1
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Doraghi F, Ameli M, Ansariashlaghi S, Larijani B, Mahdavi M. NHC-Catalyzed Enantioselective Transformations Involving α-Bromoenals. CHEM REC 2024; 24:e202400005. [PMID: 38587150 DOI: 10.1002/tcr.202400005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 02/21/2024] [Indexed: 04/09/2024]
Abstract
α-Haloenals, especially, α-bromoenals considered as one of the important building blocks in organic synthesis. They can participate in various (3+2)-, (3+3)-, (3+4)-, and (2+4)-annulation reactions with other organic molecules in the presence of an NHC catalyst to produce enantioenriched carbo-, and heterocyclic compounds. Herein, we have described NHC-catalyzed enantioselective transformations of α-bromoenals in the synthesis of various heterocycles, and carbocycles, as well as acyclic organic compounds.
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Affiliation(s)
- Fatemeh Doraghi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 1411713119, Tehran, Iran
| | - Mahmoud Ameli
- School of Chemistry, College of Science, University of Tehran, 1417614411, Tehran, Iran
| | - Shirin Ansariashlaghi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 1411713119, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 1411713119, Tehran, Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, 1411713119, Tehran, Iran
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2
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Liu TT, Chen Y, Mei GJ, Hua YZ, Jia SK, Wang MC. Zinc-Catalyzed Enantioselective [3 + 3] Annulation for Synthesis of Chiral Spiro[indoline-3,4'-thiopyrano[2,3- b]indole] Derivatives. Molecules 2023; 28:molecules28031056. [PMID: 36770723 PMCID: PMC9920981 DOI: 10.3390/molecules28031056] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/12/2023] [Accepted: 01/16/2023] [Indexed: 01/24/2023] Open
Abstract
With a dinuclear zinc-ProPhenol complex as a catalyst, an efficient and novel [3 + 3] annulation of indoline-2-thiones and isatylidene malononitriles has been successfully developed via the Brønsted base and Lewis acid cooperative activation model. This practical methodology gives access to a broad range of chiral spiro[indoline-3,4'-thiopyrano[2,3-b]indole] derivatives in good yields with excellent levels of enantioselectivities (up to 88% yield and 99% ee).
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Affiliation(s)
| | | | | | | | - Shi-Kun Jia
- Correspondence: (Y.-Z.H.); (S.-K.J.); (M.-C.W.)
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3
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Nie G, Sun J, Mou C, Tang K, Chi YR, Li T. Enantioselective Synthesis of Pyrazolo[3,4- b]pyridone Derivatives with Antifungal Activities against Phytophthora capsici and Colletotrichum fructicola. Org Lett 2023; 25:134-139. [PMID: 36563315 DOI: 10.1021/acs.orglett.2c03945] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A chiral NHC-catalyzed [3 + 3] cycloaddition reaction is developed for the efficient synthesis of pyrazolo[3,4-b]pyridones in generally excellent yields and optical purities. The R, S, and racemic forms of these molecules are systematically studied via in vitro tests that detect antifungal activity against Phytophthora capsici and Colletotrichum fructicola. Chiral compounds (R)-3i, (R)-3j, and (R)-3p are identified to have excellent inhibitory effects against P. capsici and C. fructicola.
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Affiliation(s)
- Guihua Nie
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Jun Sun
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Chengli Mou
- Guizhou University of Traditional Chinese Medicine, Huaxi District, Guiyang 550025, China
| | - Kun Tang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yonggui Robin Chi
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China.,School of Chemistry, Chemical Engineering, and Biotechnology, Nanyang Technological University, Singapore 637371
| | - Tingting Li
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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4
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Gopal B, Singh PR, Kumar M, Goswami A. Synthesis of Indole-Fused Dihydrothiopyrano Scaffolds via (3 + 3)-Annulations of Donor-Acceptor Cyclopropanes with Indoline-2-Thiones. J Org Chem 2023; 88:132-142. [PMID: 36524970 DOI: 10.1021/acs.joc.2c01990] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A new methodology for the synthesis of N-haloindole-fused dihydrothiopyrano derivatives via (3 + 3)-annulation of donor-acceptor cyclopropanes (DACs) with indoline-2-thiones in the presence of Sc(OTf)3 as a Lewis acid catalyst has been developed. This protocol provides a variety of indole-fused dihydrothiopyrano molecules in good to excellent yields, which architecturally resemble other indole-fused tricyclic molecules having potential medicinal value. In addition, we have described a detailed reaction mechanism and transformation of the furnished product into N-fused thiazino indole molecule.
