1
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Arii H, Nakane D, Nakao K, Masuda H, Kawashima T. Dehydrogenative Annulation of Silylated 1 H-Indoles with Alkynes via Silyl Migration. Org Lett 2023. [PMID: 37449923 DOI: 10.1021/acs.orglett.3c01650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
We investigated the dehydrogenative annulation of silylated 1H-indole derivatives with alkynes to synthesize a silole-fused indole. The addition of the in situ generated silylium ion to alkynes was followed by the sila-Friedel-Crafts reaction via silyl migration, realizing regioselective dehydrogenative annulation controlled by the steric bulkiness of a base. The optical properties of the obtained siloloindoles indicated fluorescence of which the intensity depends on the location of the fused silole.
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Affiliation(s)
- Hidekazu Arii
- Faculty of Education, University of Miyazaki, 1-1 Gakuen Kibanadai Nishi, Miyazaki 889-2192, Japan
| | - Daisuke Nakane
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Kenichi Nakao
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Hideki Masuda
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan
| | - Takayuki Kawashima
- Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Gunma, Japan
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2
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Matsuda T, Yonekubo N. Ruthenium-catalysed cyclisation reactions of 1,11-dien-6-ynes leading to biindenes. Org Biomol Chem 2020; 18:1760-1764. [DOI: 10.1039/d0ob00179a] [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
1,1′-Biindenes were prepared from 1,2-bis(2-allylphenyl)ethynes via cycloisomerisation and tandem RCM reactions, both of which are catalysed by ruthenium.
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Affiliation(s)
- Takanori Matsuda
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Naoto Yonekubo
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
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3
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Gimferrer M, Minami Y, Noguchi Y, Hiyama T, Poater A. Monitoring of the Phosphine Role in the Mechanism of Palladium-Catalyzed Benzosilole Formation from Aryloxyethynyl Silanes. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00102] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Martí Gimferrer
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17003 Girona, Catalonia, Spain
| | - Yasunori Minami
- Research and Development Initiative, Chuo University, 1-13-27, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Yuta Noguchi
- 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
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, Campus Montilivi, 17003 Girona, Catalonia, Spain
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4
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Yang Q, Liu L, Chi Y, Hao W, Zhang WX, Xi Z. Rhodium-catalyzed intramolecular carbosilylation of alkynes via C(sp3)–Si bond cleavage. Org Chem Front 2018. [DOI: 10.1039/c7qo00927e] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Rh(i)-catalyzed intramolecular cis-carbosilylation of alkynes was achieved to afford silatricyclic compounds in good yields.
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Affiliation(s)
- Qi Yang
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education
- College of Chemistry
- Peking University
- Beijing 100871
| | - Liang Liu
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education
- College of Chemistry
- Peking University
- Beijing 100871
| | - Yue Chi
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education
- College of Chemistry
- Peking University
- Beijing 100871
| | - Wei Hao
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education
- College of Chemistry
- Peking University
- Beijing 100871
| | - Wen-Xiong Zhang
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education
- College of Chemistry
- Peking University
- Beijing 100871
| | - Zhenfeng Xi
- Beijing National Laboratory for Molecular Sciences
- Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education
- College of Chemistry
- Peking University
- Beijing 100871
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5
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Minami Y, Noguchi Y, Hiyama T. Synthesis of Benzosiloles by Intramolecular anti-Hydroarylation via ortho-C-H Activation of Aryloxyethynyl Silanes. J Am Chem Soc 2017; 139:14013-14016. [PMID: 28933842 DOI: 10.1021/jacs.7b08055] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Straightforward synthesis of benzosiloles was achieved by the invention of Pd/acid-catalyzed intramolecular anti-hydroarylation of aryloxyethynyl(aryl)silanes via ortho-C-H bond activation. The aryloxy group bound to the ethynyl carbon is the key factor for this transformation.
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Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University , 1-13-27, Kasuga, Bunkyo-ku, Tokyo 112-8551, Japan
| | - Yuta Noguchi
- 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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6
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Arii H, Nakabayashi K, Mochida K, Kawashima T. Intramolecular Chain Hydrosilylation of Alkynylphenylsilanes Using a Silyl Cation as a Chain Carrier. Molecules 2016; 21:E999. [PMID: 27490522 PMCID: PMC6273890 DOI: 10.3390/molecules21080999] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 07/25/2016] [Accepted: 07/27/2016] [Indexed: 12/01/2022] Open
Abstract
Diorganyl[2-(trimethylsilylethynyl)phenyl]silanes 1a-c and methyl-substituted phenylsilanes 1d and 1e were treated with a small amount of trityl tetrakis(pentafluorophenyl)borate (TPFPB) as an initiator in benzene to afford the corresponding benzosiloles (2a-e) in moderate to good yields. However, no reaction was observed for the reaction using [2-(1-hexynyl)phenyl]diisopropylsilane lf. The methyl substituent was tolerated under the reaction conditions and increased the yield of the corresponding benzosilole depending on the substitution position. From the result using 1f, the current reaction was found to require the trimethylsilyl group, which can stabilize intermediary alkenyl carbocations by the β-silyl effect. The current reaction can be considered an intramolecular chain hydrosilylation of alkynylarylsilanes involving silyl cations as chain carriers. Therefore, the silyl cations generated by hydride abstraction from hydrosilanes 1 with the trityl cation causes intramolecular electrophilic addition to the C-C triple bond to form ethenyl cations, which abstract a hydride from 1 to afford benzosiloles 2 with the regeneration of the silyl cations.
