1
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Guo DG, Wang HJ, Zhou Y, Liu XL. Advances in chromone-based reactants in the ring opening and skeletal reconstruction reaction: access to skeletally diverse salicyloylbenzene/heterocycle derivatives. Org Biomol Chem 2022; 20:4681-4698. [PMID: 35617020 DOI: 10.1039/d2ob00478j] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Salicyloylbenzene/heterocycles are privileged scaffolds found in many natural products and bioactive molecules. Numerous useful approaches for the preparation of these privileged scaffolds have been developed in recent years. Among these approaches, chromone-based reactants have demonstrated their importance in the synthesis of these salicyloylbenzene/heterocycle scaffolds with structural complexity and potential biological appeal. In this review, the recent advances in the synthesis of salicyloylbenzene/heterocycles are summarized and discussed according to the chromone-based reactants which could be achieved in one step via ring-opening and skeletal reconstruction reactions. Both the mechanisms and the applications of the corresponding products in organic and medicinal chemistry are also described.
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Affiliation(s)
- Dong-Gui Guo
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China. .,College of Food and Pharmaceutical Engineering, Guizhou Institute of Technology, Guiyang 550003, China
| | - Hui-Juan Wang
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
| | - Ying Zhou
- College of Pharmaceutical Sciences, Guizhou University of Chinese Medicine, Guiyang, Guizhou 550025, P. R. China
| | - Xiong-Li Liu
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, Guizhou 550025, P. R. China.
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2
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Wang WN, Liu RM, Zhang L, Liu XL, Dai YF, Yu ZB, Peng LJ. Ring opening and skeletal reconstruction of 3-vinyl benzofuranone-chromone synthons: catalyst-free access to skeletally-diverse 2-pyridone and optically active imidazoline derivatives. Org Biomol Chem 2022; 20:2227-2232. [PMID: 35237774 DOI: 10.1039/d1ob02432a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Herein is reported the first example of ring opening and skeletal reconstruction of 3-vinyl benzofuranone-chromones 1 as versatile synthons, which can react with ammonia or primary aliphatic amines as binucleophiles, for the eco-friendly and atom-economical synthesis of diverse and functionalized 2-pyridones 3 with potential biological activity in good to excellent yields (77-93%). When using optically active 1,2-diphenylethylenediamine 2 as the binucleophile, the in situ generated 2-pyridone intermediates are successfully transformed to novel optically active functionalized imidazoline derivatives 4 with high efficiency (up to 87% yield). In particular, this is the first report on the catalyst-free intramolecular cyclization occurring between an amide and a primary aliphatic amine for the construction of imidazoline molecules.
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Affiliation(s)
- Wei-Na Wang
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China.
| | - Ren-Ming Liu
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China.
| | - Lei Zhang
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China.
| | - Xiong-Li Liu
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China.
| | - Yi-Feng Dai
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China.
| | - Zhang-Biao Yu
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China.
| | - Li-Jun Peng
- National & Local Joint Engineering Research Center for the Exploitation of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China.
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3
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Zhang Z, Liu Y, Wang S, Zhang C, Lin J. Efficient Synthesis of 7
H
‐Chromeno[3,2‐c]quinolin‐5‐ium Salts and Quinolin‐4‐ones through Acid‐Promoted Cascade Reaction of 3‐Formylchromones and Anilines. ChemistrySelect 2022. [DOI: 10.1002/slct.202104611] [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)
- Zhong‐Wei Zhang
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education Yunnan Provincial Center for Research & Development of Natural Products School of Chemical Science and Technology Yunnan University Kunming 650091 P. R. China
| | - Yue‐Ying Liu
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education Yunnan Provincial Center for Research & Development of Natural Products School of Chemical Science and Technology Yunnan University Kunming 650091 P. R. China
| | - Si‐Yu Wang
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education Yunnan Provincial Center for Research & Development of Natural Products School of Chemical Science and Technology Yunnan University Kunming 650091 P. R. China
| | - Cong‐Hai Zhang
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education Yunnan Provincial Center for Research & Development of Natural Products School of Chemical Science and Technology Yunnan University Kunming 650091 P. R. China
| | - Jun Lin
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education Yunnan Provincial Center for Research & Development of Natural Products School of Chemical Science and Technology Yunnan University Kunming 650091 P. R. China
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4
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Zhang L, Liu RM, Wang WN, Liu XL, Dai YF, Yu ZB, Peng LJ. 3-Vinyl oxindole-chromone synthon as a skeletal reconstruction reactant for the synthesis of 2-hydroxy benzoyl pyridones. NEW J CHEM 2022. [DOI: 10.1039/d1nj06112g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The first example of 3-vinyl oxindole-chromones in the ring opening and recyclization reaction.
