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Hayashi D, Tsuda T, Shintani R. Palladium-Catalyzed Skeletal Rearrangement of Substituted 2-Silylaryl Triflates via 1,5-C-Pd/C-Si Bond Exchange. Angew Chem Int Ed Engl 2023; 62:e202313171. [PMID: 37935641 DOI: 10.1002/anie.202313171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/09/2023]
Abstract
A palladium-catalyzed skeletal rearrangement of 2-(2-allylarylsilyl)aryl triflates has been developed to give highly fused tetrahydrophenanthrosilole derivatives via unprecedented 1,5-C-Pd/C-Si bond exchange. The reaction pathways can be switched toward 4-membered ring-forming C(sp2 )-H alkylation by tuning the reaction conditions to give completely different products, fused dihydrodibenzosilepin derivatives, from the same starting materials. The inspection of the reaction conditions revealed the importance of carboxylates in promoting the C-Pd/C-Si bond exchange.
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Affiliation(s)
- Daigo Hayashi
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Tomohiro Tsuda
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Ryo Shintani
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka 565-0871, Japan
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2
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Moniwa H, Yamanaka M, Shintani R. Copper-Catalyzed Regio- and Stereoselective Formal Hydro(borylmethylsilyl)ation of Internal Alkynes via Alkenyl-to-Alkyl 1,4-Copper Migration. J Am Chem Soc 2023; 145:23470-23477. [PMID: 37852271 DOI: 10.1021/jacs.3c06187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2023]
Abstract
Catalytic reactions involving 1,n-metal migration from carbon to carbon enable a nonclassical way of constructing organic molecular skeletons, rapidly providing complex molecules from relatively simple precursors. By utilization of this attractive feature, a new and efficient synthesis of alkenylsilylmethylboronates has been developed by formal hydro(borylmethylsilyl)ation of unsymmetric internal alkynes with silylboronates under copper catalysis. The reaction proceeds regioselectively and involves an unprecedented alkenyl-to-alkyl 1,4-copper migration. The reaction mechanism has been investigated by a series of kinetic, NMR, and deuterium-labeling experiments.
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Affiliation(s)
- Hirokazu Moniwa
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka560-8531, Japan
| | - Masahiro Yamanaka
- Department of Chemistry and Research Center for Smart Molecules, Faculty of Science, Rikkyo University, Toshima-ku, Tokyo 171-8501, Japan
| | - Ryo Shintani
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka560-8531, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka565-0871, Japan
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3
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Liu T, Han L, Zhang J, Lu G. Multiple Reaction Pathways of Eight-Membered Rhodacycles in Rh-Catalyzed Annulations of 2-Alkenyl Phenols/Anilides with Alkynes. J Org Chem 2021; 86:10484-10491. [PMID: 34313437 DOI: 10.1021/acs.joc.1c01143] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Density functional theory calculations were performed to study the competing pathways of rhodacycle intermediates generated in Rh(III)-catalyzed annulations of 2-alkenyl phenols and 2-alkenyl anilides with alkynes. The results show that the multiple pathways of eight-membered rhodacycles can be subtly tuned to give specific cyclic products. The seven-membered oxacyclic and spirocyclic products from 2-alkenyl phenols are formed by favoring the pathway of dissociating the Rh-O bond of O-contained rhodacycles, which are followed by antarafacial nucleophilic attack. The indoline product from 2-alkenyl anilides is generated through the pathway of intramolecular olefin migratory insertion of the N-contained rhodacycle.
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Affiliation(s)
- Tao Liu
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong 273155, China
| | - Lingli Han
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong 273155, China
| | - Jing Zhang
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong 273155, China
| | - Gang Lu
- School of Chemistry and Chemical Engineering, Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, Shandong 250100, China
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4
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Tsuda T, Choi SM, Shintani R. Palladium-Catalyzed Synthesis of Dibenzosilepin Derivatives via 1,n-Palladium Migration Coupled with anti-Carbopalladation of Alkyne. J Am Chem Soc 2021; 143:1641-1650. [DOI: 10.1021/jacs.0c12453] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tomohiro Tsuda
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Seung-Min Choi
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Ryo Shintani
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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5
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Wu K, Ling Y, Sun N, Hu B, Shen Z, Jin L, Hu X. Ni-catalyzed reductive decyanation of nitriles with ethanol as the reductant. Chem Commun (Camb) 2021; 57:2273-2276. [DOI: 10.1039/d0cc07743g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Ethanol, as an environmentally friendly and renewable reagent, was applied as a hydride donor to convert C–CN to C–H bonds in this nickel-catalyzed protocol.
