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Niu R, Zhao J, Mou Q, Zhao R, Zhang J, Wang M, Sun B. Cp
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Co (III)‐catalyzed selective C‐H alkenylation of indoles with ethynylethylene carbonates. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6863] [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)
- Ruihan Niu
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Jiakai Zhao
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Qi Mou
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Ruyuan Zhao
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Jing Zhang
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Meiqi Wang
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Bo Sun
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
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2
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Minami Y, Miyamoto H, Nakajima Y. Palladium/Carboxylic Acid‐catalyzed Alkenylation of Furfural and its Derivatives Using Alkynes. ChemCatChem 2021. [DOI: 10.1002/cctc.202001685] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Yasunori Minami
- Interdisciplinary Research Center for Catalytic Chemistry (IRC3) National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Central 5 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Hitomi Miyamoto
- Interdisciplinary Research Center for Catalytic Chemistry (IRC3) National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Central 5 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
| | - Yumiko Nakajima
- Interdisciplinary Research Center for Catalytic Chemistry (IRC3) National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba Central 5 1-1-1 Higashi Tsukuba Ibaraki 305-8565 Japan
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Minami Y, Furuya Y, Hiyama T. Facile Construction of Furanoacenes by a Three-Step Sequence Going through Disilyl-exo-cyclic Dienes. Chemistry 2020; 26:9471-9474. [PMID: 32181527 DOI: 10.1002/chem.202001119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Indexed: 11/07/2022]
Abstract
Facile synthesis of various benzonaphthofurans was achieved by intramolecular hydroarylation of 1,4-disilyl-2-aryloxy-1,3-enynes followed by cycloaddition with arynes or alkenes and finally desilylaromatization. The three-step transformation can be operated sequentially in one-pot, providing with a range of furanoacenes easily and highly effectively.
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Affiliation(s)
- Yasunori Minami
- Interdisciplinary Research Center for Catalytic Chemistry, National Institute of Advanced Industrial Science and Technology, 1-1-1, Higashi, Tsukuba, Ibaraki, 305-8565, Japan.,Research and Development Initiative, Chuo University, 1-13-27, Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Yuki Furuya
- Department of Applied Chemistry, Chuo University, 1-13-27, Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University, 1-13-27, Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
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Arcadi A, Ciogli A, Fabrizi G, Fochetti A, Franzini R, Ghirga F, Goggiamani A, Iazzetti A. Synthesis of pyrano[2,3-f]chromen-2-ones vs. pyrano[3,2-g]chromen-2-ones through site controlled gold-catalyzed annulations. Org Biomol Chem 2019; 17:10065-10072. [PMID: 31748762 DOI: 10.1039/c9ob01695c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Regioselective access to 10-substituted-2H,8H-pyrano[2,3-f]chromen-2-ones through the gold-catalyzed intramolecular hydroarylation of readily available 7-(prop-2-yn-1-yloxy)-2H-chromen-2-one derivatives at their C-8 congested position was investigated by tuning the electronic and steric properties of the ligand on the gold complex. On the other hand, the combination of the JohnPhosAu(MeCN)SbF6 catalyzed intramolecular hydroarylation of 8-iodo-7-(prop-2-yn-1-yloxy)-2H-chromen-2-one derivatives followed by selective palladium/formate C-I reduction allows for the exclusive formation of 2H,8H-pyrano[3,2-g]chromen-2-one regioisomers. The development of these two protocols provides versatile synthetic tools required for exploring the biological activities of these new pyranocoumarin derivatives.
