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Felber JG, Kitowski A, Zeisel L, Maier MS, Heise C, Thorn-Seshold J, Thorn-Seshold O. Cyclic Dichalcogenides Extend the Reach of Bioreductive Prodrugs to Harness Thiol/Disulfide Oxidoreductases: Applications to seco-Duocarmycins Targeting the Thioredoxin System. ACS CENTRAL SCIENCE 2023; 9:763-776. [PMID: 37122469 PMCID: PMC10141580 DOI: 10.1021/acscentsci.2c01465] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Indexed: 05/03/2023]
Abstract
Small-molecule prodrug approaches that can activate cancer therapeutics selectively in tumors are urgently needed. Here, we developed the first antitumor prodrugs designed for activation by thiol-manifold oxidoreductases, targeting the thioredoxin (Trx) system. The Trx system is a critical cellular redox axis that is tightly linked to dysregulated redox/metabolic states in cancer, yet it cannot be addressed by current bioreductive prodrugs, which mainly cluster around oxidized nitrogen species. We instead harnessed Trx/TrxR-specific artificial dichalcogenides to gate the bioactivity of 10 "off-to-on" reduction-activated duocarmycin prodrugs. The prodrugs were tested for cell-free and cellular reductase-dependent activity in 177 cell lines, establishing broad trends for redox-based cellular bioactivity of the dichalcogenides. They were well tolerated in vivo in mice, indicating low systemic release of their duocarmycin cargo, and in vivo anti-tumor efficacy trials in mouse models of breast and pancreatic cancer gave promising indications of effective tumoral drug release, presumably by in situ bioreductive activation. This work therefore presents a chemically novel class of bioreductive prodrugs against a previously unaddressed reductase chemotype, validates its ability to access in vivo-compatible small-molecule prodrugs even of potently cumulative toxins, and so introduces carefully tuned dichalcogenides as a platform strategy for specific bioreduction-based release.
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Hybrids between H 2S-donors and betamethasone 17-valerate or triamcinolone acetonide inhibit mast cell degranulation and promote hyperpolarization of bronchial smooth muscle cells. Eur J Med Chem 2021; 221:113517. [PMID: 33984803 DOI: 10.1016/j.ejmech.2021.113517] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 04/13/2021] [Accepted: 04/21/2021] [Indexed: 01/15/2023]
Abstract
Glucocorticoids represent the standard gold treatment of inflammation in asthmatic patients. More recently, H2S has been described to exert positive effect on this disease. Bearing in mind that an improved pharmacological activity and a reduced toxicity can be obtained through hybridization of different molecules, simultaneously modulating multiple targets, we designed and synthesized novel betamethasone 17-valerate and triamcinolone acetonide hybrids with well-known H2S-donor moieties. Synthesized compounds have been evaluated for the potential H2S-releasing profile both in cell-free environment and into the cytosol of bronchial smooth muscle cells (BSMCs). The two hybrids 4b and 5b were investigated by molecular modelling studies and results indicated that the steric accessibility of the isothiocyanate carbon atom can account for their different H2S releasing properties. Furthermore, the most promising derivatives 4b and 5b have been tested for inhibitory effect on mast cell degranulation and for the ability to induce cell membrane hyperpolarization in BSMCs. Significant inhibitory effect on mast cell degranulation was assessed, resulting to reduce β-hexosaminidase release more efficiently than the corresponding native drugs. Both compounds determined a massive membrane hyperpolarization of BSMCs and proved to be 4-fold more effective compared to reference compound NS1619. These effects represent an enrichment of the pharmacological activity of the native drugs.
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Magli E, Severino B, Corvino A, Perissutti E, Frecentese F, Saccone I, Giordano F, Castro M, Brea J, Loza MI, Santagada V, Caliendo G, Fiorino F. New Serotoninergic Ligands Containing Indolic and Methyl Indolic Nuclei: Synthesis and In Vitro Pharmacological Evaluation. Med Chem 2019; 16:517-530. [PMID: 31203804 DOI: 10.2174/1573406415666190613153220] [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: 01/16/2019] [Revised: 04/23/2019] [Accepted: 04/29/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND Serotonin is an important biogenic amine and is implicated in wideranging physiological and physiopathological processes. Pharmacological manipulation of the serotoninergic system is believed to have a great therapeutic potential. OBJECTIVES In order to identify selective ligands for 5-HT1A, 5-HT2A and 5-HT2C receptors two series of 4-substituted piperazine derivatives, bearing indolic or methyl indolic nuclei, were synthesized. METHODS All the compounds, synthesized by standard solution methods, were evaluated for 5- HT1A, 5-HT2A and 5-HT2C receptors. The highest affine and selective compounds have been evaluated also on dopaminergic (D1 and D2) and adrenergic (α1A and α2A) receptors. RESULTS Several of the newly synthesized molecules showed affinity in the nanomolar range for 5- HT1A, 5-HT2A and 5-HT2C receptors and moderate to no affinity for other relevant receptors (D1, D2, α1A and α2A). CONCLUSION Compounds 7f and 10a showed a nanomolar affinity towards 5-HT1A with an in vitro pharmacologic profile compatible with antipsychotic drugs.
