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Singh R, Sindhu J, Devi M, Kumar A, Kumar R, Hussain K, Kumar P. Solid‐Supported Materials‐Based Synthesis of 2‐Substituted Benzothiazoles: Recent Developments and Sanguine Future. ChemistrySelect 2021. [DOI: 10.1002/slct.202101368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Rahul Singh
- Department of Chemistry Kurukshetra University Kurukshetra 136119 INDIA
| | - Jayant Sindhu
- Department of Chemistry COBS&H CCS Haryana Agricultural University Hisar 125004 INDIA
| | - Meena Devi
- Department of Chemistry Kurukshetra University Kurukshetra 136119 INDIA
| | - Ashwani Kumar
- Department of Pharmaceutical Sciences Guru Jambheshwar University of Science and Technology Hisar 125001 INDIA
| | - Ramesh Kumar
- Department of Chemistry Kurukshetra University Kurukshetra 136119 INDIA
| | - Khalid Hussain
- Department of Applied Sciences and Humanities Mewat Engineering College Nuh 122107 INDIA
| | - Parvin Kumar
- Department of Chemistry Kurukshetra University Kurukshetra 136119 INDIA
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Abstract
Traceless solid-phase synthesis represents an ultimate sophisticated synthetic strategy on insoluble supports. Compounds synthesized on solid supports can be released without a trace of the linker that was used to tether the intermediates during the synthesis. Thus, the target products are composed only of the components (atoms, functional groups) inherent to the target core structure. A wide variety of synthetic strategies have been developed to prepare products in a traceless manner, and this review is dedicated to all aspects of traceless solid-phase organic synthesis. Importantly, the synthesis does not need to be carried out on a linker designed for traceless synthesis; most of the synthetic approaches described herein were developed using standard, commercially available linkers (originally devised for solid-phase peptide synthesis). The type of structure prepared in a traceless fashion is not restricted. The individual synthetic approaches are divided into eight sections, each devoted to a different methodology for traceless synthesis. Each section consists of a brief outline of the synthetic strategy followed by a description of individual reported syntheses.
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Affiliation(s)
- Naděžda Cankařová
- Department of Organic Chemistry, Faculty of Science , Palacky University , 17. Listopadu 12 , Olomouc , 771 46 , Czech Republic
| | - Eva Schütznerová
- Department of Organic Chemistry, Faculty of Science , Palacky University , 17. Listopadu 12 , Olomouc , 771 46 , Czech Republic
| | - Viktor Krchňák
- Department of Organic Chemistry, Faculty of Science , Palacky University , 17. Listopadu 12 , Olomouc , 771 46 , Czech Republic.,Department of Chemistry and Biochemistry , University of Notre Dame , 251 Nieuwland Science Center , Notre Dame , Indiana 46556 , United States
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Kim SG, Jung SL, Lee GH, Gong YD. Novel solid-phase parallel synthesis of N-substituted-2-aminobenzo [d]thiazole derivatives via cyclization reactions of 2-iodophenyl thiourea intermediate resin. ACS COMBINATORIAL SCIENCE 2013; 15:29-40. [PMID: 23167943 DOI: 10.1021/co300112b] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel solid-phase methodology has been developed for the synthesis of N-alkyl, N-acyl, and N-sulfonyl-2-aminobenzo[d]thiazole derivatives. The key step in this procedure involves the preparation of polymer-bound 2-aminobenzo[d]thiazole resins 5 by cyclization reaction of 2-iodophenyl thiourea resin 3. The resin-bound 2-iodophenyl thiourea 3 is produced by addition of 2-iodophenyl isothiocyanate 2 to the amine-terminated linker amide resin 1. These core skeleton 2-aminobenzo[d]thiazole resins 5 undergo functionalization reactions with various electrophiles, such as alkyl halides, acid chlorides, and sulfonyl chlorides to generate N-alkyl, N-acyl, and N-sulfonyl-2-aminobenzo[d]thiazole resins 6, 7, and 8, respectively. Finally, N-alkyl, N-acyl, and N-sulfonyl-2-aminobenzo[d]thiazole derivatives 9, 10, and 11 are then generated in good yields and purities by cleavage of the respective resins 6, 7, and 8 using trifluoroacetic acid (TFA) in dichloromethane (DCM).
