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Shahin AI, Zaraei SO, Alzuraiqi S, Abdulateef Z, Abbas NE, Al-Tel TH, El-Gamal MI. Evaluation of 2,3-dihydroimidazo[2,1- b]oxazole and imidazo[2,1- b]oxazole derivatives as chemotherapeutic agents. Future Med Chem 2023; 15:1885-1901. [PMID: 37814826 DOI: 10.4155/fmc-2023-0147] [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] [Indexed: 10/11/2023] Open
Abstract
Imidazo[2,1-b]oxazole and 2,3-dihydroimidazo[2,1-b]oxazole ring systems are commonly employed in therapeutically active molecules. In this article, the authors review the utilization of these core scaffolds as chemotherapeutic agents from 2018 to 2022. These scaffolds possess many important biological activities including antimicrobial and anticancer, among others. This review covers their biological activities and structure-activity relationships. One of the most important drugs in this class of compounds is the antitubercular agent delamanid. In this paper, the compounds structure-activity relationship and preclinical and clinical trial data are thoroughly presented.
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Affiliation(s)
- Afnan I Shahin
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Seyed-Omar Zaraei
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Shahed Alzuraiqi
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Zahaa Abdulateef
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Noora E Abbas
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Taleb H Al-Tel
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Mohammed I El-Gamal
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
- Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt
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Cores Á, Villacampa M, Menéndez JC. 2-(3-Bromophenyl)imidazo[2,1-b]oxazole. MOLBANK 2023. [DOI: 10.3390/m1616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023] Open
Abstract
The microwave-assisted reaction of 2-nitroimidazole with 3-bromophenacyl bromide in the presence of potassium carbonate as a base and dimethylformamide as a solvent afforded 2-(3-bromophenyl)imidazo[2,1-b]oxazole. The formation of this compound was explained via a domino mechanism comprising an initial N-alkylation reaction of the imidazole substrate, followed by the base-promoted deprotonation of the position adjacent to the carbonyl to give an enolate anion that finally cyclizes via an intramolecular SNAr reaction, with the loss of the nitro group as potassium nitrite. Then, the proposed 1-(3-bromophenacyl)-2-nitroimidazole intermediate could be isolated by reducing the reaction time and was shown to be a precursor of the imidazo[2,1-b]oxazole final product.
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Affiliation(s)
- Ángel Cores
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, Plaza de Ramón y Cajal, s.n., 28040 Madrid, Spain
| | - Mercedes Villacampa
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, Plaza de Ramón y Cajal, s.n., 28040 Madrid, Spain
| | - J. Carlos Menéndez
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, Plaza de Ramón y Cajal, s.n., 28040 Madrid, Spain
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3
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Mejdrová I, Dušek J, Škach K, Stefela A, Skoda J, Chalupský K, Dohnalová K, Pavkova I, Kronenberger T, Rashidian A, Smutná L, Duchoslav V, Smutny T, Pávek P, Nencka R. Discovery of Novel Human Constitutive Androstane Receptor Agonists with the Imidazo[1,2- a]pyridine Structure. J Med Chem 2023; 66:2422-2456. [PMID: 36756805 PMCID: PMC10017030 DOI: 10.1021/acs.jmedchem.2c01140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
The nuclear constitutive androstane receptor (CAR, NR1I3) plays significant roles in many hepatic functions, such as fatty acid oxidation, biotransformation, liver regeneration, as well as clearance of steroid hormones, cholesterol, and bilirubin. CAR has been proposed as a hypothetical target receptor for metabolic or liver disease therapy. Currently known prototype high-affinity human CAR agonists such as CITCO (6-(4-chlorophenyl)imidazo[2,1-b][1,3]thiazole-5-carbaldehyde-O-(3,4-dichlorobenzyl)oxime) have limited selectivity, activating the pregnane X receptor (PXR) receptor, a related receptor of the NR1I subfamily. We have discovered several derivatives of 3-(1H-1,2,3-triazol-4-yl)imidazo[1,2-a]pyridine that directly activate human CAR in nanomolar concentrations. While compound 39 regulates CAR target genes in humanized CAR mice as well as human hepatocytes, it does not activate other nuclear receptors and is nontoxic in cellular and genotoxic assays as well as in rodent toxicity studies. Our findings concerning potent human CAR agonists with in vivo activity reinforce the role of CAR as a possible therapeutic target.