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Affiliation(s)
- Ke Wu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310032
- P. R. China
| | - Yichen Ling
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310032
- P. R. China
| | - Nan Sun
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310032
- P. R. China
| | - Baoxiang Hu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310032
- P. R. China
| | - Zhenlu Shen
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310032
- P. R. China
| | - Liqun Jin
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310032
- P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
| | - Xinquan Hu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou 310032
- P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
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6
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Wang M, Shi Z. Methodologies and Strategies for Selective Borylation of C-Het and C-C Bonds. Chem Rev 2020; 120:7348-7398. [PMID: 32597639 DOI: 10.1021/acs.chemrev.9b00384] [Citation(s) in RCA: 177] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Organoborons have emerged as versatile building blocks in organic synthesis to achieve molecular diversity and as carboxylic acid bioisosteres with broad applicability in drug discovery. Traditionally, these compounds are prepared by the substitution of Grignard/lithium reagents with electrophilic boron species and Brown hydroboration. Recent developments have provided new routes for the efficient preparation of organoborons by applying reactions using chemical feedstocks with leaving groups. As compared to the previous methods that used organic halides (I, Br, and Cl), the direct borylation of less reactive C-Het and C-C bonds has become highly important to get efficiency and functional-group compatibility. This Review aims to provide a comprehensive overview of this topic, including (1) C-F bond borylation, (2) C-O bond borylation, (3) C-S bond borylation, (4) C-N bond borylation, and (5) C-C bond borylation. Considerable attention is given to the strategies and mechanisms involved. We expect that this Review will inspire chemists to discover more efficient transformations to expand this field.
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Affiliation(s)
- Minyan Wang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Zhuangzhi Shi
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
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7
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Tan NSL, Nealon GL, Lynam JM, Sobolev AN, Rowles MR, Ogden MI, Massi M, Lowe AB. A (2-(naphthalen-2-yl)phenyl)rhodium(i) complex formed by a proposed intramolecular 1,4-ortho-to-ortho' Rh metal-atom migration and its efficacy as an initiator in the controlled stereospecific polymerisation of phenylacetylene. Dalton Trans 2019; 48:16437-16447. [PMID: 31651004 DOI: 10.1039/c9dt02953b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The synthesis of a novel Rh(i)-aryl complex is detailed and its ability to serve as an initiator in the stereospecific polymerisation of phenylacetylene evaluated. Targeting the Rh(i) species, (2-phenylnaphthalen-1-yl)rhodium(i)(2,5-norbornadiene)tris(para-fluorophenylphosphine), Rh(nbd)(P(4-FC6H4)3)(2-PhNapth), following recrystallization we obtained the isomeric (2-(naphthalen-2-yl)phenyl)rhodium(i) complex, Rh(nbd)(P(4-FC6H4)3)(2-NapthPh), as determined by X-ray single-crystal structure analysis, and confirmed by X-ray powder diffraction. The isolation of the latter species was proposed to occur from the target (2-PhNapth) derivative via an intramolecular 1,4-Rh atom migration. This supposition was supported by density functional theory (DFT) calculations that indicated the isolated (2-NapthPh) derivative has lower energy (-19 kJ mol-1) than the targeted complex. The structure of the isolated (2-NapthPh) species was confirmed by multinuclear NMR spectroscopy including 2D 31P-103Rh{1H, 103Rh}, heteronuclear multiple-quantum correlation (HMQC) experiments; however, NMR analysis indicated the presence of a second, minor species in solution in an approximate 1 : 4 ratio with the 2-NapthPh complex. The minor species was identified as a second structural isomer, the 3-phenylnaphthyl derivative, proposed to be formed under a dynamic equilibrium with the 2-NapthPh derivative via a second 1,4-Rh atom migration. DFT calculations indicate that this 1,4-migration proceeds through a low-energy pathway involved in the oxidative addition of a C-H bond to Rh followed by a reductive elimination with the distribution of the products being thermodynamically controlled. The recrystallized Rh(nbd)(P(4-FC6H4)3)(2-NapthPh) complex was subsequently evaluated as an initiator in the polymerisation of phenylacetylene (PA); gratifyingly, the Rh(i) species was an active initiating species with the pseudo-first-order kinetic and molecular weight evolution vs time plots both linear implying a controlled polymerisation while yielding (co)polymers with low dispersities (Đ = Mw/Mn typically ≤1.25) and high cis-transoidal stereoregularity (>95%). Typical initiation efficiencies, while not quantitative (as judged by size exclusion chromatography), were nonetheless high at ca. 0.8. The presence of the minor 3-phenylnaphthyl species when in solution is proposed to be the cause of the observed non-quantitative initiation.
