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Chutia K, Sarmah M, Gogoi P. Substituted Isocoumarins: An Assemble of Synthetic Strategies Towards 3-Substituted and 3,4-Disubstituted Isocoumarins. Chem Asian J 2023; 18:e202201240. [PMID: 36647281 DOI: 10.1002/asia.202201240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/18/2023]
Abstract
The versatility of isocoumarin frameworks offers the privilege to access many pharmacological targets. This unique heterocycle core present in many natural products and complex organic molecules contribute to medicinal chemistry as anti-cancer, anti-inflammatory and immunomodulatory agents. The attractive properties exhibited by its analogues urged the scientists to explore their synthetic analogues. In regard to the myriads of synthetic methodologies, we have compiled a review update covering all the articles that have been published towards the synthesis of 3-substituted and 3,4-disubstituted isocoumarins. Additionally, we have also highlighted a systematic survey of catalytic methods for their synthesis along with their scope towards diverse functionalizations and plausible mechanistic aspects.
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Affiliation(s)
- Kangkana Chutia
- Applied Organic Chemistry Group, Chemical Science and Technology Division CSIR-North East Institute of Science and Technology, NH 37, Pulibor, Jorhat, Assam, 785006, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, U.P., 201002, India
| | - Manashi Sarmah
- Applied Organic Chemistry Group, Chemical Science and Technology Division CSIR-North East Institute of Science and Technology, NH 37, Pulibor, Jorhat, Assam, 785006, India
| | - Pranjal Gogoi
- Applied Organic Chemistry Group, Chemical Science and Technology Division CSIR-North East Institute of Science and Technology, NH 37, Pulibor, Jorhat, Assam, 785006, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, U.P., 201002, India
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2
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Ou P, Zhu L, Yu Y, Ma L, Huang X. Palladium-Catalyzed Three-Component Selective Aminoallylation of Diazo Compounds. Org Lett 2022; 24:4160-4164. [PMID: 35657704 DOI: 10.1021/acs.orglett.2c01399] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
We describe a Xantphos-containing dinuclear palladium complex-enabled geminal aminoallylation of diazocarbonyl compounds, which selectively provides a range of quaternary α-amino esters. Direct N-H insertion, allylic alkylation of amino nucleophiles, and diene formation were not observed under standard conditions. Mechanistic studies indicated that a relayed pathway via allylation of the N-H insertion product or [2,3]-sigmatropic rearrangement of an ylide intermediate was unlikely.
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Affiliation(s)
- Pengcheng Ou
- State Key Laboratory of Structure Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Lei Zhu
- State Key Laboratory of Structure Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Yinghua Yu
- State Key Laboratory of Structure Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Liyao Ma
- State Key Laboratory of Structure Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Xueliang Huang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
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3
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Liu J, Yu Y, Huang X. Selective Access of Deuterated Dibenzo‐Fused ε‐Lactones and ε‐Lactams via Palladium Carbene Migratory Insertion Enabled 1,4‐Pd Shift. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200058] [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)
- Jinling Liu
- FIRSM: Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Fujian Institute of Research on the Structure of Matter CHINA
| | - Yinghua Yu
- Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter Fujian Institute of Research on the Structure of Matter CHINA
| | - Xueliang Huang
- Hunan Normal University - Erliban Campus: Hunan Normal University College of Chemistry and Chemical Engineerring Lushan Road 36Yuelu district 410081 Changsha CHINA
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4
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Zhu YM, Fang Y, Li H, Xu XP, Ji SJ. Divergent Reaction of Isocyanides with o-Bromobenzaldehydes: Synthesis of Ketenimines and Lactams with Isoindolinone Cores. Org Lett 2021; 23:7342-7347. [PMID: 34523342 DOI: 10.1021/acs.orglett.1c02422] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A divergent reaction of isocyanides with o-bromobenzaldehydes for the synthesis of isoindolinone-derived ketenimines and lactams was disclosed. The reaction features readily available reactants, relatively mild conditions, and high yields of products. Ketenimines could be applied in further transformations for access to other functional molecules. A mechanism study showed that the palladium-migration/imine-insertion process was the key step in this reaction.
