1
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Arockiaraj M, Rajeshkumar V. Iodine-promoted sequential C(sp 3)-H oxidation and cyclization of aryl methyl ketones with 2-(2-aminophenyl)quinazolin-4(3 H)-ones. Org Biomol Chem 2024. [PMID: 39145634 DOI: 10.1039/d4ob01146e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2024]
Abstract
An I2-promoted, metal-free protocol has been developed for the one-pot synthesis of 6-aroyl-5,6-dihydro-8H-quinazolino[4,3-b]quinazolin-8-ones from readily accessible substrates. This reaction involves the in situ sp3 C-H oxidation of aryl methyl ketones to phenylglyoxal, followed by imine formation and intramolecular nucleophilic addition, resulting in the formation of two new C-N bonds. Furthermore, the method is applicable to a wide range of aryl methyl ketones, including heterocycles and drug-derived substrates, yielding the desired products with yields ranging from 62% to 93%. Additionally, the practical utility of this approach was demonstrated through gram-scale synthesis.
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Affiliation(s)
- Mariyaraj Arockiaraj
- Organic Synthesis & Catalysis Lab, Department of Chemistry, National Institute of Technology Warangal, Hanumakonda - 506004, Telangana, India.
| | - Venkatachalam Rajeshkumar
- Organic Synthesis & Catalysis Lab, Department of Chemistry, National Institute of Technology Warangal, Hanumakonda - 506004, Telangana, India.
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2
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Baliza LRSP, Freitas TR, Gonçalves EKS, Antunes GR, Souza AJF, Yoneda J, Duarte CL, Andrade SN, de Paula Sabino A, Varotti FP, Sangi DP. Synthesis and cytotoxic evaluation of heterocyclic compounds by vinylic substitution of ketene dithioacetals. Chem Biol Drug Des 2024; 104:e14581. [PMID: 38997237 DOI: 10.1111/cbdd.14581] [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: 03/20/2024] [Revised: 05/27/2024] [Accepted: 07/01/2024] [Indexed: 07/14/2024]
Abstract
N-heterocyclic compounds are important molecular scaffolds in the search for new drugs, since most drugs contain heterocyclic moieties in their molecular structure, and some of these classes of heterocycles are able to provide ligands for two or more biological targets. Ketene dithioacetals are important building blocks in organic synthesis and are widely used in the synthesis of N-heterocyclic compounds. In this work, we used double vinylic substitution reactions on ketene dithioacetals to synthesize a small library of heterocyclic derivatives and evaluated their cytotoxic activity in breast and ovarian cancer cells, identifying two benzoxazoles with good potency and selectivity. In silico predictions indicate that the two most active derivatives exhibit physicochemical properties within the range of drug-like compounds and showed potential to interact with HDAC8 and ERK1 cancer-related targets.
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Affiliation(s)
- Larissa R S P Baliza
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Túlio R Freitas
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Edward K S Gonçalves
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Gabriel R Antunes
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Ana J F Souza
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Julliane Yoneda
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal Fluminense, Rio de Janeiro, Brazil
| | - Caique Lopes Duarte
- Centro de Ciências da Saúde, Universidade Federal de São João Del-Rei, Divinópolis, Minas Gerais, Brazil
| | - Silmara N Andrade
- Centro de Ciências da Saúde, Universidade Federal de São João Del-Rei, Divinópolis, Minas Gerais, Brazil
| | - Adriano de Paula Sabino
- Departamento de Análises Clínicas e Toxicológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Fernando P Varotti
- Centro de Ciências da Saúde, Universidade Federal de São João Del-Rei, Divinópolis, Minas Gerais, Brazil
| | - Diego P Sangi
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal Fluminense, Rio de Janeiro, Brazil
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3
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Huang YT, Huang WW, Huang YT, Chen HR, Barve IJ, Sun CM. Substrate-Controlled Divergent Synthesis of Benzimidazole-Fused Quinolines and Spirocyclic Benzimidazole-Fused Isoindoles. J Org Chem 2024; 89:7513-7520. [PMID: 38722245 PMCID: PMC11165576 DOI: 10.1021/acs.joc.4c00164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 04/24/2024] [Accepted: 04/29/2024] [Indexed: 06/13/2024]
Abstract
A Rh(III)-catalyzed annulation of 2-arylbenzimidazoles with α-diazo carbonyl compounds via C-H activation/carbene insertion/intramolecular cyclization is explored. The switchable product selectivity is achieved by the use of distinct α-diazo carbonyl compounds. Benzimidazole-fused quinolines are obtained through [4 + 2] annulation exclusively when 2-diazocyclohexane-1,3-diones are used, where they act as a C2 synthon. Alternatively, diazonaphthalen-1(2H)-ones merely function as a one-carbon unit synthon to generate a quaternary center through [4 + 1] cyclization to afford spirocyclic benzimidazole-fused isoindole naphthalen-2-ones. A thorough mechanistic study reveals the course of the reaction.
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Affiliation(s)
- Ying-Ti Huang
- Department
of Applied Chemistry, National Yang Ming
Chiao Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan ROC
| | - Wan-Wen Huang
- Department
of Applied Chemistry, National Yang Ming
Chiao Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan ROC
| | - Yi-Ting Huang
- Department
of Applied Chemistry, National Yang Ming
Chiao Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan ROC
| | - Hong-Ren Chen
- Department
of Applied Chemistry, National Yang Ming
Chiao Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan ROC
| | - Indrajeet J. Barve
- Department
of Chemistry, MES Abasaheb Garware College, Pune 411004, Maharashtra India
| | - Chung-Ming Sun
- Department
of Applied Chemistry, National Yang Ming
Chiao Tung University, 1001 Ta-Hsueh Road, Hsinchu 300-10, Taiwan ROC
- Department
of Medicinal and Applied Chemistry, Kaohsiung
Medical University, 100,
Shih-Chuan first Road, Kaohsiung 807-08, Taiwan ROC
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4
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Luo W, Zheng X, Zhang F, Luo Q, Deng WT, Long L, Yu D, Wang ZX, Chen Z. Synthesis of functionalized tetrahydrodibenzo[ b, g][1,8]naphthyridin-1(2 H)-ones through base-promoted annulation of quinoline-derived dipolarophiles and cyclic enaminones. Org Biomol Chem 2023. [PMID: 37997680 DOI: 10.1039/d3ob01547e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
An eco-friendly and metal-free method for the synthesis of tetrahydrodibenzo[b,g][1,8]naphthyridin-1(2H)-ones was established. Quinoline-derived dipolarophiles and cyclic enaminones as starting materials undergo a 1,4-Michael addition/SNAr tandem annulation reaction affording the target products. This approach features transition metal-free conditions, good functional group tolerance and operational simplicity.
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Affiliation(s)
- Wenjun Luo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Xinghua Zheng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Fanglian Zhang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Qiuya Luo
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Wen-Ting Deng
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Lipeng Long
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Daohong Yu
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Zhong-Xia Wang
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
| | - Zhengwang Chen
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, Ganzhou 341000, P.R. China.
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5
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Alkubaisi BO, Ravi A, Srikanth G, Sebastian A, Khanfar MA, El-Gamal MI, Sieburth SM, Shahin AI, Al-Tel TH. Divergent Protocol for the Synthesis of Isoquinolino[1,2- b]quinazolinone and Isoquinolino[2,1- a]quinazolinone Derivatives. J Org Chem 2023; 88:4244-4253. [PMID: 36926917 DOI: 10.1021/acs.joc.2c02791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
The development of robust and step-economic strategies to access structurally diverse drug-like compound collections remains a challenge. A distinct structural option that constitutes the core scaffold of many biologically significant molecules is the quinazolinone ring system. Several members of this family of privileged substructures have gained attention due to their diverse biological activities. In this context, the development of an efficient strategy for their access is needed. Herein, we report a divergent metal-free operation to access a diverse collection of C6-substituted pyrrolo[4',3',2':4,5]isoquinolino[1,2-b]quinazolin-8(6H)-one and pyrrolo[4',3',2':4,5]isoquinolino[2,1-a]quinazolin-12(6H)-one architectures. The described cascade unites Friedel-Crafts and aza-Michael addition reactions. This operationally simple protocol enables a rapid access to these scaffolds and is compatible with a wide scope of starting materials. In addition, the cascade features a promising approach for the design of unique compound libraries for drug design and discovery programs.