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Affiliation(s)
- Braj Gopal
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
| | - Prasoon Raj Singh
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
| | - Madan Kumar
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
| | - Avijit Goswami
- Department of Chemistry, Indian Institute of Technology Ropar, SS Bhatnagar Block, Main Campus, Rupnagar, Punjab 140001, India
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5
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Tang P, Wei YY, Wen L, Ma HJ, Yang Y, Jiang Y. MgI 2-Catalyzed Nucleophilic Ring-Opening Reactions of Donor-Acceptor Cyclopropanes with Indoline-2-thiones. J Org Chem 2022; 87:10890-10901. [PMID: 35918174 DOI: 10.1021/acs.joc.2c01179] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
MgI2-catalyzed nucleophilic ring-opening reactions of donor-acceptor cyclopropanes with indoline-2-thiones as easy-to-handle sulfur nucleophiles were investigated. A series of functionalized γ-indolylthio butyric acid derivatives were synthesized in good to excellent yields under mild reaction conditions. Furthermore, the thioether functionalized ring-opening products could be transformed to sulfone and methionine analogues.
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Affiliation(s)
- Pan Tang
- School of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - You-Yuan Wei
- School of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Long Wen
- School of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Hao-Jie Ma
- School of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Yi Yang
- School of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
| | - Yan Jiang
- School of Chemistry and Environmental Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
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6
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GaCl3 catalyzed the cascade Michael/ketalization of o-hydroxychalcones with indoline-2-thiones: For the construction of indole-annulated 2-oxa-8-thiabicyclo[3.3.1]nonane derivatives. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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7
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Suresh A, Lal S, Namboothiri INN. Regio- and stereoselective synthesis of functionalized and fused heterocycles from Morita-Baylis-Hillman adducts of dicyclopentadienone. Org Biomol Chem 2022; 20:2271-2281. [PMID: 35234778 DOI: 10.1039/d1ob02505h] [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 protocol for the Morita-Baylis-Hillman (MBH) reaction of dicyclopentadienone using CTAB has been developed. The MBH adduct was subsequently transformed to its acetate and bromide derivatives. The 1,3-bielectrophilic character of the MBH acetate and bromide was further explored with various 1,3-binucleophiles to construct various oxa-, thia- and aza-heterocycles. These reactions proceed through a cascade double Michael addition of 1,3-binucleophiles to the MBH acetate/bromide under basic conditions. Amenability of these reactions to scale-up and applications of the products in the synthesis of cyclopentenone-fused chromenones and thiopyranoindoles have been demonstrated.
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Affiliation(s)
- Alati Suresh
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400 076, India.
| | - Sohan Lal
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai 400 076, India.
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8
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Li MM, Chen X, Deng Y, Lu J. Recent advances of N-heterocyclic carbenes in the applications of constructing carbo- and heterocyclic frameworks with potential biological activity. RSC Adv 2021; 11:38060-38078. [PMID: 35498096 PMCID: PMC9044055 DOI: 10.1039/d1ra06155k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 11/05/2021] [Indexed: 01/10/2023] Open
Abstract
In recent years, N-heterocyclic carbenes (NHCs) have established themselves as a masterful and promising type of organocatalyst for the speedy construction of medicinally and biologically significant molecules from common and accessible small molecules. In particular, various cyclic scaffolds, including carbocycles and heterocycles, have been synthesized using NHCs via cycloaddition reaction. An exhaustive review focused on the chemistry of NHCs in these cyclic molecules has yet to be reported. In this contribution, a general picture of the utilization of NHCs in constructing twelve kinds of bioactive cyclic skeletons is firstly presented. We provide a systematic and comprehensive overview from the perspective of cycloaddition reactions; moreover, the limitations, challenges, and future prospects were discussed.