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Affiliation(s)
- Elisa Magli
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Beatrice Severino
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Angela Corvino
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Elisa Perissutti
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Francesco Frecentese
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Irene Saccone
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Flavia Giordano
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Marián Castro
- USEF Screening Platform-BioFarma Research Group, Center for Research in Molecular Medicine and Chronic Diseases, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - José Brea
- USEF Screening Platform-BioFarma Research Group, Center for Research in Molecular Medicine and Chronic Diseases, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - María I Loza
- USEF Screening Platform-BioFarma Research Group, Center for Research in Molecular Medicine and Chronic Diseases, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Vincenzo Santagada
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Giuseppe Caliendo
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
| | - Ferdinando Fiorino
- Dipartimento di Farmacia, Universita degli Studi di Napoli "Federico II", Via D. Montesano, 49, 80131, Napoli, Italy
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Ren L, Nan G, Wang Y, Xiao Z. Carboxylic Acid-Promoted Single-Step Indole Construction from Simple Anilines and Ketones via Aerobic Cross-Dehydrogenative Coupling. J Org Chem 2018; 83:14472-14488. [PMID: 30378428 DOI: 10.1021/acs.joc.8b02180] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The cross-dehydrogenative coupling (CDC) reaction is an efficient strategy for indole synthesis. However, most CDC methods require special substrates, and the presence of inherent groups limits the versatility for further transformation. A carboxylic acid-promoted aerobic catalytic system is developed herein for a single-step synthesis of indoles from simple anilines and ketones. This versatile system is featured by the broad substrate scope and the use of ambient oxygen as an oxidant and is convenient and economical for both laboratory and industry applications. The existence of the labile hydrogen at C-3 and the highly transformable carbonyl at C-2 makes the indoles versatile building blocks for organic synthesis in different contexts. Computational studies based on the density functional theory (DFT) suggest that the rate-determining step is carboxylic acid-assisted condensation of the substrates, rather than the functionalization of aryl C-H. Accordingly, a pathway via imine intermediates is deemed to be the preferred mechanism. In contrast to the general deduction, the in situ formed imine, instead of its enamine isomer, is believed to be involved in the first ligand exchange and later carbopalladation of the α-Me, which shed new light on this indolization mechanism.
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Affiliation(s)
- Long Ren
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Guanglei Nan
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Yongcheng Wang
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Zhiyan Xiao
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica , Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
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Muñoz-Osses M, Godoy F, Fierro A, Gómez A, Metzler-Nolte N. New organometallic imines of rhenium(i) as potential ligands of GSK-3β: synthesis, characterization and biological studies. Dalton Trans 2018; 47:1233-1242. [PMID: 29299575 DOI: 10.1039/c7dt04344a] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Substituted amino-piperazine derivatives were synthesized and used as precursors for the preparation of a series of new organometallic Re(i) imine complexes with the general formula [(η5-C5H4CH[double bond, length as m-dash]N-(CH2)5-Pz-R)Re(CO)3] (Pz-R: -alkyl or aryl piperazine). The piperazine-based ligands were designed to be potential inhibitors of GSK-3β kinase. All the ligands and complexes were fully characterized and evaluated against the HT-29 and PT-45 cancer cell lines, in which GSK-3β plays a crucial role. In this context, we carried out biological evaluation using the MTT colorimetric assay. In terms of structure activity relationship, our findings indicated improved biological activity when aromaticity increased in the organic ligands (3d). In addition, the presence of the rhenium fragment in the imines (5a-d) leads to better activity with IC50 values in the range of 25-100 μM. In addition, our experimental studies were complemented by computational studies, where the volume and electrostatic surface of the organic ligands and organometallic compounds as well as their binding to the kinase protein are calculated.
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Affiliation(s)
- Michelle Muñoz-Osses
- Laboratory of Organometallic Chemistry, Faculty of Chemistry and Biology, Universidad de Santiago de Chile, Avda. Libertador Bernardo O'Higgins 3363, Estación Central, Santiago, Chile.
