1
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Chirra N, Abburi NP, Rekha EM, Pedapati RK, Bollikanda RK, Murahari M, Sriram D, Sridhar B, Kantevari S. N-Substituted piperazine-coupled imidazo[2,1-b]thiazoles as inhibitors of Mycobacterium tuberculosis: Synthesis, evaluation, and docking studies. Drug Dev Res 2024; 85:e22153. [PMID: 38349258 DOI: 10.1002/ddr.22153] [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: 10/28/2023] [Revised: 12/14/2023] [Accepted: 01/13/2024] [Indexed: 02/15/2024]
Abstract
An innovative series of N-substituted piperazine-linked imidazothiazole derivatives 7(a-x) were synthesized, and their antitubercular effectiveness was evaluated. A three-step reaction sequence involving the condensation of 1,3-dichloroacetone and thiourea, coupling with substituted piperazines to give the intermediates 5(a-d) and cyclization with substituted α-bromoacetophenones produced the desired imidazothiazole derivatives 7(a-x) in excellent yields. In vitro screening of new derivatives against Mycobacterium tuberculosis H37Rv resulted in 7k (minimum inhibitory concentration [MIC]: 0.78 μg/mL) and 7g and 7h (MIC: 1.56 μg/mL) as potent hit compounds. Further, the docking studies of the promising compounds 7k, 7g, and 7h revealed that the best molecular interactions are with the DprE1 in complex with sulfonyl PBTZ of M. tuberculosis as the target protein (PDB ID: 6G83).
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Affiliation(s)
- Nagaraju Chirra
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Naga Pranathi Abburi
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Estharla Madhu Rekha
- Medicinal Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology and Science-Pilani, Hyderabad, Telangana, India
| | - Ravi Kumar Pedapati
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Rakesh Kumar Bollikanda
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Manikanta Murahari
- Medicinal Chemistry Research Division, K L College of Pharmacy, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, India
| | - Dharmarajan Sriram
- Medicinal Chemistry and Antimycobacterial Research Laboratory, Pharmacy Group, Birla Institute of Technology and Science-Pilani, Hyderabad, Telangana, India
| | - Balasubramanian Sridhar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
- Centre for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
| | - Srinivas Kantevari
- Fluoro & Agrochemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
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2
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Rivas M, Gevorgyan V. Advances in Selected Heterocyclization Methods. Synlett 2023; 34:1554-1562. [PMID: 37876737 PMCID: PMC10593425 DOI: 10.1055/s-0042-1751429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
This Account summarizes efforts in our group toward synthesis of heterocycles in the past decade. Selected examples of transannulative heterocyclizations, intermediate construction of reactive compounds en route to these important motifs, and newer developments of a radical approach are outlined.
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Affiliation(s)
- Mónica Rivas
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080; Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, Texas 75390
| | - Vladimir Gevorgyan
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080; Department of Biochemistry, The University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, Texas 75390
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3
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Hoolageri SR, Kamble RR, Nesaragi AR, Bheemayya L, Nadoni VB, Dixit S, Vootla S, Joshi SD. Cu (Ι) catalyzed A
3
cascade coupling via C‐H functionalization followed by cyclization: Synthesis, in silico, in vitro and toxicity studies of imidazo[2,1‐b]thiazoles. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | | | - Lokesh Bheemayya
- Department of Studies in Chemistry Karnatak University Dharwad India
| | - Vishwa B. Nadoni
- Department of Studies in Chemistry Karnatak University Dharwad India
| | - Shruti Dixit
- Department of Biotechnology and Microbiology Karnatak University Dharwad India
| | - Shyamkumar Vootla
- Department of Biotechnology and Microbiology Karnatak University Dharwad India
| | - Shrinivas D. Joshi
- Novel Drug Design and Discovery Laboratory, Department of Pharmaceutical Chemistry, S.E.T.’s College of Pharmacy Dharwad India
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4
