10.1021/cr500123g] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Cátia Teixeira
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal.,CICECO, Departamento de Química, Universidade de Aveiro , P-3810-193 Aveiro, Portugal
| | - Nuno Vale
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
| | - Bianca Pérez
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
| | - Ana Gomes
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
| | - José R B Gomes
- CICECO, Departamento de Química, Universidade de Aveiro , P-3810-193 Aveiro, Portugal
| | - Paula Gomes
- Centro de Investigação em Química da Universidade do Porto, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto , P-4169-007 Porto, Portugal
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Pentacycloundecylamines and conjugates thereof as chemosensitizers and reversed chloroquine agents. Bioorg Med Chem Lett 2014; 24:5516-9. [PMID: 25451997 DOI: 10.1016/j.bmcl.2014.09.088] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 09/25/2014] [Accepted: 09/29/2014] [Indexed: 11/22/2022]
Abstract
The control of malaria has been complicated by increased resistance of the malaria parasite to existing antimalarials such as chloroquine (CQ). Herein, we report the ability of NGP1-01, the prototype pentacycloundecylamine (PCU), to reverse CQ resistance (>50%) and act as a chemosensitizer. Based on this finding we set out to synthesize a small series of novel agents comprising of a PCU moiety as the reversal agent conjugated to a CQ-like aminoquinoline (AM) molecule and evaluate the potential of these PCU-AM derivatives as reversed CQ agents. PCU-AM derivatives 1-3 showed anti-plasmodial IC50 values in the ranges of 3.74-17.6 nM and 27.6-253.5 nM against CQ-sensitive (D10) and CQ-resistant strains (Dd2) of Plasmodium falciparum, respectively. Compound 1 presented with the best antiplasmodial activity at low nM concentrations against both strains and was found to be 5 fold more active against the resistant strain than CQ. Compound 1 can be considered as a lead compound to develop reversed CQ agents with improved pharmacodynamic and pharmacokinetic properties.
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β-amino-alcohol tethered 4-aminoquinoline-isatin conjugates: synthesis and antimalarial evaluation. Eur J Med Chem 2014; 84:566-73. [PMID: 25062007 PMCID: PMC7115587 DOI: 10.1016/j.ejmech.2014.07.064] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 07/16/2014] [Accepted: 07/19/2014] [Indexed: 11/25/2022]
Abstract
A series of β-amino alcohol tethered 4-aminoquinoline-isatin conjugates were synthesized with the aim of probing their antimalarial structure activity relationship. Two of the most active conjugates (11b and 11f) exhibited antimalarial efficacy comparable to that of chloroquine, with IC50 values of 11.8 and 13.5 nM, respectively against chloroquine resistant W2 strain of Plasmodium falciparum and are devoid of any cytotoxicity. Synthesis of β-amino alcohol tethered isatin 4-aminoquinoline conjugates. Antimalarial evaluation against W2 strains of Plasmodium falciparum. Most active and non-cytotoxic conjugate exhibited an IC50 11.7 nM.
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Sinha M, Dola VR, Agarwal P, Srivastava K, Haq W, Puri SK, Katti SB. Antiplasmodial activity of new 4-aminoquinoline derivatives against chloroquine resistant strain. Bioorg Med Chem 2014; 22:3573-86. [PMID: 24906512 DOI: 10.1016/j.bmc.2014.05.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Revised: 05/12/2014] [Accepted: 05/12/2014] [Indexed: 10/25/2022]
Abstract
Emergence and spread of multidrug resistant strains of Plasmodium falciparum has severely limited the antimalarial chemotherapeutic options. In order to overcome the obstacle, a set of new side-chain modified 4-aminoquinolines were synthesized and screened against chloroquine-sensitive (3D7) and chloroquine-resistant (K1) strains of P. falciparum. The key feature of the designed molecules is the use of methylpiperazine linked α, β(3)- and γ-amino acids to generate novel side chain modified 4-aminoquinoline analogues. Among the evaluated compounds, 20c and 30 were found more potent than CQ against K1 and displayed a four-fold and a three-fold higher activity respectively, with a good selectivity index (SI=5846 and 11,350). All synthesized compounds had resistance index between 1.06 and >14.13 as against 47.2 for chloroquine. Biophysical studies suggested that this series of compounds act on heme polymerization target.
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Affiliation(s)
- Manish Sinha
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Vasanth R Dola
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Pooja Agarwal
- Parasitology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Kumkum Srivastava
- Parasitology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Wahajul Haq
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Sunil K Puri
- Parasitology Division, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Seturam B Katti
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow 226031, India.