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Affiliation(s)
- Bilal O Alkubaisi
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Anil Ravi
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Gourishetty Srikanth
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah 26666, United Arab Emirates
| | - Anusha Sebastian
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Monther A Khanfar
- College of Science, Department of Chemistry, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Mohammed I El-Gamal
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates.,Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Scott McN Sieburth
- Department of Chemistry, Temple University, 201 Beury Hall, Philadelphia, Pennsylvania 19122, United States
| | - Afnan I Shahin
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates
| | - Taleb H Al-Tel
- Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates.,Department of Medicinal Chemistry, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
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6
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Shi R, Wang X, Zhang X, Chen S, Wang ZL, Qi H, Xu XM. Acid/Base-Steered Cascade Cyclization: An Efficient One-Pot Access to Diverse Isobenzofuranone and Isoindolobenzoxazinone Derivatives. Molecules 2023; 28:molecules28031443. [PMID: 36771107 PMCID: PMC9921644 DOI: 10.3390/molecules28031443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/28/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
We herein report the acid/base-steered two distinct reaction pathways of 2-acylbenzoic acids with isatoic anhydrides. In the presence of Na2CO3, the cascade process consists of the cyclization of 2-acetylbenzoic acid and nucleophilic ring-opening reaction of isatoic anhydride to furnish isobenzofuranone derivatives with high efficiency. However, p-toluenesulfonic acid can promote the product isobenzofuranones to undergo sequential intramolecular rearrangment, nucleophilic addition and cyclization reaction to produce diverse isoindolobenzoxazinones in good yields. The synthetic utility of this method was further demonstrated by the gram-scale preparation of the desired products and the facile transformations of the resulting products.
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Affiliation(s)
- Ran Shi
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Xiangmin Wang
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
- Correspondence: (X.W.); (Z.-L.W.); (X.-M.X.)
| | - Xuesi Zhang
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Sen Chen
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Zu-Li Wang
- National Engineering Research Center of Low-Carbon Processing and Utilization of Forest Biomass, Nanjing Forestry University, Nanjing 210037, China
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
- Correspondence: (X.W.); (Z.-L.W.); (X.-M.X.)
| | - Huijing Qi
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Xin-Ming Xu
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
- Correspondence: (X.W.); (Z.-L.W.); (X.-M.X.)
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7
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Xu XM, Shi R, Li W, Zhang X, Chen S, Wang ZL, Wang X. One-Pot Synthesis of Diverse Isoindolobenzoxazinone and Isoindoloquinazolinone Derivatives through a Transition Metal-Free Cascade Cyclization. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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8
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Yim J, Lee J, Yi S, Koo JY, Oh S, Park H, Kim SS, Bae MA, Park J, Park SB. Phenotype-based screening rediscovered benzopyran-embedded microtubule inhibitors as anti-neuroinflammatory agents by modulating the tubulin-p65 interaction. Exp Mol Med 2022; 54:2200-2209. [PMID: 36509830 PMCID: PMC9743128 DOI: 10.1038/s12276-022-00903-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/28/2022] [Accepted: 10/13/2022] [Indexed: 12/14/2022] Open
Abstract
Neuroinflammation is one of the critical processes implicated in central nervous system (CNS) diseases. Therefore, alleviating neuroinflammation has been highlighted as a therapeutic strategy for treating CNS disorders. However, the complexity of neuroinflammatory processes and poor drug transport to the brain are considerable hurdles to the efficient control of neuroinflammation using small-molecule therapeutics. Thus, there is a significant demand for new chemical entities (NCEs) targeting neuroinflammation. Herein, we rediscovered benzopyran-embedded tubulin inhibitor 1 as an anti-neuroinflammatory agent via phenotype-based screening. A competitive photoaffinity labeling study revealed that compound 1 binds to tubulin at the colchicine-binding site. Structure-activity relationship analysis of 1's analogs identified SB26019 as a lead compound with enhanced anti-neuroinflammatory efficacy. Mechanistic studies revealed that upregulation of the tubulin monomer was critical for the anti-neuroinflammatory activity of SB26019. We serendipitously found that the tubulin monomer recruits p65, inhibiting its translocation from the cytosol to the nucleus and blocking NF-κB-mediated inflammatory pathways. Further in vivo validation using a neuroinflammation mouse model demonstrated that SB26019 suppressed microglial activation by downregulating lba-1 and proinflammatory cytokines. Intraperitoneal administration of SB26019 showed its therapeutic potential as an NCE for successful anti-neuroinflammatory regulation. Along with the recent growing demands on tubulin modulators for treating various inflammatory diseases, our results suggest that colchicine-binding site-specific modulation of tubulins can be a potential strategy for preventing neuroinflammation and treating CNS diseases.
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Affiliation(s)
- Junhyeong Yim
- grid.31501.360000 0004 0470 5905Department of Biophysics and Chemical Biology, Seoul National University, Seoul, 08826 Korea
| | - Jaeseok Lee
- grid.412010.60000 0001 0707 9039Department of Chemistry, Kangwon National University, Chuncheon, 24341 Korea
| | - Sihyeong Yi
- grid.31501.360000 0004 0470 5905CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826 Korea
| | - Ja Young Koo
- grid.31501.360000 0004 0470 5905CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826 Korea
| | - Sangmi Oh
- grid.31501.360000 0004 0470 5905CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826 Korea
| | - Hankum Park
- grid.31501.360000 0004 0470 5905CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826 Korea ,grid.31501.360000 0004 0470 5905Present Address: Department of Dental Sciences, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, 08826 Korea
| | - Seong Soon Kim
- grid.29869.3c0000 0001 2296 8192Bio Platform Technology Research Center, Korea Research Institute of Chemical Technology, Daejeon, 34114 Korea
| | - Myung Ae Bae
- grid.29869.3c0000 0001 2296 8192Bio Platform Technology Research Center, Korea Research Institute of Chemical Technology, Daejeon, 34114 Korea ,grid.412786.e0000 0004 1791 8264Department of Medicinal Chemistry and Pharmacology, University of Science & Technology, Daejeon, 34114 Korea
| | - Jongmin Park
- grid.412010.60000 0001 0707 9039Department of Chemistry, Kangwon National University, Chuncheon, 24341 Korea ,grid.412010.60000 0001 0707 9039Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon, 24341 Korea
| | - Seung Bum Park
- grid.31501.360000 0004 0470 5905Department of Biophysics and Chemical Biology, Seoul National University, Seoul, 08826 Korea ,grid.31501.360000 0004 0470 5905CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826 Korea
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9
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Dasaradhan C, Nawaz Khan FR. Synthesis of 2, 4-Disubstituted Quinazolines via One-Pot Three-Component Assembly. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2021.1876112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Changalaraya Dasaradhan
- Organic and Medicinal Chemistry Research Laboratory, Organic Chemistry Division, School of Advanced Sciences, VIT University, Vellore, India
| | - Fazlur-Rahman Nawaz Khan
- Organic and Medicinal Chemistry Research Laboratory, Organic Chemistry Division, School of Advanced Sciences, VIT University, Vellore, India
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10
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Choi Y, Lee S, Kim H, Park SB. Design and Synthesis of Conformationally Diverse Pyrimidine-Embedded Medium/Macro- and Bridged Cycles via Skeletal Transformation. Front Chem 2022; 10:841250. [PMID: 35444999 PMCID: PMC9014854 DOI: 10.3389/fchem.2022.841250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 03/02/2022] [Indexed: 11/13/2022] Open
Abstract
The rigidity and flexibility of small molecules are complementary in 3-dimensional ligand-protein interaction. Therefore, the chemical library with conformational diversity would be a valuable resource for investigating the influence of skeletal flexibility on the biological system. In this regard, we designed and synthesized ten conformationally diverse pyrimidine-embedded medium/macro- and bridged cyclic scaffolds covering 7- to 14-member rings via an efficient skeletal transformation strategy. Their high conformational and shape diversity was confirmed by chemoinformatic analysis.