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Volkova YA, Rassokhina IV, Kondrakhin EA, Rossokhin AV, Kolbaev SN, Tihonova TB, Kh. Dzhafarov M, Schetinina MA, Chernoburova EI, Vasileva EV, Dmitrenok AS, Kovalev GI, Sharonova IN, Zavarzin IV. Synthesis and Evaluation of Avermectin–Imidazo[1,2-a]pyridine Hybrids as Potent GABAA Receptor Modulators. Bioorg Chem 2022; 127:105904. [DOI: 10.1016/j.bioorg.2022.105904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 05/18/2022] [Accepted: 05/21/2022] [Indexed: 01/08/2023]
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5
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Imtiaz S, Ahmad War J, Banoo S, Khan S. α-Aminoazoles/azines: key reaction partners for multicomponent reactions. RSC Adv 2021; 11:11083-11165. [PMID: 35423648 PMCID: PMC8695948 DOI: 10.1039/d1ra00392e] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Accepted: 02/23/2021] [Indexed: 12/28/2022] Open
Abstract
Aromatic α-aminoazaheterocycles are the focus of significant investigations and exploration by researchers owing to their key role in diverse biological and physiological processes. The existence of their derivatives in numerous drugs and alkaloids is due to their heterocyclic nitrogenous nature. Therefore, the synthesis of a structurally diverse range of their derivatives through simple and convenient methods represents a vital field of synthetic organic chemistry. Multicomponent reactions (MCRs) provide a platform to introduce desirable structure diversity and complexity into a molecule in a single operation with a significant reduction in the use of harmful organic waste, and hence have attracted particular attention as an excellent tool to access these derivatives. This review covers the advances made from 2010 to the beginning of 2020 in terms of the utilization of α-aminoazaheterocycles as synthetic precursors in MCRs.
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Affiliation(s)
- Shah Imtiaz
- Department of Chemistry, Aligarh Muslim University Aligarh India-202002
| | - Jahangir Ahmad War
- Department of Chemistry, National Institute of Technology Kashmir India-190006
| | - Syqa Banoo
- Department of Chemistry, Mangalayatan University Beswan Aligarh India-202146
| | - Sarfaraz Khan
- Department of Chemistry, Aligarh Muslim University Aligarh India-202002
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6
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Saliyeva LN, Diachenko IV, Vas’kevich RI, Slyvka NY, Vovk MV. Imidazothiazoles and their Hydrogenated Analogs: Methods of Synthesis and Biomedical Potential. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02827-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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7
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Volkova Y, Baranin S, Zavarzin I. A
3
Coupling Reaction in the Synthesis of Heterocyclic Compounds. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000866] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Yulia Volkova
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. Moscow 119991
| | - Sergey Baranin
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. Moscow 119991
| | - Igor Zavarzin
- N. D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. Moscow 119991
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8
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Bayanati M, Parizadeh N, Nematpour M, Sedaghat A, Tabatabaia SA. A new route for the synthesis of functionalized benzo[d]imidazo[5,1-b]thiazol-1-amine derivatives from benzothiazole, trichloroacetamidines and terminal alkynes. J Sulphur Chem 2020. [DOI: 10.1080/17415993.2020.1820010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Maryam Bayanati
- Department of Pharmaceutical Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Niloofar Parizadeh
- Faculty of Chemistry, Institute of Organic Chemistry, University of Vienna, Vienna, Austria
| | - Manijeh Nematpour
- Department of Pharmaceutical Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Anna Sedaghat
- Student Research Committee, (Department and Faculty of pharmacy), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sayyed Abbas Tabatabaia
- Department of Pharmaceutical Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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9
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Geedkar D, Kumar A, Sharma P. Multiwalled carbon nanotubes crowned with nickel‐ferrite magnetic nanoparticles assisted heterogeneous catalytic strategy for the synthesis of benzo[
d
]imidazo[2,1‐
b
]thiazole scaffolds. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Deepika Geedkar