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Affiliation(s)
- Mei-Mei Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine Chengdu 611137 China
| | - Xiaozhen Chen
- Chengdu Institute of Biology, Chinese Academy of Sciences Chengdu 610041 China
| | - Yun Deng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine Chengdu 611137 China
| | - Jun Lu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine Chengdu 611137 China
- Institute of Integrated Bioinformedicine & Translational Science, Hong Kong Baptist University Shenzhen Research Institute and Continuing Education Shenzhen 518000 China
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9
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Li J, Zhao Q, Gou C, Li Q, Leng H, Huang Q, Liu Y. Construction of Indole‐Fused Heterocycles Starting from 2‐Thioxoindolines, Iminoindolines, and Their Derivatives. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100714] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jun‐Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy Chengdu University Chengdu 610106 People's Republic of China
| | - Qian Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources Chengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
| | - Chuan Gou
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy Chengdu University Chengdu 610106 People's Republic of China
| | - Qing‐Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy Chengdu University Chengdu 610106 People's Republic of China
| | - Hai‐Jun Leng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy Chengdu University Chengdu 610106 People's Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources Chengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
| | - Qian‐Wei Huang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy Chengdu University Chengdu 610106 People's Republic of China
| | - Yue Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy Chengdu University Chengdu 610106 People's Republic of China
- State Key Laboratory of Southwestern Chinese Medicine Resources Chengdu University of Traditional Chinese Medicine Chengdu 611137 People's Republic of China
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10
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In-situ-generation of alkylsilyl peroxides from alkyl hydroperoxides and their subsequent copper-catalyzed functionalization with organosilicon compounds. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153144] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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11
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Ghosh A, Biju AT. Revealing the Similarities of α,β-Unsaturated Iminiums and Acylazoliums in Organocatalysis. Angew Chem Int Ed Engl 2021; 60:13712-13724. [PMID: 33205860 DOI: 10.1002/anie.202012581] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Indexed: 01/05/2023]
Abstract
The secondary amine-catalyzed reactions proceeding via α,β-unsaturated iminiums and the N-heterocyclic carbene (NHC)-catalyzed transformations taking place via α,β-unsaturated acylazoliums are the two widely used electrophilic intermediates in organocatalysis. Over the last two decades, these two intermediates are extensively utilized for the enantioselective construction of valuable molecules. Both intermediates are generated by the covalent binding of catalysts to the substrates leading to LUMO activation of α,β-unsaturated carbonyls. A variety of soft nucleophiles are known to add to the α,β-unsaturated iminiums and acylazoliums in a conjugate fashion, and in many cases, striking similarity in reactivity has been observed. Having said this, there are few cases where these intermediates exhibit difference in reactivity. This Minireview is aimed at highlighting the resemblances in reactivity between α,β-unsaturated iminiums and acylazoliums thereby shedding light on the unnoticed parallels of the two intermediates in organocatalysis.