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Affiliation(s)
- Yoona Choi
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, South Korea
| | - Subin Lee
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, South Korea
| | - Heejun Kim
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, South Korea
| | - Seung Bum Park
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, South Korea
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11
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Li W, Wan B, Shi R, Chen S, Li J, Wang F, Niu H, Xu XM, Wang WL. Catalyst-free one-pot cascade cyclization: An efficient synthesis of isoindolobenzoxazinones and isoindoloquinazolinones derivatives. Tetrahedron 2022. [DOI: 10.1016/j.tet.2021.132571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Li HH, Zhang YP, Zhai TY, Liu BY, Shi CY, Zhou JM, Ye LW. Metal-free dearomatization reactions of naphthol-ynamides for the divergent and enantioselective synthesis of azaspirocycles. Org Chem Front 2022. [DOI: 10.1039/d2qo00685e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient Brønsted acid (BA) catalyzed intramolecular dearomatization cyclization of naphthol-ynamides has been developed, enabling the practical and divergent synthesis of two azaspirocycles in high yields.
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Affiliation(s)
- Hang-Hao Li
- Key Laboratory for Chemical Biology of Fujian Province and State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yi-Ping Zhang
- Key Laboratory for Chemical Biology of Fujian Province and State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Tong-Yi Zhai
- Key Laboratory for Chemical Biology of Fujian Province and State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Bin-Yang Liu
- Key Laboratory for Chemical Biology of Fujian Province and State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Chong-Yang Shi
- Key Laboratory for Chemical Biology of Fujian Province and State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jin-Mei Zhou
- Key Laboratory for Chemical Biology of Fujian Province and State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Long-Wu Ye
- Key Laboratory for Chemical Biology of Fujian Province and State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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13
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Whitmarsh-Everiss T, Olsen AH, Laraia L. Identification of Inhibitors of Cholesterol Transport Proteins Through the Synthesis of a Diverse, Sterol-Inspired Compound Collection. Angew Chem Int Ed Engl 2021; 60:26755-26761. [PMID: 34626154 DOI: 10.1002/anie.202111639] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Indexed: 12/26/2022]
Abstract
Cholesterol transport proteins regulate a vast array of cellular processes including lipid metabolism, vesicular and non-vesicular trafficking, organelle contact sites, and autophagy. Despite their undoubted importance, the identification of selective modulators of this class of proteins has been challenging due to the structural similarities in the cholesterol-binding site. Herein we report a general strategy for the identification of selective inhibitors of cholesterol transport proteins via the synthesis of a diverse sterol-inspired compound collection. Fusion of a primary sterol fragment to an array of secondary privileged scaffolds led to the identification of potent and selective inhibitors of the cholesterol transport protein Aster-C, which displayed a surprising preference for the unnatural-sterol AB-ring stereochemistry and new inhibitors of Aster-A. We propose that this strategy can and should be applied to any therapeutically relevant sterol-binding protein.
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Affiliation(s)
- Thomas Whitmarsh-Everiss
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800, Kongens Lyngby, Denmark
| | - Asger Hegelund Olsen
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800, Kongens Lyngby, Denmark
| | - Luca Laraia
- Department of Chemistry, Technical University of Denmark, Kemitorvet 207, 2800, Kongens Lyngby, Denmark
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14
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Whitmarsh‐Everiss T, Olsen AH, Laraia L. Identification of Inhibitors of Cholesterol Transport Proteins Through the Synthesis of a Diverse, Sterol‐Inspired Compound Collection. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202111639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Thomas Whitmarsh‐Everiss
- Department of Chemistry Technical University of Denmark Kemitorvet 207 2800 Kongens Lyngby Denmark
| | - Asger Hegelund Olsen
- Department of Chemistry Technical University of Denmark Kemitorvet 207 2800 Kongens Lyngby Denmark
| | - Luca Laraia
- Department of Chemistry Technical University of Denmark Kemitorvet 207 2800 Kongens Lyngby Denmark
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15
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Bhuyan S, Das D, Chakraborty A, Mandal S, Dhanabal K, Roy BG. A Carbohydrate-based Synthetic Approach to Diverse Structurally and Stereochemically Complex Chiral Polyheterocycles. Chem Asian J 2021; 16:4108-4121. [PMID: 34706155 DOI: 10.1002/asia.202101123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 10/22/2021] [Indexed: 12/27/2022]
Abstract
Chiral polyheterocycles are one of the most frequently encountered scaffolds in natural products and in current drugs repertoire. A carbohydrate-based diversity oriented synthetic (DOS) approach has been employed for gaining access to many structurally diverse and stereochemically complex rigid polyheterocyclic molecules with multiple chiral hydroxyl groups to enhance aqueous solubility. Inexpensive chiral pool of D-Glucose has been judiciously exploited to get access of complex chiral polyheterocyclic structures using inexpensive, common achiral reagents and domino-Knoevenagel hetero-Diels-Alder (DKHDA) reaction as one of the key synthetic tools. Stereochemistry of newly generated stereocenters of polycyclic structures are unambiguously determined through NMR and X-ray crystallographic study. A chemoinformatic comparison (PCA and PMI) with 40 branded blockbuster drugs showed that newly generated polyheterocycles have good three-dimensional scaffold diversity and most of these pass the Lipinski filter of drug-likeness.
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Affiliation(s)
- Samuzal Bhuyan
- Department of Chemistry, Sikkim University, 6th Mile, Tadong, Gangtok, Sikkim, 737102, India
| | - Dharmendra Das
- Department of Chemistry, Sikkim University, 6th Mile, Tadong, Gangtok, Sikkim, 737102, India
| | - Amit Chakraborty
- Department of Mathematics, Sikkim University, 6th Mile, Tadong, Gangtok, Sikkim, 737102, India
| | - Susanta Mandal
- Department of Chemistry, Sikkim University, 6th Mile, Tadong, Gangtok, Sikkim, 737102, India
| | | | - Biswajit Gopal Roy
- Department of Chemistry, Sikkim University, 6th Mile, Tadong, Gangtok, Sikkim, 737102, India
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16
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Varun BV, Vaithegi K, Yi S, Park SB. Nature-inspired remodeling of (aza)indoles to meta-aminoaryl nicotinates for late-stage conjugation of vitamin B 3 to (hetero)arylamines. Nat Commun 2020; 11:6308. [PMID: 33298909 PMCID: PMC7726565 DOI: 10.1038/s41467-020-19610-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 10/14/2020] [Indexed: 12/16/2022] Open
Abstract
Despite the availability of numerous routes to substituted nicotinates based on the Bohlmann–Rahtz pyridine synthesis, the existing methods have several limitations, such as the inevitable ortho-substitutions and the inability to conjugate vitamin B3 to other pharmaceutical agents. Inspired by the biosynthesis of nicotinic acid (a form of vitamin B3) from tryptophan, we herein report the development of a strategy for the synthesis of meta-aminoaryl nicotinates from 3-formyl(aza)indoles. Our strategy is mechanistically different from the reported routes and involves the transformation of (aza)indole scaffolds into substituted meta-aminobiaryl scaffolds via Aldol-type addition and intramolecular cyclization followed by C–N bond cleavage and re-aromatization. Unlike previous synthetic routes, this biomimetic method utilizes propiolates as enamine precursors and thus allows access to ortho-unsubstituted nicotinates. In addition, the synthetic feasibility toward the halo-/boronic ester-substituted aminobiaryls clearly differentiates the present strategy from other cross-coupling strategies. Most importantly, our method enables the late-stage conjugation of bioactive (hetero)arylamines with nicotinates and nicotinamides and allows access to the previously unexplored chemical space for biomedical research. Vitamin B3 derivatives display a range of biological activities. Here, the authors report the synthesis of meta-aminoaryl nicotinates, derivatives of vitamin B3, and their late-stage conjugation with (hetero)arylamines, ultimately expanding the chemical space for biomedical research.