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Abay ET, van der Westhuizen JH, Swart KJ, Gibhard L, Tukulula M, Chibale K, Wiesner L. The development and validation of an LC-MS/MS method for the determination of a new anti-malarial compound (TK900D) in human whole blood and its application to pharmacokinetic studies in mice. Malar J 2014; 13:42. [PMID: 24484513 PMCID: PMC3916804 DOI: 10.1186/1475-2875-13-42] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 01/28/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Malaria is one of the most lethal and life-threatening killer infectious diseases in the world, and account for the deaths of more than half a million people annually. Despite the remarkable achievement made in preventing and eradicating malaria, it still remains a threat to the public health and a burden to the global economy due to the emergence of multiple-drug resistant malaria parasites. Therefore, the need to develop new anti-malarial drugs is crucial. The chemistry department at the University of Cape Town synthesized a number of new CQ-like derivatives (TK-series), and evaluated them for in vitro activity against both CQ-sensitive and -resistant Plasmodium falciparum strains, and for general cytotoxicity against a Chinese Hamster Ovarian (CHO) mammalian cell line. The lead compounds from the TK-series were selected for a comprehensive pharmacokinetic (PK) evaluation in a mouse model. METHODS A sensitive LC-MS/MS assay was developed for the quantitative determination of TK900D. Multiple reaction monitoring (MRM) in the positive ionization mode was used for detection. The analyte and the internal standard (TK900E) were isolated from blood samples by liquid-liquid extraction with ethyl acetate. Chromatographic separation was achieved with a Phenomenex® Kinetex C18 (100 × 2.0 mm id, 2.6 μm) analytical column, using a mixture of 0.1% formic acid and acetonitrile (50:50; v/v) as the mobile phase. The method was fully validated over concentrations that ranged from 3.910 to 1000 ng/ml, and used to evaluate the PK properties of the lead compounds in a mouse model. RESULTS The assay was robust, with deviation not exceeding 11% for the intra- and inter-run precision and accuracy. Extraction recovery was consistent and more than 60%. PK evaluation showed that TK900D and TK900E have moderate oral bioavailability of 30.8% and 25.9%, respectively. The apparent half-life ranged between 4 to 6 h for TK900D and 3.6 to 4 h for TK900E. CONCLUSION The assay was sensitive and able to measure accurately low drug levels from a small sample volume (20 μl). PK evaluation showed that the oral bioavailability was moderate. Therefore, from a PK perspective, the compounds look promising and can be taken further in the drug development process.
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Affiliation(s)
- Efrem T Abay
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory, 7925 Cape Town, South Africa
- PAREXEL® International Clinical Research Organisation, Private Bag X09, Brandhof 9300, Bloemfontein, South Africa
| | - Jan H van der Westhuizen
- Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein 9300, South Africa
| | - Kenneth J Swart
- PAREXEL® International Clinical Research Organisation, Private Bag X09, Brandhof 9300, Bloemfontein, South Africa
- Department of Chemistry, University of the Free State, PO Box 339, Bloemfontein 9300, South Africa
| | - Liezl Gibhard
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory, 7925 Cape Town, South Africa
| | - Matshawandile Tukulula
- Department of Chemistry, University of Cape Town, Rondebosch 7701, Cape Town, South Africa
| | - Kelly Chibale
- Department of Chemistry, University of Cape Town, Rondebosch 7701, Cape Town, South Africa
- Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Rondebosch 7701, Cape Town, South Africa
| | - Lubbe Wiesner
- Division of Clinical Pharmacology, Department of Medicine, University of Cape Town, Observatory, 7925 Cape Town, South Africa
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Singh P, Raj R, Singh P, Gut J, Rosenthal PJ, Kumar V. Urea/oxalamide tethered β-lactam-7-chloroquinoline conjugates: Synthesis and in vitro antimalarial evaluation. Eur J Med Chem 2014; 71:128-34. [DOI: 10.1016/j.ejmech.2013.10.079] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 10/01/2013] [Accepted: 10/31/2013] [Indexed: 11/15/2022]
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Inokuchi T, J. Egan T, Shaban E, J. Wicht K, Wang N, Mei ZW, Abdel Aleem El Gokha A, Kaiser M, El Tantawy El Sayed I, Hayashi I. Synthesis and Antimalarial Activity of Some Neocryptolepine Analogues Carrying a Multifunctional Linear and Branched Carbon-Side Chains. HETEROCYCLES 2014. [DOI: 10.3987/com-14-12948] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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48
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Tukulula M, Njoroge M, Abay ET, Mugumbate GC, Wiesner L, Taylor D, Gibhard L, Norman J, Swart KJ, Gut J, Rosenthal PJ, Barteau S, Streckfuss J, Kameni-Tcheudji J, Chibale K. Synthesis and in vitro and in vivo pharmacological evaluation of new 4-aminoquinoline-based compounds. ACS Med Chem Lett 2013; 4:1198-202. [PMID: 24900630 DOI: 10.1021/ml400311r] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Accepted: 10/01/2013] [Indexed: 11/28/2022] Open
Abstract
A new class of 4-aminoquinolines was synthesized and evaluated in vitro for antiplasmodial activity against both the chloroquine-sensitive (3D7) and -resistant (K1 and W2) strains. The most active compounds 3c-3e had acceptable cytotoxicity but showed strong inhibition toward a panel of cytochrome P450 enzymes in vitro. Pharmacokinetic studies on 3d and 3e in mice showed that they had moderate half-life (4-6 h) and low oral bioavailability. The front runner compound 3d exhibited moderate inhibition of the malaria parasite on P. berghei infected mice following oral administration (5 mg/kg), achieving reduction of parasitemia population by 47% on day 7.