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Affiliation(s)
- Yi-Ming Zhu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People's Republic of China
| | - Yizhan Fang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People's Republic of China
| | - Haiyan Li
- Analysis and Testing Center, Soochow University, Suzhou 215123, People's Republic of China
| | - Xiao-Ping Xu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People's Republic of China.,Innovation Center for Chemical Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Shun-Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People's Republic of China
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5
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Jin H, Chen X, Qian C, Ge X, Zhou S. Transition‐Metal‐Free, General Construction of Thioamides from Chlorohydrocarbon, Amide and Elemental Sulfur. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100588] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Hao Jin
- College of Chemical and Biological Engineering Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology Zhejiang University Zheda Rd. 38 310027 Hangzhou P. R. China
- Institute of Zhejiang University – Quzhou Zhejiang University Jiuhua Boulevard North 78 324000 Quzhou P. R. China
| | - Xinzhi Chen
- College of Chemical and Biological Engineering Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology Zhejiang University Zheda Rd. 38 310027 Hangzhou P. R. China
- Institute of Zhejiang University – Quzhou Zhejiang University Jiuhua Boulevard North 78 324000 Quzhou P. R. China
| | - Chao Qian
- College of Chemical and Biological Engineering Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology Zhejiang University Zheda Rd. 38 310027 Hangzhou P. R. China
- Institute of Zhejiang University – Quzhou Zhejiang University Jiuhua Boulevard North 78 324000 Quzhou P. R. China
| | - Xin Ge
- School of Chemical and Material Engineering Jiangnan University Lihu Avenue 1800 214122 Wuxi P. R. China
| | - Shaodong Zhou
- College of Chemical and Biological Engineering Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology Zhejiang University Zheda Rd. 38 310027 Hangzhou P. R. China
- Institute of Zhejiang University – Quzhou Zhejiang University Jiuhua Boulevard North 78 324000 Quzhou P. R. China
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6
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Mondal S, Ballav T, Biswas K, Ghosh S, Ganesh V. Exploiting the Versatility of Palladium Catalysis: A Modern Toolbox for Cascade Reactions. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100312] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Sourav Mondal
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Tamal Ballav
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Krishna Biswas
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Suman Ghosh
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
| | - Venkataraman Ganesh
- Department of Chemistry Indian Institute of Technology Kharagpur Kharagpur 721 302 West Bengal India
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7
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Shablykina OV, Shilin SV, Moskvina VS, Ishchenko VV, Khilya VP. Progress in the Chemistry of Amino-Acid Derivatives of Isocoumarins and 3,4-Dihydroisocoumarins. Chem Nat Compd 2021. [DOI: 10.1007/s10600-021-03323-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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8
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Ma L, Yu Y, Xin L, Zhu L, Xia J, Ou P, Huang X. Visible Light Enabled Formal Cross Silyl Benzoin Reaction as an Access to α‐Hydroxyketones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100186] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Liyao Ma
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 People's Republic of China
- College of Chemistry Fuzhou University Fuzhou 350116 People's Republic of China
| | - Yinghua Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 People's Republic of China
| | - Luoting Xin
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 People's Republic of China
| | - Lei Zhu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 People's Republic of China
| | - Jiajin Xia
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 People's Republic of China
| | - Pengcheng Ou
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 People's Republic of China
- College of Chemistry Fuzhou University Fuzhou 350116 People's Republic of China
| | - Xueliang Huang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research Ministry of Education of China Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province College of Chemistry and Chemical Engineering Hunan Normal University Changsha Hunan 410081 People's Republic of China
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 People's Republic of China
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9
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Xin L, Wan W, Yu Y, Wan Q, Ma L, Huang X. Construction of Protoberberine Alkaloid Core through Palladium Carbene Bridging C–H Bond Functionalization and Pyridine Dearomatization. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05156] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Luoting Xin
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Wan Wan
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Yinghua Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Qiuling Wan
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Liyao Ma
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Xueliang Huang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, Hunan 410081, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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10
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Recent Advances in Palladium-Catalyzed Bridging C–H Activation by Using Alkenes, Alkynes or Diazo Compounds as Bridging Reagents. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1707268] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
AbstractTransition-metal-catalyzed direct inert C–H bond functionalization has attracted much attention over the past decades. However, because of the high strain energy of the suspected palladacycle generated via C–H bond palladation, direct functionalization of a C–H bond less than a three-bond distance from a catalyst center is highly challenging. In this short review, we summarize the advances on palladium-catalyzed bridging C–H activation, in which an inert proximal C–H bond palladation is promoted by the elementary step of migratory insertion of an alkene, an alkyne or a metal carbene intermediate.1 Introduction2 Palladium-Catalyzed Alkene Bridging C–H Activation2.1 Intramolecular Reactions2.2 Intermolecular Reactions3 Palladium-Catalyzed Alkyne Bridging C–H Activation3.1 Intermolecular Reactions3.2 Intramolecular Reactions4 Palladium-Catalyzed Carbene Bridging C–H Activation5 Conclusion and Outlook
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11
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Ma L, Ou P, Huang X. Divergent synthesis of 1,3,5-tri and 1,3-disubstituted pyrazoles under transition metal-free conditions. Org Biomol Chem 2020; 18:6487-6491. [PMID: 32785327 DOI: 10.1039/d0ob01478h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Pyrazole cores are common structural motifs existing in various agrochemicals and pharmaceuticals. Herein, a transition metal-free, three-component reaction of arylaldehydes, ethyl acrylate and N-tosylhydrazones is described, which leads to the formation of 1,3,5-trisubstituted and 1,3-disubstituted pyrazoles divergently under slightly different conditions.