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Affiliation(s)
- Begur Vasanthkumar Varun
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea
| | - Kannan Vaithegi
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea
| | - Sihyeong Yi
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seung Bum Park
- CRI Center for Chemical Proteomics, Department of Chemistry, Seoul National University, Seoul, 08826, Republic of Korea.
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17
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Wang B, Peng F, Huang W, Zhou J, Zhang N, Sheng J, Haruehanroengra P, He G, Han B. Rational drug design, synthesis, and biological evaluation of novel chiral tetrahydronaphthalene-fused spirooxindole as MDM2-CDK4 dual inhibitor against glioblastoma. Acta Pharm Sin B 2020; 10:1492-1510. [PMID: 32963945 PMCID: PMC7488488 DOI: 10.1016/j.apsb.2019.12.013] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 11/17/2019] [Accepted: 12/12/2019] [Indexed: 02/08/2023] Open
Abstract
Simultaneous inhibition of MDM2 and CDK4 may be an effective treatment against glioblastoma. A collection of chiral spirocyclic tetrahydronaphthalene (THN)-oxindole hybrids for this purpose have been developed. Appropriate stereochemistry in THN-fused spirooxindole compounds is key to their inhibitory activity: selectivity differed by over 40-fold between the least and most potent stereoisomers in time-resolved FRET and KINOMEscan® in vitro assays. Studies in glioblastoma cell lines showed that the most active compound ent-4g induced apoptosis and cell cycle arrest by interfering with MDM2 -P53 interaction and CDK4 activation. Cells treated with ent-4g showed up-regulation of proteins involved in P53 and cell cycle pathways. The compound showed good anti-tumor efficacy against glioblastoma xenografts in mice. These results suggested that rational design, asymmetric synthesis and biological evaluation of novel tetrahydronaphthalene fused spirooxindoles could generate promising MDM2-CDK4 dual inhibitors in glioblastoma therapy.
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18
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Cui HL. FeCl 2 catalyzed direct modification of dihydropyrrolo[2,1-a]isoquinolines with phenols. Org Biomol Chem 2020; 18:4085-4089. [PMID: 32427273 DOI: 10.1039/d0ob00917b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A mild catalytic modification of dihydropyrrolo[2,1-a]isoquinolines with various phenols via the formation of heteroarene cation radicals as key intermediates has been developed. A range of direct cross-coupling products could be obtained in acceptable to excellent yields (up to 98%) in the presence of FeCl2.
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Affiliation(s)
- Hai-Lei Cui
- Laboratory of Asymmetric Synthesis, Chongqing University of Arts and Sciences, 319 Honghe Ave., Yongchuan, Chongqing, 402160, PR China.
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19
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Kumaravel K, Rajarathinam B, Vasuki G. Water-triggered union of multi-component reactions towards the synthesis of a 4 H-chromene hybrid scaffold. RSC Adv 2020; 10:29109-29113. [PMID: 35521150 PMCID: PMC9055991 DOI: 10.1039/d0ra05105e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 07/13/2020] [Indexed: 12/18/2022] Open
Abstract
An unprecedented union of multi-component reactions to construct pyrazole- and pyranopyrazole-adorned 4H-chromene from simple reactants in water at ambient temperature is reported. This innovative tactic has integrated two distinct four-component reactions (4CRs) that occur transiently to form four new heterocycles via ten covalent bonds in a single step. A union of multi-component reactions to construct pyrazole- and pyranopyrazole-adorned 4H-chromene from simple reactants in water at RT is reported. 2 distinct four-component reactions occur transiently to form 4 new heterocycles via 10 covalent bonds in a single step.![]()
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20
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Cai H, Yang H, Xu J, Bao H, Huang L, Zhang H, Zhang P, Li W. Transition‐Metal‐Free C2‐H Sulfonylation of Quinoline
N
‐Oxides via Insertion of Sulfur Dioxide. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900548] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Heng Cai
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
| | - Huiyong Yang
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
| | - Jun Xu
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
| | - Hanyang Bao
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
| | - Lin Huang
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
| | - Hongdou Zhang
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
| | - Pengfei Zhang
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
| | - Wanmei Li
- College of Material Chemistry and Chemical EngineeringHangzhou Normal University Hangzhou 310036 P. R. China
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21
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Yuan C, Tan H, Jiang X, Liu S, Jiang L, Cao Q, Xu X, Deng X, Pan G, Chen J, Cui H. Phosphine‐Catalyzed [3+2] Cycloaddition and Vinylation of Indole‐Derived α,α‐Dicyanoolefins with γ‐Substituted Allenoates. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900393] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Chang Yuan
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Hao Tan
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Xue‐Fei Jiang
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Si Liu
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Lu Jiang
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Qi‐Ying Cao
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Xing‐Jie Xu
- Key Laboratory of Molecular Target & Clinical Pharmacology, School of Pharmaceutical Sciences & the Fifth Affiliated HospitalGuangzhou Medical University Guangzhou, Guangdong 511436 China
| | - Xiao‐Yan Deng
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Guan‐Nan Pan
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Jian‐Yang Chen
- Chongqing Key Laboratory of Environmental Materials and Remediation TechnologiesChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
| | - Hai‐Lei Cui
- Laboratory of Asymmetric SynthesisChongqing University of Arts and Sciences 319 Honghe Ave. Yongchuan, Chongqing 402160 China
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22
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Wang B, Wang XH, Huang W, Zhou J, Zhu HP, Peng C, Han B. Protecting Group-Directed Diastereodivergent Synthesis of Chiral Tetrahydronaphthalene-Fused Spirooxindoles via Bifunctional Tertiary Amine Catalysis. J Org Chem 2019; 84:10349-10361. [DOI: 10.1021/acs.joc.9b01501] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Biao Wang
- Key Laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xiao-Hui Wang
- Department of Pharmacy, Naval Authorities Clinic, Beijing 100841, China
| | - Wei Huang
- Key Laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jin Zhou
- Key Laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Hong-Ping Zhu
- Key Laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Cheng Peng
- Key Laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Bo Han
- Key Laboratory of Characteristic Chinese Resource in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
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23
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Li X, Chen FY, Kang JW, Zhou J, Peng C, Huang W, Zhou MK, He G, Han B. Stereoselective Assembly of Multifunctional Spirocyclohexene Pyrazolones That Induce Autophagy-Dependent Apoptosis in Colorectal Cancer Cells. J Org Chem 2019; 84:9138-9150. [PMID: 31267754 DOI: 10.1021/acs.joc.9b01098] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xiang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fei-Yu Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jing-Wen Kang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Jin Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Cheng Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Wei Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Mu-Ke Zhou
- State Key Laboratory of Biotherapy and Department of Dermatology, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Gu He
- State Key Laboratory of Biotherapy and Department of Dermatology, West China Hospital, Sichuan University and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
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24
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Green and Facile Assembly of Diverse Fused N-Heterocycles Using Gold-Catalyzed Cascade Reactions in Water. Molecules 2019; 24:molecules24050988. [PMID: 30862100 PMCID: PMC6429411 DOI: 10.3390/molecules24050988] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Revised: 03/01/2019] [Accepted: 03/04/2019] [Indexed: 12/30/2022] Open
Abstract
The present study describes an AuPPh3Cl/AgSbF6-catalyzed cascade reaction between amine nucleophiles and alkynoic acids in water. This process proceeds in high step economy with water as the sole coproduct, and leads to the generation of two rings, together with the formation of three new bonds in a single operation. This green cascade process exhibits valuable features such as low catalyst loading, good to excellent yields, high efficiency in bond formation, excellent selectivity, great tolerance of functional groups, and extraordinarily broad substrate scope. In addition, this is the first example of the generation of an indole/thiophene/pyrrole/pyridine/naphthalene/benzene-fused N-heterocycle library through gold catalysis in water from readily available materials. Notably, the discovery of antibacterial molecules from this library demonstrates its high quality and potential for the identification of active pharmaceutical ingredients.