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Affiliation(s)
- Arghya Ghosh
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Akkattu T Biju
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
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12
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Ghosh A, Biju AT. Revealing the Similarities of α,β‐Unsaturated Iminiums and Acylazoliums in Organocatalysis. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202012581] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Arghya Ghosh
- Department of Organic Chemistry Indian Institute of Science Bangalore 560012 India
| | - Akkattu T. Biju
- Department of Organic Chemistry Indian Institute of Science Bangalore 560012 India
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13
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Li T, Mou C, Qi P, Peng X, Jiang S, Hao G, Xue W, Yang S, Hao L, Chi YR, Jin Z. N‐Heterocyclic Carbene‐Catalyzed Atroposelective Annulation for Access to Thiazine Derivatives with C−N Axial Chirality. Angew Chem Int Ed Engl 2021; 60:9362-9367. [DOI: 10.1002/anie.202010606] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Tingting Li
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Chengli Mou
- School of Pharmacy Guizhou University of Traditional Chinese Medicine Guiyang 550025 China
| | - Puying Qi
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Xiaolin Peng
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Shichun Jiang
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Gefei Hao
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Wei Xue
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Song Yang
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Lin Hao
- Division of Chemistry & Biological Chemistry School of Physical & Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore
| | - Yonggui Robin Chi
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
- Division of Chemistry & Biological Chemistry School of Physical & Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore
| | - Zhichao Jin
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
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14
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Li T, Mou C, Qi P, Peng X, Jiang S, Hao G, Xue W, Yang S, Hao L, Chi YR, Jin Z. N‐Heterocyclic Carbene‐Catalyzed Atroposelective Annulation for Access to Thiazine Derivatives with C−N Axial Chirality. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202010606] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Tingting Li
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Chengli Mou
- School of Pharmacy Guizhou University of Traditional Chinese Medicine Guiyang 550025 China
| | - Puying Qi
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Xiaolin Peng
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Shichun Jiang
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Gefei Hao
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Wei Xue
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Song Yang
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
| | - Lin Hao
- Division of Chemistry & Biological Chemistry School of Physical & Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore
| | - Yonggui Robin Chi
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
- Division of Chemistry & Biological Chemistry School of Physical & Mathematical Sciences Nanyang Technological University Singapore 637371 Singapore
| | - Zhichao Jin
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering Key Laboratory of Green Pesticide and Agricultural Bioengineering Ministry of Education Guizhou University Guiyang 550025 China
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15
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Basu P, Hazra C, Baiju TV, Namboothiri INN. Synthesis of tetrahydrothiopyrano[2,3-b]indoles via [3+3] annulation of nitroallylic acetates with indoline-2-thiones. NEW J CHEM 2020. [DOI: 10.1039/c9nj04754a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
[3+3] annulation of 1,3-binucleophilic indolin-2-thione with 1,3-bielectrophilic nitroallylic acetate via an SN2-reaction-6-endo-trig cyclization takes place with high regio- and stereoselectivity to afford tetrahydrothiopyranoindoles.
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Affiliation(s)
- Pallabita Basu
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400 076
- India
| | - Chiranjit Hazra
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400 076
- India
| | - Thekke V. Baiju
- Department of Chemistry
- Indian Institute of Technology Bombay
- Mumbai 400 076
- India
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16
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Wu S, Liu C, Luo G, Jin Z, Zheng P, Chi YR. NHC‐Catalyzed Chemoselective Reactions of Enals and Aminobenzaldehydes for Access to Chiral Dihydroquinolines. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909479] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Shuquan Wu
- Laboratory Breeding Base of Green Pesticide and Agricultural BioengineeringKey Laboratory of Green Pesticide and Agricultural BioengineeringMinistry of EducationGuizhou University Guiyang 550025 China
| | - Changyi Liu