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Affiliation(s)
- Ivana Mejdrová
- Institute
of Organic Chemistry and Biochemistry, Czech
Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Jan Dušek
- Department
of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Akademika Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Kryštof Škach
- Institute
of Organic Chemistry and Biochemistry, Czech
Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Alžbeta Stefela
- Department
of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Akademika Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Josef Skoda
- Department
of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Akademika Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Karel Chalupský
- Institute
of Organic Chemistry and Biochemistry, Czech
Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
- Czech
Centre for Phenogenomics, Institute of Molecular
Genetics of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
| | - Klára Dohnalová
- Czech
Centre for Phenogenomics, Institute of Molecular
Genetics of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague, Czech Republic
- 1st
Medical Faculty, Charles University, Katerinska 32, 112 08 Prague, Czech Republic
| | - Ivona Pavkova
- Faculty
of Military Health Sciences, University
of Defense, Trebeska
1575, 500 01 Hradec
Kralove, Czech Republic
| | - Thales Kronenberger
- Department
of Internal Medicine VIII, University Hospital
of Tübingen, 72076 Tübingen, Germany
- School
of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, 70211 Kuopio, Finland
- Department
of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical
Sciences, Eberhard Karls Universität, 72076 Tübingen, Germany
| | - Azam Rashidian
- Department
of Internal Medicine VIII, University Hospital
of Tübingen, 72076 Tübingen, Germany
| | - Lucie Smutná
- Department
of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Akademika Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Vojtěch Duchoslav
- Institute
of Organic Chemistry and Biochemistry, Czech
Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
| | - Tomas Smutny
- Department
of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Akademika Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Petr Pávek
- Department
of Pharmacology and Toxicology, Faculty of Pharmacy in Hradec Kralove, Charles University, Akademika Heyrovskeho 1203, 500 05 Hradec Kralove, Czech Republic
| | - Radim Nencka
- Institute
of Organic Chemistry and Biochemistry, Czech
Academy of Sciences, Flemingovo nám. 2, 166 10 Prague 6, Czech Republic
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Singh A, Malhotra D, Singh K, Chadha R, Bedi PMS. Thiazole derivatives in medicinal chemistry: Recent advancements in synthetic strategies, structure activity relationship and pharmacological outcomes. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Stern S, Liang D, Li L, Kurian R, Lynch C, Sakamuru S, Heyward S, Zhang J, Kareem KA, Chun YW, Huang R, Xia M, Hong CC, Xue F, Wang H. Targeting CAR and Nrf2 improves cyclophosphamide bioactivation while reducing doxorubicin-induced cardiotoxicity in triple-negative breast cancer treatment. JCI Insight 2022; 7:e153868. [PMID: 35579950 PMCID: PMC9309041 DOI: 10.1172/jci.insight.153868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 05/10/2022] [Indexed: 11/17/2022] Open
Abstract
Cyclophosphamide (CPA) and doxorubicin (DOX) are key components of chemotherapy for triple-negative breast cancer (TNBC), although suboptimal outcomes are commonly associated with drug resistance and/or intolerable side effects. Through an approach combining high-throughput screening and chemical modification, we developed CN06 as a dual activator of the constitutive androstane receptor (CAR) and nuclear factor erythroid 2-related factor 2 (Nrf2). CN06 enhances CAR-induced bioactivation of CPA (a prodrug) by provoking hepatic expression of CYP2B6, while repressing DOX-induced cytotoxicity in cardiomyocytes in vitro via stimulating Nrf2-antioxidant signaling. Utilizing a multicellular coculture model incorporating human primary hepatocytes, TNBC cells, and cardiomyocytes, we show that CN06 increased CPA/DOX-mediated TNBC cell death via CAR-dependent CYP2B6 induction and subsequent conversion of CPA to its active metabolite 4-hydroxy-CPA, while protecting against DOX-induced cardiotoxicity by selectively activating Nrf2-antioxidant signaling in cardiomyocytes but not in TNBC cells. Furthermore, CN06 preserves the viability and function of human iPSC-derived cardiomyocytes by modulating antioxidant defenses, decreasing apoptosis, and enhancing the kinetics of contraction and relaxation. Collectively, our findings identify CAR and Nrf2 as potentially novel combined therapeutic targets whereby CN06 holds the potential to improve the efficacy/toxicity ratio of CPA/DOX-containing chemotherapy.