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Affiliation(s)
- Seul-Gi Kim
- Center for Innovative Drug Library
Research, Department
of Chemistry, College of Science, Dongguk University, 26 Pildong 3-ga, Jung-gu, Seoul 100-715, Korea
| | - Se-Lin Jung
- Center for Innovative Drug Library
Research, Department
of Chemistry, College of Science, Dongguk University, 26 Pildong 3-ga, Jung-gu, Seoul 100-715, Korea
| | - Gee-Hyung Lee
- Center for Innovative Drug Library
Research, Department
of Chemistry, College of Science, Dongguk University, 26 Pildong 3-ga, Jung-gu, Seoul 100-715, Korea
| | - Young-Dae Gong
- Center for Innovative Drug Library
Research, Department
of Chemistry, College of Science, Dongguk University, 26 Pildong 3-ga, Jung-gu, Seoul 100-715, Korea
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Hioki H, Matsushita K, Noda T, Yamaguchi K, Kubo M, Harada K, Fukuyama Y. Solid-phase synthesis of benzothiazoles using an alkoxyamine linker. Tetrahedron Lett 2012. [DOI: 10.1016/j.tetlet.2012.06.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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5
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Matsushita K, Okamoto C, Yoshimoto M, Harada K, Kubo M, Fukuyama Y, Hioki H. Novel alkoxyamine linker to load ketones for solid-phase synthesis: application of the synthesis of 1,4-benzodiazepine-2-ones. JOURNAL OF COMBINATORIAL CHEMISTRY 2010; 12:311-4. [PMID: 20205451 DOI: 10.1021/cc9001795] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kimihito Matsushita
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan
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Coffinier D, El Kaim L, Grimaud L. New Benzotriazole and Benzimidazole Scaffolds from Ugi−Smiles Couplings of Isocyanides. Org Lett 2009; 11:995-7. [DOI: 10.1021/ol8029438] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Didier Coffinier
- Laboratoire Chimie et procédés, Ecole Nationale Supérieure de Techniques Avancées, 32 Bd Victor, 75739 Paris Cedex 15, France
| | - Laurent El Kaim
- Laboratoire Chimie et procédés, Ecole Nationale Supérieure de Techniques Avancées, 32 Bd Victor, 75739 Paris Cedex 15, France
| | - Laurence Grimaud
- Laboratoire Chimie et procédés, Ecole Nationale Supérieure de Techniques Avancées, 32 Bd Victor, 75739 Paris Cedex 15, France
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Kumar A, Maurya RA, Ahmad P. Diversity Oriented Synthesis of Benzimidazole and Benzoxa/(thia)zole Libraries through Polymer-Supported Hypervalent Iodine Reagent. ACTA ACUST UNITED AC 2009; 11:198-201. [DOI: 10.1021/cc8001876] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Atul Kumar
- Medicinal and Process Chemistry Division, Central Drug Research Institute, Lucknow-226001, India
| | - Ram Awatar Maurya
- Medicinal and Process Chemistry Division, Central Drug Research Institute, Lucknow-226001, India
| | - Pervez Ahmad
- Medicinal and Process Chemistry Division, Central Drug Research Institute, Lucknow-226001, India
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Gil C, Bräse S. Solid-Phase Synthesis of Biologically Active Benzoannelated Nitrogen Heterocycles: An Update. ACTA ACUST UNITED AC 2008; 11:175-97. [DOI: 10.1021/cc800102t] [Citation(s) in RCA: 124] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Carmen Gil
- Instituto de Química Médica (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain, and Institut für Organische Chemie, Universität Karlsruhe (TH) and Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
| | - Stefan Bräse
- Instituto de Química Médica (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain, and Institut für Organische Chemie, Universität Karlsruhe (TH) and Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, 76131 Karlsruhe, Germany
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Hioki H, Matsushita K, Nakamura S, Horiuchi H, Kubo M, Harada K, Fukuyama Y. Solid-Phase Combinatorial Synthesis of 2-Arylquinazolines and 2-Arylquinazolinones by an 4-Alkoxyaniline Linker. ACTA ACUST UNITED AC 2008; 10:620-3. [DOI: 10.1021/cc800056c] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hideaki Hioki