- Laboratory Breeding Base of Green Pesticide and Agricultural BioengineeringKey Laboratory of Green Pesticide and Agricultural BioengineeringMinistry of EducationGuizhou University Guiyang 550025 China
| | - Guoyong Luo
- School of PharmacyGuizhou University of Traditional Chinese Medicine Guiyang 550025 China
| | - Zhichao Jin
- Laboratory Breeding Base of Green Pesticide and Agricultural BioengineeringKey Laboratory of Green Pesticide and Agricultural BioengineeringMinistry of EducationGuizhou University Guiyang 550025 China
| | - Pengcheng Zheng
- Laboratory Breeding Base of Green Pesticide and Agricultural BioengineeringKey Laboratory of Green Pesticide and Agricultural BioengineeringMinistry of EducationGuizhou University Guiyang 550025 China
| | - Yonggui Robin Chi
- Laboratory Breeding Base of Green Pesticide and Agricultural BioengineeringKey Laboratory of Green Pesticide and Agricultural BioengineeringMinistry of EducationGuizhou University Guiyang 550025 China
- Division of Chemistry & Biological ChemistrySchool of Physical & Mathematical SciencesNanyang Technological University Singapore 637371 Singapore
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17
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Wu S, Liu C, Luo G, Jin Z, Zheng P, Chi YR. NHC-Catalyzed Chemoselective Reactions of Enals and Aminobenzaldehydes for Access to Chiral Dihydroquinolines. Angew Chem Int Ed Engl 2019; 58:18410-18413. [PMID: 31604001 DOI: 10.1002/anie.201909479] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2019] [Revised: 09/21/2019] [Indexed: 12/31/2022]
Abstract
An N-heterocyclic carbene (NHC)-catalyzed reaction between α-bromoenals and 2-aminoaldehydes has been developed. Key steps include chemoselective reaction of the NHC catalyst with one of the aldehyde substrates (the bromoenal) to eventually generate an α,β-unsaturated acylazolium intermediate. Addition of the nitrogen atom of aminoaldehyde to the unsaturated azolium ester intermediate followed by intramolecular aldol reaction, β-lactone formation, and decarboxylation leads to chiral dihydroquinolines with high optical purity. The dihydroquinoline products, which are quickly prepared by using this method, can be readily transformed into a diverse set of functional molecules such as pyridines and chiral piperidines.
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Affiliation(s)
- Shuquan Wu
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, China
| | - Changyi Liu
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, China
| | - Guoyong Luo
- School of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, China
| | - Zhichao Jin
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, China
| | - Pengcheng Zheng
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, China
| | - Yonggui Robin Chi
- Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, China.,Division of Chemistry & Biological Chemistry, School of Physical & Mathematical Sciences, Nanyang Technological University, Singapore, 637371, Singapore
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18
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Feng ZN, Luo JY, Zhang Y, Du GF, He L. N-Heterocyclic carbene-catalyzed diastereoselective synthesis of sulfenylated indanes via sulfa-Michael-Michael (aldol) cascade reactions. Org Biomol Chem 2019; 17:4700-4704. [PMID: 31020285 DOI: 10.1039/c9ob00210c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
N-Heterocyclic carbene (NHC)-catalyzed diastereoselective synthesis of multisubstituted sulfenylated indanes has been developed. In the presence of 1 mol% NHC, various thiols underwent the sulfa-Michael-Michael cascade reaction with benzenedi(enones) efficiently to form the carbon-sulfur bond and construct sulfenylated indanes in good to excellent yields with high diastereoselectivity. In addition, the NHC-catalyzed sulfa-Michael-aldol cascade reaction between o-formyl chalcone and thiols has also been demonstrated to afford sulfenylated indanes with a free hydroxyl group in moderate yields and good diastereoselectivity.
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Affiliation(s)
- Ze-Nan Feng
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan/School of Chemistry and Chemical Engineering, Shihezi University, Xinjiang Uygur Autonomous Region, 832000, People's Republic of China.
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19
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Gao Y, Liu D, Fu Z, Huang W. Facile Synthesis of 2,2-Diacyl Spirocyclohexanones via an N-Heterocyclic Carbene-Catalyzed Formal [3C + 3C] Annulation. Org Lett 2019; 21:926-930. [PMID: 30714381 DOI: 10.1021/acs.orglett.8b03892] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A novel strategy for the construction of 2,2-diacyl spirocyclohexanones 3 has been demonstrated on the basis of an NHC-catalyzed [3C + 3C] annulation of potassium 2-oxo-3-enoates with 2-ethylidene 1,3-indandiones. Furthermore, enantioenriched 3 was obtained in good to excellent yields with good enantioselectivities when chiral N-heterocyclic carbene (NHC) was employed. Notably, ring opening of the resulting 2,2-diacyl spirocyclohexanones 3 with hydrazine led to the formation of phthalazinones in good to excellent yields.