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25
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Ibarra IA, Islas-Jácome A, González-Zamora E. Synthesis of polyheterocycles via multicomponent reactions. Org Biomol Chem 2019; 16:1402-1418. [PMID: 29238790 DOI: 10.1039/c7ob02305g] [Citation(s) in RCA: 142] [Impact Index Per Article: 28.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Polyheterocycles are one of the most desired synthetic targets due to their numerous and valuable applications in various fields. Multicomponent reactions (MCRs) are highly convergent one-pot processes, in which three or more reagents are combined sequentially to construct complex products, with almost all the atoms coming from the starting reagents. In this context, the syntheses of 'heterocycles' via MCR-based processes have been reviewed a number of times. However, there is not a single review (recent or otherwise) covering the synthesis of 'polyheterocycles' via a direct MCR or via a one-pot process involving MCRs coupled to further cyclizations (via ionic, metal-catalyzed, pericyclic, or free-radical-mediated cyclizations). This issue is consequently the main topic of the present review, which considers work from the last decade. The work is categorized according to the key processes involved in the syntheses of polyheterocycles, aiming to give readers an easy understanding of this MCR-based chemistry and to provide insights for further investigations. The reaction mechanisms providing novel elements to these MCR-based methods for the synthesis of polyheterocycles are also discussed.
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Affiliation(s)
- Ilich A Ibarra
- Laboratorio de Fisicoquímica y Reactividad de Superficies (LaFReS), Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior s/n, CU, Del. Coyoacán, 04510, Ciudad de México, Mexico
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26
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Qiao J, Jia X, Li P, Liu X, Zhao J, Zhou Y, Wang J, Liu H, Zhao F. Gold‐catalyzed Rapid Construction of Nitrogen‐containing Heterocyclic Compound Library with Scaffold Diversity and Molecular Complexity. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801494] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Jin Qiao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of AntibioticsChengdu University 168 Hua Guan Road Chengdu 610052 People's Republic of China
| | - Xiuwen Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of AntibioticsChengdu University 168 Hua Guan Road Chengdu 610052 People's Republic of China
| | - Pinyi Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of AntibioticsChengdu University 168 Hua Guan Road Chengdu 610052 People's Republic of China
| | - Xiaoyan Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of AntibioticsChengdu University 168 Hua Guan Road Chengdu 610052 People's Republic of China
| | - Jingwei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of AntibioticsChengdu University 168 Hua Guan Road Chengdu 610052 People's Republic of China
| | - Yu Zhou
- State Key Laboratory of Drug Research and CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia MedicaChinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 People's Republic of China
- University of Chinese Academy of Sciences No.19 A Yuquan Road Beijing 100049 People's Republic of China
| | - Jiang Wang
- State Key Laboratory of Drug Research and CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia MedicaChinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 People's Republic of China
- University of Chinese Academy of Sciences No.19 A Yuquan Road Beijing 100049 People's Republic of China
| | - Hong Liu
- State Key Laboratory of Drug Research and CAS Key Laboratory of Receptor Research, Shanghai Institute of Materia MedicaChinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 People's Republic of China
- University of Chinese Academy of Sciences No.19 A Yuquan Road Beijing 100049 People's Republic of China
| | - Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of AntibioticsChengdu University 168 Hua Guan Road Chengdu 610052 People's Republic of China
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27
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He Y, Wu D, Li Z, Robeyns K, Van Meervelt L, Van der Eycken EV. Facile construction of diverse polyheterocyclic scaffolds via gold-catalysed dearomative spirocyclization/1,6-addition cascade. Org Biomol Chem 2019; 17:6284-6292. [DOI: 10.1039/c9ob01299k] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A post-Ugi gold-catalysed chemo- and diastereo-selective cascade dearomative spirocyclization/1,6-addition sequence is disclosed for the facile synthesis of diverse fused polyheterocyclic scaffolds bearing indole, pyrrole, benzothiophene, furan or electron-rich arene cores.
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Affiliation(s)
- Yi He
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- KU Leuven
- Leuven
- Belgium
| | - Danjun Wu
- College of Pharmaceutical Science
- Zhejiang University of Technology
- 310014 Hangzhou
- China
| | - Zhenghua Li
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- KU Leuven
- Leuven
- Belgium
| | - Koen Robeyns
- Institute of Condensed Matter and Nanosciences (IMCN)
- Université Catholique de Louvain
- B-1348 Louvain-la-Neuve
- Belgium
| | - Luc Van Meervelt
- Biomolecular Architecture
- Department of Chemistry
- KU Leuven
- Leuven
- Belgium
| | - Erik V. Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC)
- Department of Chemistry
- KU Leuven
- Leuven
- Belgium
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28
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Yi S, Varun BV, Choi Y, Park SB. A Brief Overview of Two Major Strategies in Diversity-Oriented Synthesis: Build/Couple/Pair and Ring-Distortion. Front Chem 2018; 6:507. [PMID: 30406085 PMCID: PMC6204370 DOI: 10.3389/fchem.2018.00507] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 10/03/2018] [Indexed: 12/13/2022] Open
Abstract
In the interdisciplinary research field of chemical biology and drug discovery, diversity-oriented synthesis (DOS) has become indispensable in the construction of novel small-molecule libraries rich in skeletal and stereochemical diversity. DOS aims to populate the unexplored chemical space with new potential bioactive molecules via forward synthetic analysis. Since the introduction of this concept by Schreiber, DOS has evolved along with many significant breakthroughs. It is therefore important to understand the key DOS strategies to build molecular diversity with maximized biological relevancy. Due to the length limitations of this mini review, we briefly discuss the recent DOS plans using build/couple/pair (B/C/P) and ring-distortion strategies for the synthesis of major biologically relevant target molecules like natural products and their related compounds, macrocycles, and privileged structures.
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Affiliation(s)
- Sihyeong Yi
- Department of Chemistry, CRI Center for Chemical Proteomics, Seoul National University, Seoul, South Korea
| | - Begur Vasanthkumar Varun
- Department of Chemistry, CRI Center for Chemical Proteomics, Seoul National University, Seoul, South Korea
| | - Yoona Choi
- Department of Chemistry, CRI Center for Chemical Proteomics, Seoul National University, Seoul, South Korea
| | - Seung Bum Park
- Department of Chemistry, CRI Center for Chemical Proteomics, Seoul National University, Seoul, South Korea
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29
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Choi Y, Kim H, Park SB. A divergent synthetic pathway for pyrimidine-embedded medium-sized azacycles through an N-quaternizing strategy. Chem Sci 2018; 10:569-575. [PMID: 30746098 PMCID: PMC6335630 DOI: 10.1039/c8sc04061c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 10/18/2018] [Indexed: 11/21/2022] Open
Abstract
A new divergent synthetic pathway for skeletally distinct pyrimidine-containing medium-sized azacycles was developed. Diversity-generating reactions via selective bond cleavages or migrations from N-quaternized intermediates were designed, and 14 discrete core skeletons were synthesized in an efficient manner. The skeletal diversity of the resulting molecular frameworks was confirmed by chemoinformatic analysis.