- School of Chemical Sciences Devi Ahilya University Indore India
| | - Ashok Kumar
- School of Chemical Sciences Devi Ahilya University Indore India
| | - Pratibha Sharma
- School of Chemical Sciences Devi Ahilya University Indore India
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10
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Soni J, Sethiya A, Sahiba N, Agarwal DK, Agarwal S. Contemporary Progress in the Synthetic Strategies of Imidazole and its Biological Activities. Curr Org Synth 2020; 16:1078-1104. [PMID: 31984918 DOI: 10.2174/1570179416666191007092548] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 08/16/2019] [Accepted: 08/30/2019] [Indexed: 12/14/2022]
Abstract
Heterocyclic compounds are pervasive in many areas of life and one of the heterocycles, imidazole is a unique heterocyclic five-membered aromatic compound having two sp2 hybridized nitrogen atoms. Its integral name is 1, 3 diazole and previously, it was known as glyoxalin. This moiety has achieved a considerable place among scientists in recent years by reason of its divergent synthetic strategies and uncommon biological and pharmacological activities, for example, anti-convulsant, anti-microbial, anti-cancer, anti-inflammatory, anti-tumor, anti-viral, anti-ulcer, analgesic, etc. Due to distinct therapeutic actions, it is still an engrossed area of research. Researchers currently are inventing new greener methods to synthesize its derivatives and to improve its pharmacological activities. The purpose of this review is to study the literature that can help researchers to explore this area, its prevailing program for synthesis in environmentally friendly conditions and biological profile throughout past decades.
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Affiliation(s)
- Jay Soni
- Synthetic Organic Chemistry Laboratory Department of Chemistry, MLSU, Udaipur 313001, India
| | - Ayushi Sethiya
- Synthetic Organic Chemistry Laboratory Department of Chemistry, MLSU, Udaipur 313001, India
| | - Nusrat Sahiba
- Synthetic Organic Chemistry Laboratory Department of Chemistry, MLSU, Udaipur 313001, India
| | | | - Shikha Agarwal
- Synthetic Organic Chemistry Laboratory Department of Chemistry, MLSU, Udaipur 313001, India
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11
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Afsina Abdulla CM, Neetha M, Aneeja T, Anilkumar G. Synthesis and Applications of Imidazothiazoles: An Overview. ChemistrySelect 2020. [DOI: 10.1002/slct.202002842] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- C. M. Afsina Abdulla
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
| | - Mohan Neetha
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
| | - Thaipparambil Aneeja
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
- Institute for Integrated Programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Priyadarsini Hills, Kottayam Kerala India 686560
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12
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13
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Zhao J, Xiao Q, Chen J, Xu J. Metal‐Free Synthesis of Imidazo[2,1‐
b
]thiazoles from Thioimidazoles and Ketones Mediated by Selectfluor. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000815] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jinwu Zhao
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Qiannan Xiao
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Jiaxi Chen
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
| | - Jingxiu Xu
- School of Pharmacy Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
- Key Laboratory of Big Data Mining and Precision Drug Design Guangdong Medical University No.1 Xincheng Blvd, Songshan Lake National High‐tech Industrial Development Zone 523808 Dongguan China
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14
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Wang H, Zhao S, Xu Y, Li L, Li B, Pei M, Zhang G. A new fluorescent probe based on imidazole[2,1-b]benzothiazole for sensitive and selective detection of Cu2+. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127384] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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15
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Jiang W, Zhou Y, Sun W, Li Y. Cu
II
@PAA/PVC mesoporous fibers: A hybrid wedding as a high‐performance versatile heterogeneous catalyst for A
3
, KA
2
, and decarboxylative A
3
reactions. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5429] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Wei Jiang