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Zhang Y, Chao J, Zhao S, Xu P, Wang H, Guo Z, Liu D. Investigation on the inclusion interaction of 4-sulfonatocalix[n]arenes with 1-(4-nitrophenyl)piperazine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 132:44-51. [PMID: 24858345 DOI: 10.1016/j.saa.2014.04.156] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2014] [Revised: 04/21/2014] [Accepted: 04/23/2014] [Indexed: 06/03/2023]
Abstract
The inclusion behaviors of 4-Sulfonatocalix[n]arenes (SCXn) (n=4, 6, 8) with 1-(4-nitrophenyl)piperazine (NPP) were investigated by UV spectroscopy and fluorescence spectroscopy at different pH values (pH=3.05, 6.50, 8.40). The UV absorption and fluorescence intensity of NPP remarkably increased in presence of SCXn revealing formation of the inclusion complexes between NPP and SCXn. Moreover, the formation constants (K) of inclusion complexes were also determined by the non-linear fitting method, and the obtained data showed that the formation constants decreasedgradually with the increasing of the pH value. When the pH value was 3.05, the formation constant of NPP with SCX8 reached a maximum of 1.7×10(7) L mol(-1). The stoichiometric ratio was verified to be 1:1 by the continuous variation method. Meanwhile FT-IR and DSC analysis also indicated that NPP could form the inclusion complex with SCXn. In order to explore the inclusion mechanism of NPP with SCXn, 1H NMR and molecular modeling studies were carried out and experimental results showed that the part of benzene ring of NPP penetrated into the hydrophobic cavity of SCXn.
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Affiliation(s)
- Yongbin Zhang
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Jianbin Chao
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China.
| | - Shuhui Zhao
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Penghao Xu
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Hongfang Wang
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Zhiqiang Guo
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
| | - Diansheng Liu
- Institute of Applied Chemistry, Shanxi University, Taiyuan 030006, China
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Chen Y, Lan Y, Wang S, Zhang H, Xu X, Liu X, Yu M, Liu BF, Zhang G. Synthesis and evaluation of new coumarin derivatives as potential atypical antipsychotics. Eur J Med Chem 2014; 74:427-39. [PMID: 24487191 DOI: 10.1016/j.ejmech.2014.01.012] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2013] [Revised: 01/07/2014] [Accepted: 01/08/2014] [Indexed: 10/25/2022]
Abstract
In this paper, we report the synthesis of novel, potential antipsychotic coumarin derivatives combining potent dopamine D₂, D₃ and serotonin 5-HT(1A), 5-HT(2A) receptors properties. We describe the structure activity relationship that leads us to the promising derivative: 7-(4-(4-(6-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)butoxy)-6-methyl-2,3-dihydrocyclopenta[c]chromen-4(1H)-one 27. The unique pharmacological features of compound 27 are a high affinity for dopamine D₂, D₃ and serotonin 5-HT(1A), 5-HT(2A) receptors, together with a low affinity for H₁ receptor (to reduce the risk of obesity under chronic treatment). In animal models, compound 27 inhibited apomorphine-induced climbing and MK-801-induced hyperactivity without observable catalepsy at the highest dose tested. In particular, compound 27 was more potent than clozapine.
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Affiliation(s)
- Yin Chen
- Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu 221116, China
| | - Yu Lan
- Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Songlin Wang
- Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Heng Zhang
- Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xiangqing Xu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu 221116, China
| | - Xin Liu
- Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Minquan Yu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu 221116, China
| | - Bi-Feng Liu
- Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Guisen Zhang
- Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu 221116, China.