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Affiliation(s)
- Yaru Gao
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , 127 West Youyi Road , Xi'an 710072 , China.,Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
| | - Dehai Liu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
| | - Zhenqian Fu
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , 127 West Youyi Road , Xi'an 710072 , China.,Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
| | - Wei Huang
- Shaanxi Institute of Flexible Electronics (SIFE) , Northwestern Polytechnical University (NPU) , 127 West Youyi Road , Xi'an 710072 , China.,Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM) , Nanjing Tech University (NanjingTech) , 30 South Puzhu Road , Nanjing 211816 , China
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20
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Mane V, Baiju TV, Namboothiri INN. Synthesis of Functionalized Thieno[2,3- b]indoles via One-Pot Reaction of Indoline-2-thiones with Morita-Baylis-Hillman and Rauhut-Currier Adducts of Nitroalkenes. ACS OMEGA 2018; 3:17617-17628. [PMID: 31458362 PMCID: PMC6643647 DOI: 10.1021/acsomega.8b02147] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 11/07/2018] [Indexed: 06/10/2023]
Abstract
A straightforward protocol for the synthesis of functionalized thieno[2,3-b]indoles by base-mediated [3 + 2]-annulation of indoline-2-thione with Morita-Baylis-Hillman and Rauhut-Currier adducts of nitroalkenes is described. Complete regioselectivity, broad substrate scope, and mild reaction conditions make this strategy very valuable. Moreover, the thieno[2,3-b]indoles comprising functional groups such as hydrazine and ketoalkyl moieties are amenable for further synthetic elaboration.
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21
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Xia F, Chen XY, Ye S. [3 + 4] Annulation of Bromoenals and 1,2-Benzenedithiol: Base-Promoted [2 + 4] Reaction and N-Heterocyclic Carbene-Catalyzed Ring-Expansion. J Org Chem 2018; 83:15178-15185. [PMID: 30468071 DOI: 10.1021/acs.joc.8b02460] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The [3 + 4] and [2 + 4] annulations of bromoenals and 1,2-benzenedithiol were developed in the presence or absence of N-heterocyclic carbene, respectively. Control experiment and kinetic investigation revealed the [3 + 4] annulation involves the base-promoted [2 + 4] annulation and the following carbene-catalyzed ring-expansion.
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Affiliation(s)
- Fei Xia
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
| | - Xiang-Yu Chen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences , Beijing 100190 , China.,University of Chinese Academy of Sciences , Beijing 100049 , China
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22
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Enantioselective synthesis of indolo[2,3-b]-dihydrothiopyranones via [3+3] cycloaddition of chiral α,β-unsaturated acylammonium salts. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.09.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Sun K, Jin S, Zhu J, Zhang X, Gao M, Zhang W, Lu T, Du D. N-Heterocyclic Carbene-Catalyzed in situ
Activation of Alkynyl Acids for C−S Bond Formation: Access to Imidazo[2,1-b
][1,3]thiazinones. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800857] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kewen Sun
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Shiyi Jin
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Jindong Zhu
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Xinmiao Zhang
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Maoyu Gao
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Wanqi Zhang
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Tao Lu
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
| | - Ding Du
- State Key Laboratory of Natural Medicines; Department of Organic Chemistry; China Pharmaceutical University, Nanjing; 210009 People's Republic of China
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24
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Nosova EV, Lipunova GN, Charushin VN, Chupakhin ON. Fluorine-containing indoles: Synthesis and biological activity. J Fluor Chem 2018. [DOI: 10.1016/j.jfluchem.2018.05.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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25
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Zhu CZ, Wei Y, Shi M. Base-Promoted Tandem Cyclization for the Synthesis of Benzonitriles by C−C Bond Construction. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701329] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Cheng-Zhi Zhu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Mei Long Road Shanghai 200237 People's Republic of China