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Affiliation(s)
- Lei Zhang
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China
| | - Ren-Ming Liu
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China
| | - Wei-Na Wang
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China
| | - Xiong-Li Liu
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China
| | - Yi-Feng Dai
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China
| | - Zhang-Biao Yu
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China
| | - Li-Jun Peng
- National & Local Joint Engineering Research Center for the Exploition of Homology Resources of Southwest Medicine and Food, Guizhou University, Guiyang, 550025, China
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5
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Zhang B, Yang H, Wang T, Han X, Sun H, Fang L, Zhai H, Cheng B. Synthesis of 5 H-Chromeno[2,3- d]pyrimidin-5-one Derivatives via Microwave-Promoted Multicomponent Reaction. J Org Chem 2021; 86:18304-18311. [PMID: 34813338 DOI: 10.1021/acs.joc.1c02434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A microwave-promoted multicomponent reaction of 3-formylchromones, amines, and paraformaldehyde was achieved under catalyst-free and solvent-free conditions, delivering 5H-chromeno[2,3-d]pyrimidin-5-one derivatives in good to excellent yields via an unexpected annulation pathway, which further expanded the synthetic application of paraformaldehyde as a C1 building block.
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Affiliation(s)
- Biwei Zhang
- Institute of Marine Biomedicine/Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Hongjian Yang
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Engineering Laboratory of Nano Drug Slow-Release, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Taimin Wang
- Institute of Marine Biomedicine/Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Xuanzhen Han
- Institute of Marine Biomedicine/Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Haiyan Sun
- Institute of Marine Biomedicine/Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, Shenzhen 518055, China
| | - Lijing Fang
- Institute of Biomedicine and Biotechnology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, China
| | - Hongbin Zhai
- State Key Laboratory of Chemical Oncogenomics, Shenzhen Engineering Laboratory of Nano Drug Slow-Release, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Bin Cheng
- Institute of Marine Biomedicine/Hoffmann Institute of Advanced Materials, Shenzhen Polytechnic, Shenzhen 518055, China
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6
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Wu P, Ma S. Halogen-Substituted Allenyl Ketones through Ring Opening of Nonstrained Cycloalkanols. Org Lett 2021; 23:2533-2537. [PMID: 33733787 DOI: 10.1021/acs.orglett.1c00452] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An efficient synthesis of halogen-substituted allenyl ketones via Ag-catalyzed oxidative ring opening of allenyl cyclic alcohols under mild reaction conditions has been achieved. The reaction features a wide substrate scope and excellent regioselectivity. The synthetic potential of the products has been demonstrated by their conversion to stereodefined alkenes and heterocyclic compounds.
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Affiliation(s)
- Penglin Wu
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, P. R. China
| | - Shengming Ma
- Research Center for Molecular Recognition and Synthesis, Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, P. R. China
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7
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Xiao L, Lang TT, Jiang Y, Zang ZL, Zhou CH, Cai GX. Aerobic Copper-Catalyzed Salicylaldehydic C formyl -H Arylations with Arylboronic Acids. Chemistry 2021; 27:3278-3283. [PMID: 33289166 DOI: 10.1002/chem.202004810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/01/2020] [Indexed: 12/15/2022]
Abstract
We report a challenging copper-catalyzed Cformyl -H arylation of salicylaldehydes with arylboronic acids that involves unique salicylaldehydic copper species that differ from reported salicylaldehydic rhodacycles and palladacycles. This protocol has high chemoselectivity for the Cformyl -H bond compared to the phenolic O-H bond involving copper catalysis under high reaction temperatures. This approach is compatible with a wide range of salicylaldehyde and arylboronic acid substrates, including estrone and carbazole derivatives, which leads to the corresponding arylation products. Mechanistic studies show that the 2-hydroxy group of the salicylaldehyde substrate triggers the formation of salicylaldehydic copper complexes through a CuI /CuII /CuIII catalytic cycle.
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Affiliation(s)
- Lin Xiao
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Tao-Tao Lang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Ying Jiang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Zhong-Lin Zang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Cheng-He Zhou
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Gui-Xin Cai
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
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8
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Wang X, Yang Z, Miu W, Ye P, Bai M, Duan S, Shen X. A simple and convenient synthesis of 3-salicyloylquinoline-4-carboxylic esters from chromone and isatin. RSC Adv 2019; 9:37057-37060. [PMID: 35539051 PMCID: PMC9075531 DOI: 10.1039/c9ra08124k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 10/28/2019] [Indexed: 01/26/2023] Open
Abstract
A simple and convenient synthesis of 3-salicyloylquinoline-4-carboxylic esters has been developed through an AlCl3-catalyzed reaction of easily available Baylis-Hillman adducts from chromones and isatin-derivatives. This reaction involves esterification, cyclization and ring opening in a one-step process, and provides an efficient approach for easy access to a series of valuable salicyloylquinoline derivatives with high yields. Moreover, this protocol offers several advantages, such as availability of starting materials, economic availability, operational simplicity and mild reaction conditions.