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Kitchen HJ, Vallance SR, Kennedy JL, Tapia-Ruiz N, Carassiti L, Harrison A, Whittaker AG, Drysdale TD, Kingman SW, Gregory DH. Modern microwave methods in solid-state inorganic materials chemistry: from fundamentals to manufacturing. Chem Rev 2013; 114:1170-206. [PMID: 24261861 DOI: 10.1021/cr4002353] [Citation(s) in RCA: 142] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Helen J Kitchen
- WestCHEM, School of Chemistry, University of Glasgow , Joseph Black Building, Glasgow G12 8QQ, United Kingdom
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Chen Y, Wang S, Xu X, Liu X, Yu M, Zhao S, Liu S, Qiu Y, Zhang T, Liu BF, Zhang G. Synthesis and Biological Investigation of Coumarin Piperazine (Piperidine) Derivatives as Potential Multireceptor Atypical Antipsychotics. J Med Chem 2013; 56:4671-90. [DOI: 10.1021/jm400408r] [Citation(s) in RCA: 98] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Yin Chen
- Systems Biology Theme, Department
of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan
430074, China
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
| | - Songlin Wang
- Systems Biology Theme, Department
of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan
430074, China
| | - Xiangqing Xu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
| | - Xin Liu
- Systems Biology Theme, Department
of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan
430074, China
| | - Minquan Yu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
| | - Song Zhao
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
| | - Shicheng Liu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
| | - Yinli Qiu
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
| | - Tan Zhang
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
| | - Bi-Feng Liu
- Systems Biology Theme, Department
of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan
430074, China
| | - Guisen Zhang
- Systems Biology Theme, Department
of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan
430074, China
- Jiangsu Nhwa Pharmaceutical Co., Ltd., 69 Democratic South Road, Xuzhou, Jiangsu
221116, China
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Chen Y, Xu X, Liu X, Liu BF, Zhang G. Synthesis and Evaluation of a Series of Piperidine-2,6-dione-piperazine (piperidine) Derivatives as Multireceptor Atypical Antipsychotics. Arch Pharm (Weinheim) 2012; 345:859-69. [DOI: 10.1002/ardp.201200023] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 06/22/2012] [Accepted: 06/29/2012] [Indexed: 11/07/2022]
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Synthesis and evaluation of a series of 2-substituted-5-thiopropylpiperazine (piperidine)-1,3,4-oxadiazoles derivatives as atypical antipsychotics. PLoS One 2012; 7:e35186. [PMID: 22558126 PMCID: PMC3340383 DOI: 10.1371/journal.pone.0035186] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Accepted: 03/09/2012] [Indexed: 11/19/2022] Open
Abstract
Background It is important to develop novel antipsychotics that can effectively treat schizophrenia with minor side-effects. The aim of our work is to develop novel antipsychotics that act on dopamine D2 and D3, serotonin 5-HT1A and 5-HT2A receptors with low affinity for the serotonin 5-HT2C and H1 receptors, which can effectively cure positive symptoms, negative symptoms and cognitive impairment without the weight gain side-effect. Methodology/Principal Findings A series of 2-substituted-5-thiopropylpiperazine (piperidine) -1,3,4-oxadiazoles derivatives have been synthesized and the target compounds were evaluated for binding affinities to D2, 5-HT1A and 5-HT2A receptors. Preliminary results indicated that compounds 14, 16 and 22 exhibited high affinities to D2, 5-HT1A and 5-HT2A receptors among these compounds. Further binding tests showed that compound 22 had high affinity for D3 receptor, and low affinity for serotonin 5-HT2C and H1 receptors. In addition, compound 22 inhibited apomorphine-induced climbing behavior and MK-801-induced hyperactivity with no extrapyramidal symptoms liability in mice. Moreover, compound 22 exhibited acceptable pharmacokinetic properties. Conclusions/Significance Compound 22 showed an atypical antipsychotic activity without liability for extrapyramidal symptoms. We anticipate compound 22 to be useful for developing a novel class of drug for the treatment of schizophrenia.
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Chen Y, Wang G, Xu X, Liu BF, Li J, Zhang G. Design, synthesis and biological activity evaluation of arylpiperazine derivatives for the treatment of neuropathic pain. Molecules 2011; 16:5785-806. [PMID: 21738106 PMCID: PMC6264349 DOI: 10.3390/molecules16075785] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2011] [Revised: 06/24/2011] [Accepted: 06/27/2011] [Indexed: 11/16/2022] Open
Abstract
In this work, a series of arylpiperazine derivatives were synthesized and screened by in vivo pharmacological trials. Among the tested compounds, 2-(4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)-1-phenylethanone (18) and 2-(4-(2,3-dimethylphenyl)piperazin-1-yl)-1-phenylethanone (19) exhibited potent analgesic activities in both the mice writhing and mice hot plate tests. They showed more than 70% inhibition relative to controls in the writhing test, and increased latency by 116.0% and 134.4%, respectively, in the hot plate test. Furthermore, compound 18 was also active in the models of formalin pain and neuropathic pain without sedative side effects.
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Affiliation(s)
- Yin Chen
- Department of Systems Biology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China
| | - Guan Wang
- Shanghai Institute of Pharmaceutical Industry, 1111 North Zhongshan Road, Shanghai, 200437, China
| | - Xiangqing Xu
- Jiangsu Nhwa Pharmaceutical Corporation, Ltd. 69# Minzhu South Road Xuzhou City, Jiangsu, 221009, China
| | - Bi-Feng Liu
- Department of Systems Biology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China
| | - Jianqi Li
- Shanghai Institute of Pharmaceutical Industry, 1111 North Zhongshan Road, Shanghai, 200437, China
| | - Guisen Zhang
- Department of Systems Biology, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, 430074, China
- Jiangsu Nhwa Pharmaceutical Corporation, Ltd. 69# Minzhu South Road Xuzhou City, Jiangsu, 221009, China
- Author to whom correspondence should be addressed; ; Tel.: +86-27-87792235; Fax: +86-27-87792170
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