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Yuemin Zhou
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Wei Sun
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Yiqun Li
- Department of ChemistryJinan University Guangzhou 510632 China
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic ChemistryChinese Academy of Sciences Shanghai 200032 China
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16
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Mukku N, Maiti B. On water catalyst-free synthesis of benzo[ d]imidazo[2,1- b] thiazoles and novel N-alkylated 2-aminobenzo[ d]oxazoles under microwave irradiation. RSC Adv 2020; 10:770-778. [PMID: 35494448 PMCID: PMC9047639 DOI: 10.1039/c9ra08929b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 12/10/2019] [Indexed: 12/15/2022] Open
Abstract
A highly efficient unprecedented catalyst-free microwave-assisted procedure for synthesizing benzo[d]imidazo[2,1-b]thiazoles and N-alkylated 2-aminobenzo[d]oxazol in green media was developed. The transformation provided rapid access to functionalized benzo[d]imidazo[2,1-b]thiazoles from 2-aminobenzothiazole and N-alkylated 2-aminobenzo[d]oxazole from 2-aminobenzoxazole scaffolds under mild transition-metal-free conditions. This synthetic manipulation is expected to greatly expand the repertoire of reaction types in heterocyclic chemistry and pave the way for new syntheses of bioactive compounds. A highly efficient unprecedented catalyst-free microwave-assisted procedure for synthesizing benzo[d]imidazo[2,1-b]thiazoles and N-alkylated 2-aminobenzo[d]oxazol in green media was developed.![]()
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Affiliation(s)
- Narasimharao Mukku
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology Vellore-632014 India
| | - Barnali Maiti
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology Vellore-632014 India
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17
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Dong R, Chen Q, Cai X, Zhang Q, Liu Z. Synthesis of fused conjugated polymers containing imidazo[2,1-b]thiazole units by multicomponent one-pot polymerization. Polym Chem 2020. [DOI: 10.1039/d0py00680g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
This work describes a method for synthesis of fused cyclic conjugated polymers possessing imidazo[2,1-b]thiazole units in the main chain by reaction of heteroclyclic diazoles, dialdehydes and terminal alkyne via multicomponent one-pot processes.
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Affiliation(s)
- Ru Dong
- Key Laboratory of Macromolecular Science of Shaanxi Province
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- 710119 Xi'an
- P. R. China
| | - Qi Chen
- Key Laboratory of Macromolecular Science of Shaanxi Province
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- 710119 Xi'an
- P. R. China
| | - Xuediao Cai
- Key Laboratory of Macromolecular Science of Shaanxi Province
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- 710119 Xi'an
- P. R. China
| | - Qi Zhang
- Key Laboratory of Macromolecular Science of Shaanxi Province
- School of Chemistry and Chemical Engineering
- Shaanxi Normal University
- 710119 Xi'an
- P. R. China
| | - Zhike Liu
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education
- Shaanxi Engineering Lab for Advanced Energy Technology
- School of Materials Science and Engineering
- Shaanxi Normal University
- 710119 Xi'an
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18
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Jana A, Bhaumick P, Panday AK, Mishra R, Choudhury LH. I 2/DMSO mediated multicomponent reaction for the synthesis of 2-arylbenzo[d]imidazo[2,1-b] thiazole derivatives. Org Biomol Chem 2019; 17:5316-5330. [PMID: 31095156 DOI: 10.1039/c9ob00515c] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Synthesis of a series of 2-arylbenzo[d]imidazo[2,1-b] thiazoles tethered with barbituric acid moiety has been reported from the three component reaction of 2-aminobenzothiazoles, barbituric acids and terminal aryl acetylenes or aryl methyl ketones in the presence of I2 in DMSO medium. Both conventional and microwave heating conditions can be used for this multicomponent reaction. The salient features of this methodology are: (i) formation of one C-C and two C-N bonds in one-pot under metal-free oxidation followed by cyclization, (ii) selective formation of the fused imidazole ring, (iii) wide substrate scope, (iv) easy purification of the products, (v) products having more than one pharmaceutically important motifs and (vi) gram scale synthesis possible.