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Affiliation(s)
- Hidekazu Arii
- Faculty of Education, University of Miyazaki, 1-1 Gakuen Kibanadai Nishi, Miyazaki, 889-2192 Miyazaki, Japan.
| | - Kenichi Nakabayashi
- Faculty of Education, University of Miyazaki, 1-1 Gakuen Kibanadai Nishi, Miyazaki, 889-2192 Miyazaki, Japan.
| | - Kunio Mochida
- Department of Chemistry, Gakushuin University, 1-5-1 Mejiro, Toshima-ku, 171-8588 Tokyo, Japan.
| | - Takayuki Kawashima
- Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu, 376-8515 Gunma, Japan.
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7
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Wu B, Yoshikai N. Recent developments in synthetic methods for benzo[b]heteroles. Org Biomol Chem 2016; 14:5402-16. [PMID: 26892101 DOI: 10.1039/c6ob00219f] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Benzo[b]heteroles containing heteroatoms other than nitrogen and oxygen have received considerable attention for their potential applications in materials science. This poses an increasing demand for efficient, selective, and broad-scope methods for their synthesis. This review article summarizes the recent developments in synthetic methods and approaches to access representative members of the benzoheterole family.
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Affiliation(s)
- Bin Wu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore.
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8
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Mallick A, Mallikharjunarao Y, Rajasekaran P, Roy R, Vankar YD. AuIII-Halide/Phenylacetylene-Catalysed Glycosylations Using 1-O-Acetylfuranoses and Pyranose 1,2-Orthoesters as Glycosyl Donors. European J Org Chem 2015. [DOI: 10.1002/ejoc.201501245] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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9
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Affiliation(s)
- Minqiang Jia
- Department of Chemistry “G. Ciamician”, Alma Mater Studiorum − University of Bologna, Via Selmi 2, 40126 Bologna, Italy
| | - Marco Bandini
- Department of Chemistry “G. Ciamician”, Alma Mater Studiorum − University of Bologna, Via Selmi 2, 40126 Bologna, Italy
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10
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Xu L, Zhang S, Li P. Synthesis of silafluorenes and silaindenes via silyl radicals from arylhydrosilanes: intramolecular cyclization and intermolecular annulation with alkynes. Org Chem Front 2015. [DOI: 10.1039/c5qo00012b] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Effective synthetic methods, involving silyl radical intermediates and furnishing silafluorenes and silaindenes via direct Si–H and C–H cleavage in one step, have been developed.
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Affiliation(s)
- Liang Xu
- Center for Organic Chemistry
- Frontier Institute of Science and Technology (FIST) and Frontier Institute of Chemistry
- Xi'an Jiaotong University
- Xi'an
- China
| | - Shuai Zhang
- Center for Organic Chemistry
- Frontier Institute of Science and Technology (FIST) and Frontier Institute of Chemistry
- Xi'an Jiaotong University
- Xi'an
- China
| | - Pengfei Li
- Center for Organic Chemistry
- Frontier Institute of Science and Technology (FIST) and Frontier Institute of Chemistry
- Xi'an Jiaotong University
- Xi'an
- China
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11
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Shintani R, Kurata H, Nozaki K. Rhodium-catalyzed intramolecular alkynylsilylation of alkynes. Chem Commun (Camb) 2015; 51:11378-81. [DOI: 10.1039/c5cc04172d] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rhodium-catalyzed intramolecular alkynylsilylation of alkynes is described, including its enantioselective variant for the creation of a silicon stereogenic center.