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Affiliation(s)
| | - Mathew Njoroge
- Department
of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
| | - Efrem T. Abay
- Department
of Chemistry (48), University of the Free State, Bloemfontein 339, South Africa
- PAREXEL International Clinical Research Organization, Private Bag X09, Brandhof 9324, Bloemfontein 339, South Africa
| | - Grace C. Mugumbate
- Department
of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
| | - Lubbe Wiesner
- Department
of Pharmacology, University of Cape Town, Medical School, Observatory 7925, South Africa
| | - Dale Taylor
- Department
of Pharmacology, University of Cape Town, Medical School, Observatory 7925, South Africa
| | - Liezl Gibhard
- Department
of Pharmacology, University of Cape Town, Medical School, Observatory 7925, South Africa
| | - Jennifer Norman
- Department
of Pharmacology, University of Cape Town, Medical School, Observatory 7925, South Africa
| | - Kenneth J. Swart
- PAREXEL International Clinical Research Organization, Private Bag X09, Brandhof 9324, Bloemfontein 339, South Africa
| | - Jiri Gut
- Department
of Medicine, San Francisco General Hospital, University of San Francisco, San
Francisco, California 94143, United States
| | - Philip J. Rosenthal
- Department
of Medicine, San Francisco General Hospital, University of San Francisco, San
Francisco, California 94143, United States
| | - Samuel Barteau
- Drug Metabolism
and Pharmacokinetics, Novartis Institutes for BioMedical Research, Basel CH-4057, Switzerland
| | - Judith Streckfuss
- Drug Metabolism
and Pharmacokinetics, Novartis Institutes for BioMedical Research, Basel CH-4057, Switzerland
| | - Jacques Kameni-Tcheudji
- Drug Metabolism
and Pharmacokinetics, Novartis Institutes for BioMedical Research, Basel CH-4057, Switzerland
| | - Kelly Chibale
- Department
of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
- Institute
of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch 7701, South Africa
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49
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Manohar S, Khan SI, Rawat DS. 4-aminoquinoline-triazine-based hybrids with improved in vitro antimalarial activity against CQ-sensitive and CQ-resistant strains of Plasmodium falciparum. Chem Biol Drug Des 2013; 81:625-30. [PMID: 23331618 DOI: 10.1111/cbdd.12108] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2012] [Revised: 12/18/2012] [Accepted: 01/08/2013] [Indexed: 12/01/2022]
Abstract
A systematic chemical modification in the triazine moiety covalently attached via suitable linkers to 4-amino-7-chloroquinolines yielded a series of new 7-chloro-4-aminoquinoline-triazine hybrids exhibiting high in vitro activity against W2 (chloroquine-resistant) and D6 (chloroquine-sensitive) strains of Plasmodium falciparum without any toxicity against mammalian cell lines (Vero, LLC-PK11, HepG2). Many of the compounds (6, 8, 10, 11, 13, 14, 16, 27, 29 and 33) showed excellent potency against chloroquine sensitive and resistant strains. In particular, compounds 6, 8, 14, 16 and 29 were found to be significantly more active than chloroquine against the chloroquine-resistant strains (W2 clone) of P. falciparum.
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Affiliation(s)
- Sunny Manohar
- Department of Chemistry, University of Delhi, Delhi, India
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50
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Mei ZW, Wang L, Lu WJ, Pang CQ, Maeda T, Peng W, Kaiser M, El Sayed I, Inokuchi T. Synthesis and in vitro antimalarial testing of neocryptolepines: SAR study for improved activity by introduction and modifications of side chains at C2 and C11 on indolo[2,3-b]quinolines. J Med Chem 2013; 56:1431-42. [PMID: 23360309 DOI: 10.1021/jm300887b] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
To obtain a high antimalarial activity with neocryptolepine derivatives, modifying and changing the side chains at the C11 position with varying the substituents of an electron-withdrawing or electron-donating nature at the C2 position for a SAR study were executed. Installation of alkylamino and ω-aminoalkylamino groups at the C11 position of the neocryptolepine core was successful. For further variation, the aminoalkylamino substituents were transformed into the corresponding acyclic or cyclic carbamides or thiocarbamides. These side chain modified neocryptolepine derivatives were tested for antimalarial activity against CQR (K1) and CQS (NF54) of Plasmodium falciparum in vitro and for cytotoxicity toward mammalian L6 cells. Among the tested compounds, the compound 17f showed an IC50 of 2.2 nM for CQS (NF54) and a selectivity index of 1400, and 17i showed an IC50 of 2.2 nM for CQR (K1), a selectivity index of 1243, and a resistance index of 0.5.
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Affiliation(s)
- Zhen-Wu Mei
- Division of Chemistry and Biotechnology, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
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