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514 Japan
| | - Kimihito Matsushita
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514 Japan
| | - Shosei Nakamura
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514 Japan
| | - Hiroki Horiuchi
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514 Japan
| | - Miwa Kubo
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514 Japan
| | - Kenichi Harada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514 Japan
| | - Yoshiyasu Fukuyama
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514 Japan
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Liu Z, Huang Y, Zhang W, Ma L, Li J, Wang X, Li J, Shen J. Soluble polymer-supported synthesis of 5-arylidene thiazolidinones and pyrimidinones using a novel traceless linker strategy. ACTA ACUST UNITED AC 2008; 10:632-6. [PMID: 18642887 DOI: 10.1021/cc800054e] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient method for the soluble polymer-supported synthesis of 5-arylidene thiazolidinones and pyrimidinones using aniline as a traceless linker was described. Aldehyde substrates were attached to the polyethylene glycol (PEG)-bound aniline via an imine linkage, and after the subsequent PEG-promoted Suzuki coupling reaction for the diversification, Knoevenagel condensation was readily employed as the cleavage strategy.
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Affiliation(s)
- Zhang Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zuchongzhi Road, Shanghai 201203, PR China
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Radi M, Saletti S, Botta M. A one-pot, two-step microwave-assisted synthesis of highly functionalized benzoxazoles using solid-supported reagents (SSRs). Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.05.059] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hioki H, Matsushita K, Kubo M, Harada K, Kodama M, Fukuyama Y. Solid-phase combinatorial synthesis of benzothiazoles, benzimidazoles, and benzoxazoles using a traceless linker. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.08.073] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Dolle RE, Le Bourdonnec B, Goodman AJ, Morales GA, Salvino JM, Zhang W. Comprehensive survey of chemical libraries for drug discovery and chemical biology: 2006. ACTA ACUST UNITED AC 2007; 9:855-902. [PMID: 17877417 DOI: 10.1021/cc700111e] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Roland E Dolle
- Adolor Corporation, 700 Pennsylvania Drive, Exton, Pennsylvania 19341, USA.
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Carpenter RD, Deberdt PB, Lam KS, Kurth MJ. Carbodiimide-based benzimidazole library method. ACTA ACUST UNITED AC 2007; 8:907-14. [PMID: 17096580 DOI: 10.1021/cc060106b] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Using carbodiimide reagents [1,3-diisopropylcarbodiimide or N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride (EDC)], we have developed a mild, generalized, one-pot method that delivers N-2-arylaminobenzimidazole esters from commercially available aryl isothiocyanates and o-phenylenediamines. Following saponification and acidifying, the benzimidazole acids were isolated in overall yields ranging from 75 to 88% from the starting aryl isothiocyanates. Nine benzimidazole acids were converted into a library consisting of 180 benzimidazole amides following EDC coupling with commercially available amines. The National Institute of General Medical Science will dispense these benzimidazole amides to academia groups for pilot scale biomedical studies. Using these mild conditions and environmentally safe reagents, we demonstrated that these pharmaceutically ornate heterocycles can also be constructed on solid support.
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Affiliation(s)
- Richard D Carpenter
- Department of Chemistry, University of California, Davis, Davis, California 95616, USA
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