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Affiliation(s)
- Ryo Shintani
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Hiroki Kurata
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Kyoko Nozaki
- Department of Chemistry and Biotechnology
- Graduate School of Engineering
- The University of Tokyo
- Bunkyo-ku
- Japan
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12
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Liu S, Zhao J, Kaminsky L, Wilson RJ, Marino N, Clark DA. Ethylene Transposition: Ruthenium Hydride Catalyzed Intramolecular trans-Silylvinylation of Internal Alkynes. Org Lett 2014; 16:4456-9. [DOI: 10.1021/ol5020027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shasha Liu
- Department of Chemistry,
1-014 Center for Science and Technology, Syracuse University, Syracuse, New York 13244, United States
| | - Jinbo Zhao
- Department of Chemistry,
1-014 Center for Science and Technology, Syracuse University, Syracuse, New York 13244, United States
| | - Lauren Kaminsky
- Department of Chemistry,
1-014 Center for Science and Technology, Syracuse University, Syracuse, New York 13244, United States
| | - Robert J. Wilson
- Department of Chemistry,
1-014 Center for Science and Technology, Syracuse University, Syracuse, New York 13244, United States
| | - Nadia Marino
- Department of Chemistry,
1-014 Center for Science and Technology, Syracuse University, Syracuse, New York 13244, United States
| | - Daniel A. Clark
- Department of Chemistry,
1-014 Center for Science and Technology, Syracuse University, Syracuse, New York 13244, United States
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13
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Zhou T, Xia Y. Substrate-Dependent Mechanisms for the Gold(I)-Catalyzed Cycloisomerization of Silyl-Tethered Enynes: A Computational Study. Organometallics 2014. [DOI: 10.1021/om500499s] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Tao Zhou
- College
of Chemistry and
Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
| | - Yuanzhi Xia
- College
of Chemistry and
Materials Engineering, Wenzhou University, Wenzhou 325035, People’s Republic of China
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14
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Zhang QW, An K, He W. Rhodium-Catalyzed Tandem Cyclization/SiC Activation Reaction for the Synthesis of Siloles. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201400828] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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15
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Rhodium-Catalyzed Tandem Cyclization/SiC Activation Reaction for the Synthesis of Siloles. Angew Chem Int Ed Engl 2014; 53:5667-71. [DOI: 10.1002/anie.201400828] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Indexed: 11/07/2022]
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16
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Zhou T, Xu L, Xia Y. Noninnocent counterion effect on the rearrangements of cationic intermediates in a gold(I)-catalyzed alkenylsilylation reaction. Org Lett 2013; 15:6074-7. [PMID: 24215400 DOI: 10.1021/ol4029644] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A mechanistic DFT study of the gold(I)-catalyzed alkenylsilylation reaction of a silyl-tethered 1,6-enyne system is reported. A novel pathway involving bistriflimide counterion-assisted rearrangements of carbocation and silyl cation intermediates corroborates the experimental observations. The results suggest the important role of the counterion in modulating the reactivity of cationic intermediates in gold catalysis.
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Affiliation(s)
- Tao Zhou
- College of Chemistry and Materials Engineering, Wenzhou University , Wenzhou 325035, P. R. China
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17
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Yu Z, Lan Y. Mechanism of Rhodium-Catalyzed Carbon–Silicon Bond Cleavage for the Synthesis of Benzosilole Derivatives: A Computational Study. J Org Chem 2013; 78:11501-7. [DOI: 10.1021/jo402070f] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Zhaoyuan Yu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400030 China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400030 China
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18
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Onoe M, Baba K, Kim Y, Kita Y, Tobisu M, Chatani N. Rhodium-Catalyzed Carbon–Silicon Bond Activation for Synthesis of Benzosilole Derivatives. J Am Chem Soc 2012; 134:19477-88. [DOI: 10.1021/ja3096174] [Citation(s) in RCA: 132] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Masahiro Onoe
- Department of Applied
Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Katsuaki Baba
- Department of Applied
Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yoonjoo Kim
- Department of Applied
Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yusuke Kita
- Department of Applied
Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Mamoru Tobisu
- Department of Applied
Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
- Center for Atomic
and Molecular Technologies, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied
Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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19
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Sakiyama N, Noguchi K, Tanaka K. Rhodium-catalyzed intramolecular cyclization of naphthol- or phenol-linked 1,6-enynes through the cleavage and formation of sp2 C-O bonds. Angew Chem Int Ed Engl 2012; 51:5976-80. [PMID: 22532495 DOI: 10.1002/anie.201201186] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Revised: 03/22/2012] [Indexed: 11/06/2022]
Affiliation(s)
- Norifumi Sakiyama
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
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20
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Sakiyama N, Noguchi K, Tanaka K. Rhodium-Catalyzed Intramolecular Cyclization of Naphthol- or Phenol-Linked 1,6-Enynes Through the Cleavage and Formation of sp2CO Bonds. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201201186] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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21
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Cheng B, Huang G, Xu L, Xia Y. Mechanism of the N-protecting group dependent annulations of 3-aryloxy alkynyl indoles under gold catalysis: a computational study. Org Biomol Chem 2012; 10:4417-23. [DOI: 10.1039/c2ob25316j] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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22
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Matsuda T, Ichioka Y. Rhodium-catalysed intramolecular trans-bis-silylation of alkynes to synthesise 3-silyl-1-benzosiloles. Org Biomol Chem 2012; 10:3175-7. [DOI: 10.1039/c2ob25242b] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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