Medium-sized heterocycles have recently received significant attention because of their potential roles as modulators of protein–protein interactions, but their molecular diversity and synthetic availability are still inadequate to meet the demand. To address these issues, we developed a new divergent synthetic pathway for skeletally distinct pyrimidine-containing medium-sized azacycles. We introduced N-quaternized pyrimidine-containing polyheterocycles as novel key intermediates for diversity-generating reactions via selective bond cleavages or migrations and prepared 14 discrete core skeletons in an efficient manner. The skeletal diversity of the resulting molecular frameworks was confirmed by chemoinformatic analysis.
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Affiliation(s)
- Yoona Choi
- CRI Center for Chemical Proteomics , Department of Chemistry , Seoul National University , 1 Gwanak-ro, Gwanak-gu , Seoul 08826 , Korea .
| | - Heejun Kim
- CRI Center for Chemical Proteomics , Department of Chemistry , Seoul National University , 1 Gwanak-ro, Gwanak-gu , Seoul 08826 , Korea .
| | - Seung Bum Park
- CRI Center for Chemical Proteomics , Department of Chemistry , Seoul National University , 1 Gwanak-ro, Gwanak-gu , Seoul 08826 , Korea .
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30
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Tasker SZ, Cowfer AE, Hergenrother PJ. Preparation of Structurally Diverse Compounds from the Natural Product Lycorine. Org Lett 2018; 20:5894-5898. [PMID: 30204451 PMCID: PMC6499378 DOI: 10.1021/acs.orglett.8b02562] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The synthesis of a 52-member compound collection from the natural product lycorine is reported, highlighted by divergent cross-coupling and substitution strategies and an unusual ring rearrangement induced by reaction with aryne intermediates.
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Affiliation(s)
- Sarah Z. Tasker
- Department of Chemistry, Roger Adams Laboratory, University of Illinois at Urbana—Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Amanda E. Cowfer
- Department of Chemistry, Roger Adams Laboratory, University of Illinois at Urbana—Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Paul J. Hergenrother
- Department of Chemistry, Roger Adams Laboratory, University of Illinois at Urbana—Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
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31
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El-Shenawy AI. Synthesis and In Vitro Antibacterial Evaluation of Some Novel Annulated Quinazolinone Derivatives. RUSS J GEN CHEM+ 2018. [DOI: 10.1134/s107036321808025x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Kumar NR, Swaroop DK, Punna N, Sirisha K, Ganapathi T, Kumar CG, Narsaiah B. Synthesis of Novel Pyrido[2′, 3′:3,4]Pyrazolo[1, 5‐
a
]Quinazoline Derivatives, Their Biological Evaluation and Molecular Modelling Studies. ChemistrySelect 2018. [DOI: 10.1002/slct.201801186] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Nagiri Ravi Kumar
- Fluoroorganic divisionCSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad-500607 India
| | | | - Nagender Punna
- Fluoroorganic divisionCSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad-500607 India
| | - Kanugala Sirisha
- Medicinal Chemistry and Pharmacology DivisionCSIR-Indian Institute of Chemical Technology
| | - Thipparapu Ganapathi
- Stem Cell Research DivisionDepartment of BiochemistryNational Institute of Nutrition (NIN), Indian Council of Medical Research (ICMR) Hyderabad-500007 Telangana India
| | - Chityal Ganesh Kumar
- Medicinal Chemistry and Pharmacology DivisionCSIR-Indian Institute of Chemical Technology
| | - Banda Narsaiah
- Fluoroorganic divisionCSIR-Indian Institute of Chemical Technology, Tarnaka Hyderabad-500607 India
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33
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Pawar TJ, Jiang H, Vázquez MA, Villegas Gómez C, Cruz Cruz D. Aminocatalytic Privileged Diversity-Oriented Synthesis (ApDOS): An Efficient Strategy to Populate Relevant Chemical Spaces. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800273] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tushar J. Pawar
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Hao Jiang
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Miguel A. Vázquez
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - Clarisa Villegas Gómez
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
| | - David Cruz Cruz
- Departamento de Química; División de Ciencias Naturales y Exactas; Universidad de Guanajuato; Noria Alta S/N 36050 Guanajuato Gto. México
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34
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Hu XN, Shen TL, Cai DC, Zheng JF, Huang PQ. The iridium-catalysed reductive coupling reaction of tertiary lactams/amides with isocyanoacetates. Org Chem Front 2018. [DOI: 10.1039/c8qo00312b] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A catalytic reductive addition of isocyanoacetates to tertiary lactams/amides has been developed. This one-pot procedure involves Ir-catalysed partial reduction of lactams/amides and sequential chemoselective addition of isocyanide group in isocyanoacetates and produces 5-methoxyoxazoles in moderate to excellent yields.
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Affiliation(s)
- Xiu-Ning Hu
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Tai-Long Shen
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Dong-Cheng Cai
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Jian-Feng Zheng
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
| | - Pei-Qiang Huang
- Department of Chemistry
- Fujian Provincial Key Laboratory of Chemical Biology
- iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)
- College of Chemistry and Chemical Engineering
- Xiamen University
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35
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Zhao Q, Peng C, Huang H, Liu SJ, Zhong YJ, Huang W, He G, Han B. Asymmetric synthesis of tetrahydroisoquinoline-fused spirooxindoles as Ras-GTP inhibitors that inhibit colon adenocarcinoma cell proliferation and invasion. Chem Commun (Camb) 2018; 54:8359-8362. [PMID: 29993051 DOI: 10.1039/c8cc04732d] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
We report the synthesis of a library of chiral THIQ-fused spirooxindoles. The most potent compound inhibits Ras-GTP, ultimately leading to mitochondrial apoptosis.
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Affiliation(s)
- Qian Zhao
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- China
| | - Cheng Peng
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- China
| | - Hua Huang
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- China
| | - Shuai-Jiang Liu
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- China
| | - Ya-Jun Zhong
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- China
| | - Wei Huang
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- China
| | - Gu He
- State Key Laboratory of Biotherapy and Cancer Center
- West China Hospital
- Sichuan University
- Chengdu 610041
- China
| | - Bo Han
- School of Pharmacy
- Chengdu University of Traditional Chinese Medicine
- Chengdu 611137
- China
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36
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Tang X, Gao YJ, Deng HQ, Lei JJ, Liu SW, Zhou L, Shi Y, Liang H, Qiao J, Guo L, Han B, Cui HL. Catalyst-free [3 + 2] cyclization of dihydroisoquinoline imines and isatin-derived Morita–Baylis–Hillman carbonates via 1,5-electrocyclization: synthesis of tetrahydroisoquinoline-fused spirooxindoles. Org Biomol Chem 2018; 16:3362-3366. [DOI: 10.1039/c8ob00749g] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The incorporation of tetrahydroisoquinoline and spirooxindole frameworks has been achieved.
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37
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Zhang J, Zhang F, Lai L, Cheng J, Sun J, Wu J. Generation of sulfonated 1-isoindolinones through a multicomponent reaction with the insertion of sulfur dioxide. Chem Commun (Camb) 2018; 54:3891-3894. [DOI: 10.1039/c8cc01124a] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A four-component reaction of 2-vinylbenzoic acids, aryldiazonium tetrafluoroborates, sulfur dioxide, and nitriles under photocatalysis in the presence of visible light is developed, leading to sulfonated 1-isoindolinones in moderate to good yields.