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Affiliation(s)
- Sydney Stern
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Dongdong Liang
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Linhao Li
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Ritika Kurian
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Caitlin Lynch
- National Center for Advancing Translational Science (NCATS), NIH, Rockville, Maryland, USA
| | - Srilatha Sakamuru
- National Center for Advancing Translational Science (NCATS), NIH, Rockville, Maryland, USA
| | - Scott Heyward
- Bioreclamation In Vitro Technologies, Halethorpe, Maryland, USA
| | - Junran Zhang
- Department of Radiation Oncology, The Ohio State University James Comprehensive Cancer Center and College of Medicine, Columbus, Ohio, USA
| | - Kafayat Ajoke Kareem
- Division of Cardiovascular Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Young Wook Chun
- Division of Cardiovascular Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Ruili Huang
- National Center for Advancing Translational Science (NCATS), NIH, Rockville, Maryland, USA
| | - Menghang Xia
- National Center for Advancing Translational Science (NCATS), NIH, Rockville, Maryland, USA
| | - Charles C. Hong
- Division of Cardiovascular Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Fengtian Xue
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
| | - Hongbing Wang
- Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
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Chaubey NR, Kapdi AR, Maity B. Organophotoredox-Catalyzed C–H Alkylation of Imidazoheterocycles with Malonates: Total Synthesis of Zolpidem. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/s-0040-1706103] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
AbstractOrganophotocatalytic C–H bond functionalization has attracted a lot of attention in the past several years due to the possibility of catalyzing reactions in a metal- and peroxide-free environment. Continuing on these lines, an organophotoredox-catalyzed C–H functionalization of imidazo[1,2-a]pyridines and related heterocycles with bromomalonates under mild conditions is reported, providing excellent yields of the products at room temperature. This is the first report involving malonates as coupling partners leading to the synthesis of a range of functionalized products including total synthesis of zolpidem, a sedative-hypnotic drug molecule.
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Affiliation(s)
| | - Anant R. Kapdi
- Institute of Chemical Technology, Department of Chemistry
| | - Biswanath Maity
- Translational Cell Biology Unit, Centre of Biomedical Research
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Diethelm-Varela B, Kumar A, Lynch C, Imler GH, Deschamps JR, Li Y, Xia M, MacKerell AD, Xue F. Stereoisomerization of human constitutive androstane receptor agonist CITCO. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131886] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Li Q, An X, Man X, Chu M, Zhao T, Yu H, Li Z. Transcriptome analysis reveals that cyclophosphamide induces premature ovarian failure by blocking cholesterol biosynthesis pathway. Life Sci 2019; 239:116999. [PMID: 31654746 DOI: 10.1016/j.lfs.2019.116999] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 10/16/2019] [Accepted: 10/18/2019] [Indexed: 01/11/2023]
Abstract
AIMS The present study aimed to investigate the effects of cyclophosphamide (Cytoxan, CTX) on premature ovarian failure (POF) in mice and its regulatory mechanisms by transcriptome analysis. MAIN METHODS Female C57BL/6 mice were treated with a single intraperitoneal injection of 70 mg/kg CTX. Serum levels of estradiol (E2) and follicle stimulating hormone (FSH) were measured by enzyme-linked immunosorbent assay (ELISA), and follicular structure differences were observed by hematoxylin and eosin (H&E) staining. The main mechanism of POF was investigated by RNA-seq data, protein-protein interaction (PPI) networks and qPCR analysis. KEY FINDINGS The serum levels of E2 were significantly decreased and those of FSH were significantly increased compared to the control group. The ovarian weights of the mice in the CTX group were reduced, and abnormal follicular structures were also observed in the CTX group. The RNA-seq data show that the downregulated genes were related to the cholesterol biosynthesis pathway. The PPI network and qPCR analyses further confirm that the PPAR signaling pathway and the ovarian infertility genes were also involved in blocking the cholesterol biosynthesis pathway. The differences were statistically significant. SIGNIFICANCE Our results indicate that CTX may exert its anti-tumor effects by inactivating the cholesterol biosynthesis pathway, and simultaneously reducing the supply of estrogen precursor materials, ultimately leading to the occurrence of POF. Our data provided a preliminary theoretical basis for resolving the clinical toxicity and side effects of CTX.
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Affiliation(s)
- Qi Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, 130021, China.
| | - Xinglan An
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, 130021, China.
| | - Xiaxia Man
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, 130021, China.
| | - Meiran Chu
- College of Veterinary Medicine, Jilin University, Changchun, 130062, China.
| | - Tianchuang Zhao
- College of Veterinary Medicine, Jilin University, Changchun, 130062, China.
| | - Hao Yu
- College of Animal Sciences, Jilin University, Changchun, 130062, China.
| | - Ziyi Li
- Key Laboratory of Organ Regeneration and Transplantation of Ministry of Education, First Hospital, Jilin University, Changchun, 130021, China.
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