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Affiliation(s)
- Antonio Arcadi
- Dipartimento di Scienze Fisiche e Chimiche Università degli Studi di L'Aquila, Via Vetoio, 67100 Coppito (AQ), Italy
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Lee W, Shin C, Park SE, Joo JM. Regio- and Stereoselective Synthesis of Thiazole-Containing Triarylethylenes by Hydroarylation of Alkynes. J Org Chem 2019; 84:12913-12924. [DOI: 10.1021/acs.joc.9b01619] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Woohyeong Lee
- Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Changhoon Shin
- Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Soo Eun Park
- Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Jung Min Joo
- Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 46241, Republic of Korea
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6
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Dai C, Xie Z, Qing X, Luo N, Wang C. DBU-mediated annulation of 2-aryl-3-nitro-2H-chromenes with 1,3-cyclohexanediones for the synthesis of benzofuro[2,3-c]chromenone derivatives. Mol Divers 2019; 24:191-200. [PMID: 30905029 DOI: 10.1007/s11030-019-09939-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 03/08/2019] [Indexed: 11/26/2022]
Abstract
The DBU-mediated annulations of 2-aryl-3-nitro-2H-chromenes with 1,3-cyclohexanediones have been developed. This reaction involves a highly efficient domino sequence consisting of regioselective intermolecular Michael addition, intramolecular nucleophilic addition and aromatization as key unit steps. The reaction appears to be general for a variety of 2-aryl-3-nitro-2H-chromenes and tolerates the presence of aromatic moieties with electron-withdrawing and electron-donating substituents. This transformation provides a straightforward synthetic protocol for constructing benzofuro[2,3-c]chromenone derivatives.
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Affiliation(s)
- Chenlu Dai
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Street, Yangzhou, 225002, People's Republic of China
| | - Zengyang Xie
- College of Basic Medicine, Jining Medical University, Jining, 272067, People's Republic of China
| | - Xushun Qing
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Street, Yangzhou, 225002, People's Republic of China
| | - Naili Luo
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Street, Yangzhou, 225002, People's Republic of China
| | - Cunde Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, 180 Siwangting Street, Yangzhou, 225002, People's Republic of China.
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Abstract
Protodepalladation is the redox-neutral conversion of a C-Pd(II) bond to a C-H bond promoted by a Brønsted acid. It can be viewed as the microscopic reserves of Pd(II)-mediated C-H cleavage. In the context of catalytic reaction development, protodepalladation offers a means of converting organopalladium(II) intermediates to organic products without a change in oxidation state at the metal center. Hence, when integrated into catalytic cycles, it can be a uniquely enabling elementary step. The goal of this Review is to provide an overview of protodepalladation, including exploration of different reactions types, discussion of literature examples, and analysis of mechanistic features. Our hope is that this review will stimulate other researchers in the field to pursue new applications of this underexploited step in catalysis.
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Affiliation(s)
- Miriam L. O’Duill
- School of Chemistry, NUI Galway, University Rd, Galway H91 TK33, Ireland
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
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Minami Y, Sakamaki T, Furuya Y, Hiyama T. Synthesis of Indenes by Intramolecular anti-Hydroarylation of Propargylarenes. CHEM LETT 2018. [DOI: 10.1246/cl.180508] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Takumi Sakamaki
- Department of Applied Chemistry, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Yuki Furuya
- Department of Applied Chemistry, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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Minami Y, Furuya Y, Hiyama T. Palladium/Acid‐Catalyzed Straightforward Allylation of Arenes using 1‐Substituted Propynes via Aryl C−H Bond Activation. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800234] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Yasunori Minami
- Research and Development Initiative Chuo University 1–13–27 Kasuga Bunkyo-ku Tokyo 112–8551 Japan
| | - Yuki Furuya
- Department of Applied Chemistry Chuo University 1–13–27 Kasuga Bunkyo-ku Tokyo 112–8551 Japan
| | - Tamejiro Hiyama
- Research and Development Initiative Chuo University 1–13–27 Kasuga Bunkyo-ku Tokyo 112–8551 Japan
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Minami Y, Furuya Y, Kodama T, Hiyama T. Alkenylation of Arenes Using Disubstituted Ethynes by Palladium/Carboxylic Acid Catalysis. CHEM LETT 2018. [DOI: 10.1246/cl.180143] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Yuki Furuya
- Department of Applied Chemistry, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Tatsuro Kodama
- Department of Applied Chemistry, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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Minami Y, Hiyama T. Collaborative Interaction of Carbon–Carbon Unsaturated Bond Groups with Transition-metal Catalysts for C–H Bond Functionalization. CHEM LETT 2018. [DOI: 10.1246/cl.170795] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
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