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Wen Y, Jin HX, Qiu YH, Zong Y, Luo W, Chen Z, Yu D. Photo-induced tungsten-catalyzed cascade synthesis of pyrrolo[2,1- a]isoquinoline-1,3-dicarboxylate and its reaction mechanism. Chem Commun (Camb) 2024; 60:4573-4576. [PMID: 38572995 DOI: 10.1039/d4cc00169a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2024]
Abstract
A pyrrolo[2,1-a]isoquinoline core structure is prevalent in marine and other natural products. This article describes a tungsten-catalyzed [3+2] cycloaddition aromatization of dihydroisoquinoline ester and maleic anhydride or an acrylate. The photochemical reaction tolerates a range of functional groups such as ester, cyano, ketone, bromide, and alkene. It is shown that the cycloaddition-aromatization of 2-substitued acrylate catalyzed by a tungsten photocatalyst can be used to evaluate the leaving ability of the leaving group. Experiments done to determine the reaction mechanism revealed that the formation of an ion-pair intermediate generated in situ from dihydroisoquinoline ester and (Z)-4-methoxy-4-oxobut-2-enoic acid via the solvolysis of maleic anhydride with methanol is crucial for the cascade process to occur. The key cycloadduct acid intermediate derived from [3+2] cycloaddition was isolated and determined by X-ray crystallography.
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Affiliation(s)
- Yongshun Wen
- Key laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China.
| | - Hong-Xian Jin
- Key laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China.
| | - Yan-Hua Qiu
- Key laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China.
| | - Yingtong Zong
- Key laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China.
| | - Wenjun Luo
- Key laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China.
| | - Zhengwang Chen
- Key laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China.
| | - Daohong Yu
- Key laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China.
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García Maza LJ, Salgado AM, Kouznetsov VV, Meléndez CM. Pyrrolo[2,1- a]isoquinoline scaffolds for developing anti-cancer agents. RSC Adv 2024; 14:1710-1728. [PMID: 38187449 PMCID: PMC10768717 DOI: 10.1039/d3ra07047f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 12/14/2023] [Indexed: 01/09/2024] Open
Abstract
Fused pyrrolo[2,1-a]isoquinolines have emerged as compelling molecules with remarkably potent cytotoxic activity and topoisomerase inhibitors. This comprehensive review delves into the intricate world of this family of compounds, analyzing the natural marine lamellarins known for their diverse and complex chemical structures, exploring structure-activity relationships (SARs), and highlighting their remarkable versatility. The review emphasizes their fundamental role as topoisomerase inhibitors and cytotoxic agents, as well as some crucial aspects of the chemistry of pyrrolo[2,1-a]isoquinolines, exploring synthetic strategies in total synthesis and molecular diversification trends, highlighting their importance in the field of medicinal chemistry and beyond.
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Affiliation(s)
- Leidy J García Maza
- Facultad de Ciencias Básicas, Grupo de Investigación de Química Orgánica y Biomédica, Universidad del Atlántico Barranquilla Colombia
| | - Arturo Mendoza Salgado
- Facultad de Ciencias Básicas, Grupo de Investigación de Química Orgánica y Biomédica, Universidad del Atlántico Barranquilla Colombia
| | - Vladimir V Kouznetsov
- Laboratorio de Química Orgánica y Biomolecular, Escuela de Química, Universidad Industrial de Santander Piedecuesta 680002 Colombia
| | - Carlos M Meléndez
- Facultad de Ciencias Básicas, Grupo de Investigación de Química Orgánica y Biomédica, Universidad del Atlántico Barranquilla Colombia
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Sun W, Zhang SZ, Xue YJ, Mo LP, Zhang ZH. Perovskite as recyclable heterogeneous photocatalyst for synthesis of bis-1,3-dicarbonyl compounds. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Abstract
Pyrrolo[2,1-a]isoquinolines occur frequently in a large number of bioactive natural products and pharmaceutically important molecules. The synthesis of pyrrolo[2,1-a]isoquinoline derivatives is an easy and useful way to produce artificial molecules with potential applications. A huge number of excellent methodologies for constructing pyrrolo[2,1-a]isoquinolines have been reported in the last decade. This review summarizes the recent advances in this research field covering from 2011 to 2021.
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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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Yu D, Liu Y, Che CM. Tungsten catalysed decarboxylative [3 + 2] cycloaddition aromatization: one-pot synthesis of trifluoromethyl-pyrrolo[2,1- a]isoquinolines with visible light irradiation. Org Chem Front 2022. [DOI: 10.1039/d2qo00401a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Trifluoromethyl-pyrrolo[2,1-a]isoquinolines, which are difficult to prepare via traditional methods, could be readily prepared via a tungsten-catalysed decarboxylative [3 + 2] cycloaddition aromatization process.
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Affiliation(s)
- Daohong Yu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
- State Key Laboratory of Synthetic Chemistry, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, Gannan Normal University, 341000, China
| | - Yungen Liu
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
- Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
| | - Chi-Ming Che
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
- State Key Laboratory of Synthetic Chemistry, Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- HKU Shenzhen Institute of Research and Innovation, Shenzhen, Guangdong, 518055, China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, Units 1503-1511, 15/F, Building 17W, Hong Kong Science and Technology Parks, New Territories, Hong Kong, China
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Banu S, Yadav PP. Chlorophyll: the ubiquitous photocatalyst of nature and its potential as an organo-photocatalyst in organic syntheses. Org Biomol Chem 2022; 20:8584-8598. [DOI: 10.1039/d2ob01473d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The emergence of chlorophyll, the principal photoacceptor of green plants, as an organo-photocatalyst.
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Affiliation(s)
- Saira Banu
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031, India
- Academy of Scientific & Innovative Research, Ghaziabad-201002, India
| | - Prem P. Yadav
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow-226031, India
- Academy of Scientific & Innovative Research, Ghaziabad-201002, India
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Koohgard M, Hosseini-Sarvari M. Visible-light-mediated phosphonylation reaction: formation of phosphonates from alkyl/arylhydrazines and trialkylphosphites using zinc phthalocyanine. Org Biomol Chem 2021; 19:5905-5911. [PMID: 34132725 DOI: 10.1039/d1ob00848j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In this work, we developed a ligand- and base-free visible-light-mediated protocol for the photoredox syntheses of arylphosphonates and, for the first time, alkyl phosphonates. Zinc phthalocyanine-photocatalyzed Csp2-P and Csp3-P bond formations were efficiently achieved by reacting aryl/alkylhydrazines with trialkylphosphites in the presence of air serving as an abundant oxidant. The reaction conditions tolerated a wide variety of functional groups.
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Affiliation(s)
- Mehdi Koohgard
- Nano Photocatalysis Laboratory, Department of Chemistry, Shiraz University, Shiraz 7194684795, Islamic Republic of Iran.
| | - Mona Hosseini-Sarvari
- Nano Photocatalysis Laboratory, Department of Chemistry, Shiraz University, Shiraz 7194684795, Islamic Republic of Iran.
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