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Affiliation(s)
- Jun Zhang
- Department of Chemistry
- Fudan University (Jiangwan Campus)
- Shanghai 200438
- China
| | - Feng Zhang
- College of Science
- Hunan Agricultural University
- Changsha 410128
- China
| | - Lifang Lai
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Changzhou University
- Changzhou 213164
- China
| | - Jiang Cheng
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Changzhou University
- Changzhou 213164
- China
| | - Jiangtao Sun
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- Changzhou University
- Changzhou 213164
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University (Jiangwan Campus)
- Shanghai 200438
- China
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38
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Tung TT, Dao TT, Junyent MG, Palmgren M, Günther-Pomorski T, Fuglsang AT, Christensen SB, Nielsen J. LEGO-Inspired Drug Design: Unveiling a Class of Benzo[d]thiazoles Containing a 3,4-Dihydroxyphenyl Moiety as Plasma Membrane H+-ATPase Inhibitors. ChemMedChem 2017; 13:37-47. [DOI: 10.1002/cmdc.201700635] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 11/09/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Truong-Thanh Tung
- Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Ø Denmark
| | - Trong T. Dao
- Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Ø Denmark
- Centre for Membrane Pumps in Cells and Disease-PUMPKIN, Department of Plant and Environmental Sciences; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Marta G. Junyent
- Centre for Membrane Pumps in Cells and Disease-PUMPKIN, Department of Plant and Environmental Sciences; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Michael Palmgren
- Centre for Membrane Pumps in Cells and Disease-PUMPKIN, Department of Plant and Environmental Sciences; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Thomas Günther-Pomorski
- Centre for Membrane Pumps in Cells and Disease-PUMPKIN, Department of Plant and Environmental Sciences; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Anja T. Fuglsang
- Centre for Membrane Pumps in Cells and Disease-PUMPKIN, Department of Plant and Environmental Sciences; University of Copenhagen; Thorvaldsensvej 40 1871 Frederiksberg C Denmark
| | - Søren B. Christensen
- Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Ø Denmark
| | - John Nielsen
- Department of Drug Design and Pharmacology; University of Copenhagen; Universitetsparken 2 2100 Copenhagen Ø Denmark
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39
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Zheng Y, Qiu L, Hong K, Dong S, Xu X. Copper- or Thermally Induced Divergent Outcomes: Synthesis of 4-Methyl 2H
-Chromenes and Spiro-4H
-Pyrazoles. Chemistry 2017; 24:6705-6711. [DOI: 10.1002/chem.201704759] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Yang Zheng
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of, Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P.R. China
| | - Lihua Qiu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of, Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P.R. China
| | - Kemiao Hong
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of, Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P.R. China
| | - Shanliang Dong
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of, Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P.R. China
| | - Xinfang Xu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of, Chemistry, Chemical Engineering and Materials Science; Soochow University; Suzhou 215123 P.R. China
- State Key Laboratory of Elemento-organic Chemistry; Nankai University; Tianjin 300071 P.R. China
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40
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Kaminskyy D, Kryshchyshyn A, Lesyk R. 5-Ene-4-thiazolidinones - An efficient tool in medicinal chemistry. Eur J Med Chem 2017; 140:542-594. [PMID: 28987611 PMCID: PMC7111298 DOI: 10.1016/j.ejmech.2017.09.031] [Citation(s) in RCA: 100] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Revised: 07/14/2017] [Accepted: 09/17/2017] [Indexed: 02/02/2023]
Abstract
The presented review is an attempt to summarize a huge volume of data on 5-ene-4-thiazolidinones being a widely studied class of small molecules used in modern organic and medicinal chemistry. The manuscript covers approaches to the synthesis of 5-ene-4-thiazolidinone derivatives: modification of the C5 position of the basic core; synthesis of the target compounds in the one-pot or multistage reactions or transformation of other related heterocycles. The most prominent pharmacological profiles of 5-ene derivatives of different 4-thiazolidinone subtypes belonging to hit-, lead-compounds, drug-candidates and drugs as well as the most studied targets have been discussed. Currently target compounds (especially 5-en-rhodanines) are assigned as frequent hitters or pan-assay interference compounds (PAINS) within high-throughput screening campaigns. Nevertheless, the crucial impact of the presence/nature of C5 substituent (namely 5-ene) on the pharmacological effects of 5-ene-4-thiazolidinones was confirmed by the numerous listed findings from the original articles. The main directions for active 5-ene-4-thiazolidinones optimization have been shown: i) complication of the fragment in the C5 position; ii) introduction of the substituents in the N3 position (especially fragments with carboxylic group or its derivatives); iii) annealing in complex heterocyclic systems; iv) combination with other pharmacologically attractive fragments within hybrid pharmacophore approach. Moreover, the utilization of 5-ene-4-thiazolidinones in the synthesis of complex compounds with potent pharmacological application is described. The chemical transformations cover mainly the reactions which involve the exocyclic double bond in C5 position of the main core and correspond to the abovementioned direction of the 5-ene-4-thiazolidinone modification.
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Affiliation(s)
- Danylo Kaminskyy
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine
| | - Anna Kryshchyshyn
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine
| | - Roman Lesyk
- Department of Pharmaceutical, Organic and Bioorganic Chemistry, Danylo Halytsky Lviv National Medical University, Pekarska 69, Lviv-10, 79010, Ukraine.
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41
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Li G, Lou HX. Strategies to diversify natural products for drug discovery. Med Res Rev 2017; 38:1255-1294. [PMID: 29064108 DOI: 10.1002/med.21474] [Citation(s) in RCA: 162] [Impact Index Per Article: 23.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 09/18/2017] [Accepted: 09/28/2017] [Indexed: 12/11/2022]
Abstract
Natural product libraries contain specialized metabolites derived from plants, animals, and microorganisms that play a pivotal role in drug discovery due to their immense structural diversity and wide variety of biological activities. The strategies to greatly extend natural product scaffolds through available biological and chemical approaches offer unique opportunities to access a new series of natural product analogues, enabling the construction of diverse natural product-like libraries. The affordability of these structurally diverse molecules has been a crucial step in accelerating drug discovery. This review provides an overview of various approaches to exploit the diversity of compounds for natural product-based drug development, drawing upon a series of examples to illustrate each strategy.
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Affiliation(s)
- Gang Li
- Department of Natural Medicine and Pharmacognosy, School of Pharmacy, Qingdao University, Qingdao, China
| | - Hong-Xiang Lou
- Department of Natural Medicine and Pharmacognosy, School of Pharmacy, Qingdao University, Qingdao, China.,Department of Natural Products Chemistry, Key Lab of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Shandong University, Jinan, China
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42
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Kaminskyy D, Kryshchyshyn A, Lesyk R. Recent developments with rhodanine as a scaffold for drug discovery. Expert Opin Drug Discov 2017; 12:1233-1252. [PMID: 29019278 DOI: 10.1080/17460441.2017.1388370] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Rhodanines, as one of the 4-thiazolidinones subtypes, are recognized as privileged heterocycles in medicinal chemistry. The main achievements include the development of drug-like molecules with numerous biological activities as well as approved drugs. Among rhodanines, 5-ene-rhodanines are of special interest, and are often claimed as pan assay interference compounds due to Michael acceptor functionality. Areas covered: Herein, the synthetic protocols for rhodanines and their transformation are reviewed. Biological activity is briefly discussed as well as biotargets, mode of actions and optimization directions. Furthermore, the utilization of 5-ene-rhodanines in Michael additions are discussed while both pro and contra arguments have been outlined within medicinal chemistry application. Expert opinion: Rhodanines remain privileged heterocycles in drug discovery. They are accessible building blocks for optimization and transformation into related heterocycles, simplified analogues and fused heterocycles with a thiazolidine framework. Michael acceptor functionality, as well as the thesis about low selectivity towards biotargets of rhodanines, must be confirmed experimentally and it cannot be based on just the presence of conjugated α,β-unsaturated carbonyl. Moreover, the positive aspects of Michael acceptors must be considered as well as their multitarget properties. New criteria for target affinity must be found. In conclusion, rhodanines are generally not problematic per se.