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Affiliation(s)
- Asim Jana
- Department of Chemistry, Indian Institute of Technology Patna, Bihta, Patna-801106, India.
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19
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Tikhonova TA, Rassokhina IV, Kondrakhin EA, Fedosov MA, Bukanova JV, Rossokhin AV, Sharonova IN, Kovalev GI, Zavarzin IV, Volkova YA. Development of 1,3-thiazole analogues of imidazopyridines as potent positive allosteric modulators of GABA A receptors. Bioorg Chem 2019; 94:103334. [PMID: 31711764 DOI: 10.1016/j.bioorg.2019.103334] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 09/17/2019] [Accepted: 09/30/2019] [Indexed: 12/14/2022]
Abstract
Structure-activity relationship studies were conducted in the search for 1,3-thiazole isosteric analogs of imidazopyridine drugs (Zolpidem, Alpidem). Three series of novel γ-aminobutyric acid receptor (GABAAR) ligands belonging to imidazo[2,1-b]thiazoles, imidazo[2,1-b][1,3,4]thiadiazoles, and benzo[d]imidazo[2,1-b]thiazoles were synthesized and characterized as active agents against GABAAR benzodiazepine-binding site. In each of these series, potent compounds were discovered using a radioligand competition binding assay. The functional properties of highest-affinity compounds 28 and 37 as GABAAR positive allosteric modulators (PAMs) were determined by electrophysiological measurements. In vivo studies on zebrafish demonstrated their potential for the further development of anxiolytics. Using the OECD "Fish, Acute Toxicity Test" active compounds were found safe and non-toxic. Structural bases for activity of benzo[d]imidazo[2,1-b]thiazoles were proposed using molecular docking studies. The isosteric replacement of the pyridine nuclei by 1,3-thiazole, 1,3,4-thiadiazole, or 1,3-benzothiazole in the ring-fused imidazole class of GABAAR PAMs was shown to be promising for the development of novel hypnotics, anxiolytics, anticonvulsants, and sedatives drug-candidates.
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Affiliation(s)
- Tatyana A Tikhonova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russia
| | - Irina V Rassokhina
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russia
| | - Eugeny A Kondrakhin
- V. V. Zakusov Institute of Pharmacology, Russian Academy of Sciences, 8 Baltiyskaya Str., 125315 Moscow, Russia
| | - Mikhail A Fedosov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russia
| | - Julia V Bukanova
- Research Center of Neurology, 5 By-str. Obukha, 105064 Moscow, Russia
| | | | - Irina N Sharonova
- Research Center of Neurology, 5 By-str. Obukha, 105064 Moscow, Russia
| | - Georgy I Kovalev
- V. V. Zakusov Institute of Pharmacology, Russian Academy of Sciences, 8 Baltiyskaya Str., 125315 Moscow, Russia
| | - Igor V Zavarzin
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russia
| | - Yulia A Volkova
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 119991 Moscow, Russia.