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Affiliation(s)
- Liyao Ma
- College of Chemistry, Fuzhou University, Fuzhou 350116, China and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
| | - Pengcheng Ou
- College of Chemistry, Fuzhou University, Fuzhou 350116, China and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
| | - Xueliang Huang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
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12
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Yu Y, Ma L, Xia J, Xin L, Zhu L, Huang X. A Modular Approach to Dibenzo‐fused ϵ‐Lactams: Palladium‐Catalyzed Bridging‐C−H Activation. Angew Chem Int Ed Engl 2020; 59:18261-18266. [DOI: 10.1002/anie.202007799] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Indexed: 12/22/2022]
Affiliation(s)
- Yinghua Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Liyao Ma
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jiajin Xia
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Luoting Xin
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lei Zhu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xueliang Huang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
- State Key Laboratory of Elemento-Organic Chemistry Nankai University Tianjin 300071 China
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13
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Yu Y, Ma L, Xia J, Xin L, Zhu L, Huang X. A Modular Approach to Dibenzo‐fused ϵ‐Lactams: Palladium‐Catalyzed Bridging‐C−H Activation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007799] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yinghua Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Liyao Ma
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Jiajin Xia
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Luoting Xin
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lei Zhu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xueliang Huang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Fujian College Chinese Academy of Sciences Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 China
- State Key Laboratory of Elemento-Organic Chemistry Nankai University Tianjin 300071 China
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14
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Zhang H, Yu Y, Huang X. Facile access to 2,2-diaryl 2H-chromenes through a palladium-catalyzed cascade reaction of ortho-vinyl bromobenzenes with N-tosylhydrazones. Org Biomol Chem 2020; 18:5115-5119. [PMID: 32596707 DOI: 10.1039/d0ob00978d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A palladium-catalyzed cascade reaction of ortho-vinyl bromobenzenes with N-tosylhydrazones has been developed, which provides a facile approach to 2,2-disubstituted 2H-chromenes. The migration of palladium from the aryl to vinyl position is crucial, as the in situ produced vinyl palladium intermediate could further react with diazo compounds to generate the reactive species for the sequential annulation.
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Affiliation(s)
- Heng Zhang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. and University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yinghua Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
| | - Xueliang Huang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China. and University of Chinese Academy of Sciences, Beijing 100049, P. R. China
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15
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Ren X, Zhu L, Yu Y, Wang ZX, Huang X. Understanding the Chemoselectivity in Palladium-Catalyzed Three-Component Reaction of o-Bromobenzaldehyde, N-Tosylhydrazone, and Methanol. Org Lett 2020; 22:3251-3257. [PMID: 32227902 DOI: 10.1021/acs.orglett.0c01040] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
To understand the ligand-controlled palladium-catalyzed coupling of o-bromobenzaldehyde, N-tosylhydrazone, and methanol to give methyl 2-benzylbenzoic ester or methyl ether, we herein investigated the mechanisms which account for how C-C and C-O bonds are formed and why bidentate dppf/dppb ligands afford ester, whereas P(o-tolyl)3 ligand gives ether. The ester chemoselectivity of the bidentate ligands is attributed to the strong electron-donating effect that disfavors the C,Br-reductive elimination of the coupling intermediate of o-bromobenzaldehyde and N-tosylhydrazone.
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Affiliation(s)
- Xiaojian Ren
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Zhu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Yinghua Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Zhi-Xiang Wang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Xueliang Huang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Fujian College, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
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16
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Zhu L, Ren X, Yu Y, Ou P, Wang ZX, Huang X. Palladium-Catalyzed Three-Component Coupling Reaction of o-Bromobenzaldehyde, N-Tosylhydrazone, and Methanol. Org Lett 2020; 22:2087-2092. [DOI: 10.1021/acs.orglett.0c00579] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Lei Zhu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Xiaojian Ren
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Yinghua Yu
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Pengcheng Ou
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Zhi-Xiang Wang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Xueliang Huang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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