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Affiliation(s)
- Danylo Kaminskyy
- a Department of Pharmaceutical, Organic and Bioorganic Chemistry , Danylo Halytsky Lviv National Medical University , Lviv-10 , Ukraine
| | - Anna Kryshchyshyn
- a Department of Pharmaceutical, Organic and Bioorganic Chemistry , Danylo Halytsky Lviv National Medical University , Lviv-10 , Ukraine
| | - Roman Lesyk
- a Department of Pharmaceutical, Organic and Bioorganic Chemistry , Danylo Halytsky Lviv National Medical University , Lviv-10 , Ukraine
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43
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1-Hydroxypyrido[2,3-d]pyrimidin-2(1H)-ones as novel selective HIV integrase inhibitors obtained via privileged substructure-based compound libraries. Bioorg Med Chem 2017; 25:5779-5789. [DOI: 10.1016/j.bmc.2017.09.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 09/03/2017] [Accepted: 09/06/2017] [Indexed: 12/24/2022]
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44
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Liu J, Xu J, Li Z, Huang Y, Wang H, Gao Y, Guo T, Ouyang P, Guo K. Carbocation Organocatalysis in Interrupted Povarov Reactions to cis
-Fused Pyrano- and Furanobenzodihydropyrans. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700634] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Jingjing Liu
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Jiaxi Xu
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Zhenjiang Li
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Yu Huang
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Haixin Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Yu Gao
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Tianfo Guo
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Pingkai Ouyang
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
| | - Kai Guo
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; 30 Puzhu Road South 211816 Nanjing China
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45
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Rajarathinam B, Kumaravel K, Vasuki G. "In Water": Organocatalyzed Diastereoselective Multicomponent Reactions toward 2-Azapyrrolizidine Alkaloid Scaffolds. ACS COMBINATORIAL SCIENCE 2017; 19:455-463. [PMID: 28558195 DOI: 10.1021/acscombsci.7b00038] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Synthesis of the 2-aza analogues of pyrrolizidine and spirooxindole-2-azapyrrolizidine hybrid, a spiro-tetracyclic scaffold possessing multiple contiguous stereocenters, by an exclusive regio-, chemo-, and diastereoselective multicomponent reaction in water is reported. This logical and didactical tactic has integrated the principles of an ideal organic synthesis, privileged substructure-based diversity-oriented synthesis, and biology-oriented synthesis to access hybrid heterocyclic scaffolds.
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46
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Srinivasulu V, Janda KD, Abu-Yousef IA, O'Connor MJ, Al-Tel TH. A modular CuI-L-proline catalyzed one-pot route for the rapid access of constrained and privileged hetero-atom-linked medium-sized ring systems. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.02.061] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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47
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Ciardiello JJ, Stewart HL, Sore HF, Galloway WRJD, Spring DR. A novel complexity-to-diversity strategy for the diversity-oriented synthesis of structurally diverse and complex macrocycles from quinine. Bioorg Med Chem 2017; 25:2825-2843. [PMID: 28283333 DOI: 10.1016/j.bmc.2017.02.060] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 02/26/2017] [Indexed: 01/15/2023]
Abstract
Recent years have witnessed a global decline in the productivity and advancement of the pharmaceutical industry. A major contributing factor to this is the downturn in drug discovery successes. This can be attributed to the lack of structural (particularly scaffold) diversity and structural complexity exhibited by current small molecule screening collections. Macrocycles have been shown to exhibit a diverse range of biological properties, with over 100 natural product-derived examples currently marketed as FDA-approved drugs. Despite this, synthetic macrocycles are widely considered to be a poorly explored structural class within drug discovery, which can be attributed to their synthetic intractability. Herein we describe a novel complexity-to-diversity strategy for the diversity-oriented synthesis of novel, structurally complex and diverse macrocyclic scaffolds from natural product starting materials. This approach exploits the inherent structural (including functional) and stereochemical complexity of natural products in order to rapidly generate diversity and complexity. Readily-accessible natural product-derived intermediates serve as structural templates which can be divergently functionalized with different building blocks to generate a diverse range of acyclic precursors. Subsequent macrocyclisation then furnishes compounds that are each based around a distinct molecular scaffold. Thus, high levels of library scaffold diversity can be rapidly achieved. In this proof-of-concept study, the natural product quinine was used as the foundation for library synthesis, and six novel structurally diverse, highly complex and functionalized macrocycles were generated.
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Affiliation(s)
- J J Ciardiello
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - H L Stewart
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - H F Sore
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - W R J D Galloway
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - D R Spring
- Department of Chemistry, The University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom.
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48
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Leonardi M, Villacampa M, Menéndez JC. Mild and General Synthesis of Pyrrolo[2,1-a]isoquinolines and Related Polyheterocyclic Frameworks from Pyrrole Precursors Derived from a Mechanochemical Multicomponent Reaction. J Org Chem 2017; 82:2570-2578. [DOI: 10.1021/acs.joc.6b02995] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Marco Leonardi
- Departamento de Química
Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - Mercedes Villacampa
- Departamento de Química
Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
| | - J. Carlos Menéndez
- Departamento de Química
Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain
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49
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An Y, Zhang J, Xia H, Wu J. Radical cyclization of benzene-tethered 1,7-enynes with aryldiazonium tetrafluoroborates: a facile route to benzo[j]phenanthridines. Org Chem Front 2017. [DOI: 10.1039/c7qo00193b] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A radical cyclization of benzene-tethered 1,7-enynes with aryldiazonium tetrafluoroborates in the presence of copper(ii) acetate and DABCO˙(SO2)2 is developed, leading to diverse benzo[j]phenanthridines.
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Affiliation(s)
- Yuanyuan An
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Jun Zhang
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Hongguang Xia
- Department of Biochemistry and Molecular Biology
- Zhejiang University School of Medicine
- Hangzhou 310058
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
- State Key Laboratory of Organometallic Chemistry
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Kim J, Jung J, Koo J, Cho W, Lee WS, Kim C, Park W, Park SB. Diversity-oriented synthetic strategy for developing a chemical modulator of protein-protein interaction. Nat Commun 2016; 7:13196. [PMID: 27774980 PMCID: PMC5078997 DOI: 10.1038/ncomms13196] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Accepted: 09/09/2016] [Indexed: 12/24/2022] Open
Abstract
Diversity-oriented synthesis (DOS) can provide a collection of diverse and complex drug-like small molecules, which is critical in the development of new chemical probes for biological research of undruggable targets. However, the design and synthesis of small-molecule libraries with improved biological relevance as well as maximized molecular diversity represent a key challenge. Herein, we employ functional group-pairing strategy for the DOS of a chemical library containing privileged substructures, pyrimidodiazepine or pyrimidine moieties, as chemical navigators towards unexplored bioactive chemical space. To validate the utility of this DOS library, we identify a new small-molecule inhibitor of leucyl-tRNA synthetase-RagD protein-protein interaction, which regulates the amino acid-dependent activation of mechanistic target of rapamycin complex 1 signalling pathway. This work highlights that privileged substructure-based DOS strategy can be a powerful research tool for the construction of drug-like compounds to address challenging biological targets.
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Affiliation(s)
- Jonghoon Kim
- Department of Biophysics and Chemical Biology, CRI Center for Chemical Proteomics, Seoul National University, Seoul 151-747, Korea
| | - Jinjoo Jung
- Department of Biophysics and Chemical Biology, CRI Center for Chemical Proteomics, Seoul National University, Seoul 151-747, Korea
| | - Jaeyoung Koo
- Department of Biophysics and Chemical Biology, CRI Center for Chemical Proteomics, Seoul National University, Seoul 151-747, Korea
| | - Wansang Cho
- Department of Chemistry, Seoul National University, Seoul 151-747, Korea
| | - Won Seok Lee
- Department of Biophysics and Chemical Biology, CRI Center for Chemical Proteomics, Seoul National University, Seoul 151-747, Korea
| | - Chanwoo Kim
- Department of Chemistry, Seoul National University, Seoul 151-747, Korea
| | - Wonwoo Park
- Department of Biophysics and Chemical Biology, CRI Center for Chemical Proteomics, Seoul National University, Seoul 151-747, Korea
| | - Seung Bum Park
- Department of Biophysics and Chemical Biology, CRI Center for Chemical Proteomics, Seoul National University, Seoul 151-747, Korea
- Department of Chemistry, Seoul National University, Seoul 151-747, Korea
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