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20
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Li H, Feng H, Wang F, Huang L. Carboxyl Transfer of α-Keto Acids toward Oxazolidinones via Decarboxylation/Fixation of Liberated CO2. J Org Chem 2019; 84:10380-10387. [DOI: 10.1021/acs.joc.9b01547] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Huiqiong Li
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, China
| | - Huangdi Feng
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, China
| | - Fang Wang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, China
| | - Liliang Huang
- College of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai 201620, China
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21
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Muzalevskiy VM, Sizova ZA, Shastin AV, Nenajdenko VG. Metal-Free Approach to Zolpidem, Alpidem and their Analogues via Amination of Dibromoalkenes Derived from Imidazopyridine and Imidazothiazole. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900279] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | - Zoia A. Sizova
- Department of Chemistry; Lomonosov Moscow State University; 119899 Moscow Russia
| | - Alexey V. Shastin
- Institute of Problems of Chemical Physics; Russian Academy of Sciences; 142432 Chernogolovka Russia
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22
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Jesin I, Nandi GC. Recent Advances in the A3
Coupling Reactions and their Applications. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900001] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Irfana Jesin
- Department of Chemistry; National Institute of Technology; Tiruchirapalli Tamilnadu India
| | - Ganesh Chandra Nandi
- Department of Chemistry; National Institute of Technology; Tiruchirapalli Tamilnadu India
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23
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Wu J, Luo H, Wang T, Sun H, Zhang Q, Chai Y. Diverse synthesis of pyrimido[1,2-a]benzimidazoles and imidazo[2,1-b]benzothiazoles via CuI-catalyzed decarboxylic multicomponent reactions of heterocyclic azoles, aldehydes and alkynecarboxylic acids. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.01.009] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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24
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Li X, Wang T, Lu YJ, Ji S, Huo Y, Liu B. Copper-catalyzed oxidative multicomponent reaction: synthesis of imidazo fused heterocycles with molecular oxygen. Org Biomol Chem 2018; 16:7143-7151. [PMID: 30091779 DOI: 10.1039/c8ob01532e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An oxidative cascade that involves multicomponent reaction comprising a terminal alkyne, 2-amino N-heterocycle, benzyl or allylic bromide with molecular oxygen, delivering densely functionalized imidazo fused heterocycles, is described. This reaction features a cheap catalyst, a green oxidant, and readily available starting materials, which make the overall synthesis applicable in the quick access to relevant pharmaceutical molecules with imidazole derived heterocycles.
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Affiliation(s)
- Xianwei Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, No. 100 Waihuan Xi Road Guangzhou Higher Education Mega Center, Guangzhou, 510006, China.
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25
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Mao XY, Lin XT, Yang M, Chen GS, Liu YL. Organocatalytic Synthesis of gem
-Difluorinated C2-Spiro Indolines and Pyrimido[1,2-a
]benzimidazoles from 2-Alkynyl-3,3-Difluoro-3H
-Indoles. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800716] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xiang-Yu Mao
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, School of Chemistry and Chemical Engineering; Guangzhou University; 230 Wai Huan Xi Road, Guangzhou Higher Education Mega Center Guangzhou 510006 People's Republic of China
| | - Xiao-Tong Lin
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, School of Chemistry and Chemical Engineering; Guangzhou University; 230 Wai Huan Xi Road, Guangzhou Higher Education Mega Center Guangzhou 510006 People's Republic of China
| | - Meng Yang
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, School of Chemistry and Chemical Engineering; Guangzhou University; 230 Wai Huan Xi Road, Guangzhou Higher Education Mega Center Guangzhou 510006 People's Republic of China
| | - Guo-Shu Chen
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, School of Chemistry and Chemical Engineering; Guangzhou University; 230 Wai Huan Xi Road, Guangzhou Higher Education Mega Center Guangzhou 510006 People's Republic of China
| | - Yun-Lin Liu
- Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, School of Chemistry and Chemical Engineering; Guangzhou University; 230 Wai Huan Xi Road, Guangzhou Higher Education Mega Center Guangzhou 510006 People's Republic of China
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26
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Saha A, Jana A, Choudhury LH. Lemon juice mediated multicomponent reactions for the synthesis of fused imidazoles. NEW J CHEM 2018. [DOI: 10.1039/c8nj03480j] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A green approach for the synthesis of diverse medicinally important tricyclic fused imidazoles has been described using one-pot multicomponent reactions in lemon juice as a biocatalyst as well as the reaction medium.
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Affiliation(s)
- Argha Saha
- Department of Chemistry
- Indian Institute of Technology Patna
- Patna-801103
- India
| | - Asim Jana
- Department of Chemistry
- Indian Institute of Technology Patna
- Patna-801103
- India
| | - Lokman H. Choudhury
- Department of Chemistry
- Indian Institute of Technology Patna
- Patna-801103
- India
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