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Affiliation(s)
- Xuequan Wang
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Science, Honghe University Mengzi Yunnan 661100 China
| | - Zhixin Yang
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Science, Honghe University Mengzi Yunnan 661100 China
| | - Weihang Miu
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Science, Honghe University Mengzi Yunnan 661100 China
| | - Pingting Ye
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Science, Honghe University Mengzi Yunnan 661100 China
| | - Mengjiao Bai
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Science, Honghe University Mengzi Yunnan 661100 China
| | - Suyue Duan
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Science, Honghe University Mengzi Yunnan 661100 China
| | - Xianfu Shen
- Center for Yunnan-Guizhou Plateau Chemical Functional Materials and Pollution Control, Qujing Normal University 655011 P. R. China
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9
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Feng T, He Y, Zhang X, Fan X. Synthesis of Functionalized Cyclobutane‐Fused Naphthalene Derivatives via Cascade Reactions of Allenynes with
tert
‐Butyl Nitrite. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801439] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Tian Feng
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, School of EnvironmentHenan Normal University, Xinxiang Henan 453007 People's Republic of China
| | - Yan He
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, School of EnvironmentHenan Normal University, Xinxiang Henan 453007 People's Republic of China
| | - Xinying Zhang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, School of EnvironmentHenan Normal University, Xinxiang Henan 453007 People's Republic of China
| | - Xuesen Fan
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, School of EnvironmentHenan Normal University, Xinxiang Henan 453007 People's Republic of China
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10
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Yuan H, Tang C, Su S, Cui L, Jia X, Li C, Li J. A bicyclization reaction with two molecular allenyl ketones and isocyanides: synthesis of a lactone-containing azaspirocycle derivative. Chem Commun (Camb) 2019; 55:7231-7234. [DOI: 10.1039/c9cc02785h] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A novel bicyclization reaction of two molecular allenyl ketones and isocyanides has been disclosed. This strategy allows for the construction of structurally complex spirocyclic lactam–lactone systems in an efficient manner.
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Affiliation(s)
- Hongdong Yuan
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute of Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Chongrong Tang
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute of Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Shikuan Su
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute of Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Lei Cui
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute of Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Xueshun Jia
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute of Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Chunju Li
- Key Laboratory of Inorganic–Organic Hybrid Functional Material Chemistry
- Ministry of Education
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- College of Chemistry
- Tianjin Normal University
| | - Jian Li
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute of Sustainable Energy
- Shanghai University
- Shanghai 200444
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11
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Xue B, Su S, Cui Y, Fei Y, Jia X, Li J, Fang J. Phosphine-mediated sequential annulations of allenyl ketone and isocyanide: a bicyclization strategy to access a furan-fused eight-membered ring and a spirocycle. Chem Commun (Camb) 2019; 55:12180-12183. [DOI: 10.1039/c9cc06267j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Phosphine-mediated cascade annulations of allenyl ketone and isocyanide have been disclosed. This strategy enables the efficient synthesis of a furan-fused eight-membered ring and a spirocycle.
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Affiliation(s)
- Bingxiang Xue
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute for Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Shikuan Su
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute for Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Yongmei Cui
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute for Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Youwen Fei
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute for Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Xueshun Jia
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute for Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Jian Li
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute for Sustainable Energy
- Shanghai University
- Shanghai 200444
| | - Jianhui Fang
- Department of Chemistry
- Center for Supramolecular Chemistry and Catalysis
- College of Sciences & Institute for Sustainable Energy
- Shanghai University
- Shanghai 200444
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12
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Wang Q, Zhang T, Fan Y, Fan X. Synthesis of functionalized cyclopentenes through allenic ketone-based multicomponent reactions. Org Biomol Chem 2018; 16:8854-8858. [PMID: 30411769 DOI: 10.1039/c8ob02259c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A novel and efficient synthesis of diversely functionalized cyclopentene derivatives through the multicomponent reactions of 1,2-allenic ketones with 4-chloroacetoacetate and malononitrile/cyanoacetate under mild and metal-free conditions is presented. Mechanistically, the formation of title compounds involves a cascade process including nucleophilic substitution, Michael addition and intramolecular aldol type reaction. Interestingly, when 1-phenyl allenic ketones bearing electron-donating groups on the phenyl ring were reacted with 4-chloroacetoacetate and cyanoacetate, methylenecyclo-pentanes, the regioisomer of cyclopentenes, were formed with good selectivity and high efficiency.
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Affiliation(s)
- Qiang Wang
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Coal Green Conversion, Henan Polytechnic University, Jiaozuo, Henan 454000, P. R. China.
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13
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Feng T, Tian M, Zhang X, Fan X. Tunable Synthesis of Functionalized Cyclohexa-1,3-dienes and 2-Aminobenzophenones/Benzoate from the Cascade Reactions of Allenic Ketones/Allenoate with Amines and Enones. J Org Chem 2018; 83:5313-5322. [DOI: 10.1021/acs.joc.8b00473] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tian Feng
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, China
| | - Miaomiao Tian
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xinying Zhang
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xuesen Fan
- School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, China
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