| | - Yin Wei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis; University of Chinese Academy of Sciences; Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences; 354 Fenglin Lu Shanghai 200032 People's Republic of China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Mei Long Road Shanghai 200237 People's Republic of China
- State Key Laboratory and Institute of Elemento-organic Chemistry; Nankai University; Tianjin 300071 People's Republic of China
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis; University of Chinese Academy of Sciences; Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences; 354 Fenglin Lu Shanghai 200032 People's Republic of China
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26
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Lu H, Zhang JL, Liu JY, Li HY, Xu PF. N-Heterocyclic Carbene-Catalyzed Atom-Economical and Enantioselective Construction of the C–S Bond: Asymmetric Synthesis of Functionalized Thiochromans. ACS Catal 2017. [DOI: 10.1021/acscatal.7b02651] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Hong Lu
- State
Key Laboratory of Applied Organic Chemistry, School of Chemistry and
Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
- Institute
of Microbiology, School of Life Sciences, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Jia-Lu Zhang
- State
Key Laboratory of Applied Organic Chemistry, School of Chemistry and
Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Jin-Yu Liu
- State
Key Laboratory of Applied Organic Chemistry, School of Chemistry and
Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Hong-Yu Li
- Institute
of Microbiology, School of Life Sciences, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Peng-Fei Xu
- State
Key Laboratory of Applied Organic Chemistry, School of Chemistry and
Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
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27
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Wang L, Li S, Blümel M, Puttreddy R, Peuronen A, Rissanen K, Enders D. Switchable Access to Different Spirocyclopentane Oxindoles by N-Heterocyclic Carbene Catalyzed Reactions of Isatin-Derived Enals and N-Sulfonyl Ketimines. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704210] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Lei Wang
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
- The Institute of Medicinal Plant Development; Chinese Academy of Medical Sciences & Peking Union Medical College; Beijing 100199 China
| | - Sun Li
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Marcus Blümel
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
| | - Rakesh Puttreddy
- Department of Chemistry; Nanoscience Center; University of Jyvaskyla; 40014 JYU Finland
| | - Anssi Peuronen
- Department of Chemistry; Nanoscience Center; University of Jyvaskyla; 40014 JYU Finland
| | - Kari Rissanen
- Department of Chemistry; Nanoscience Center; University of Jyvaskyla; 40014 JYU Finland
| | - Dieter Enders
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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28
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Switchable Access to Different Spirocyclopentane Oxindoles by N-Heterocyclic Carbene Catalyzed Reactions of Isatin-Derived Enals and N-Sulfonyl Ketimines. Angew Chem Int Ed Engl 2017; 56:8516-8521. [DOI: 10.1002/anie.201704210] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Indexed: 12/23/2022]
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29
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Abstract
The construction of chiral disubstituted oxindoles is an intriguing challenge for organic chemists.
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Affiliation(s)
- Renato Dalpozzo
- Dipartimento di Chimica e Tecnologie Chimiche
- Università della Calabria
- Arcavacata di Rende (Cs) 87030
- Italy
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30
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Cong ZS, Li YG, Du GF, Gu CZ, Dai B, He L. N-Heterocyclic carbene-catalyzed sulfa-Michael addition of enals. Chem Commun (Camb) 2017; 53:13129-13132. [DOI: 10.1039/c7cc07269d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An efficient N-heterocyclic carbene (NHC) catalyzed sulfa-Michael addition (SMA) between enals and thiols has been developed.
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Affiliation(s)
- Zi-Song Cong
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- China
| | - Yang-Guo Li
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- China
| | - Guang-Fen Du
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- China
| | - Cheng-Zhi Gu
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- China
| | - Bin Dai
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- China
| | - Lin He
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- China
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