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Affiliation(s)
- Nicholas Sheng Loong Tan
- Curtin Institute for Functional Molecules and Interfaces (CIFMI) and School of Molecular and Life Sciences (MLS), Curtin University, Bentley, Perth, WA 6102, Australia.
| | - Gareth L Nealon
- Centre for Microscopy, Characterisation and Analysis (CMCA), M310, University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia.
| | - Jason M Lynam
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK.
| | - Alexandre N Sobolev
- Centre for Microscopy, Characterisation and Analysis (CMCA), M310, University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia.
| | - Matthew R Rowles
- John de Laeter Centre, Curtin University, Bentley, Perth, WA 6102, Australia
| | - Mark I Ogden
- Curtin Institute for Functional Molecules and Interfaces (CIFMI) and School of Molecular and Life Sciences (MLS), Curtin University, Bentley, Perth, WA 6102, Australia.
| | - Massimiliano Massi
- Curtin Institute for Functional Molecules and Interfaces (CIFMI) and School of Molecular and Life Sciences (MLS), Curtin University, Bentley, Perth, WA 6102, Australia.
| | - Andrew B Lowe
- Curtin Institute for Functional Molecules and Interfaces (CIFMI) and School of Molecular and Life Sciences (MLS), Curtin University, Bentley, Perth, WA 6102, Australia.
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8
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Miwa T, Shintani R. Rhodium-Catalyzed Synthesis of Silicon-Bridged 1,2-Dialkenylbenzenes via 1,4-Rhodium Migration. Org Lett 2019; 21:1627-1631. [DOI: 10.1021/acs.orglett.9b00167] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Takuya Miwa
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Ryo Shintani
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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9
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Zhang SS, Hu TJ, Li MY, Song YK, Yang XD, Feng CG, Lin GQ. Asymmetric Alkenylation of Enones and Imines Enabled by A Highly Efficient Aryl to Vinyl 1,4-Rhodium Migration. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813585] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Shu-Sheng Zhang
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Tian-Jiao Hu
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
| | - Meng-Yao Li
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
| | - Yi-Kang Song
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Xiao-Di Yang
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Chen-Guo Feng
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
| | - Guo-Qiang Lin
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
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10
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Zhang SS, Hu TJ, Li MY, Song YK, Yang XD, Feng CG, Lin GQ. Asymmetric Alkenylation of Enones and Imines Enabled by A Highly Efficient Aryl to Vinyl 1,4-Rhodium Migration. Angew Chem Int Ed Engl 2019; 58:3387-3391. [PMID: 30644152 DOI: 10.1002/anie.201813585] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Shu-Sheng Zhang
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Tian-Jiao Hu
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
| | - Meng-Yao Li
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
| | - Yi-Kang Song
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Xiao-Di Yang
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
| | - Chen-Guo Feng
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
| | - Guo-Qiang Lin
- Innovation Research Institute of Traditional Chinese Medicine; Shanghai University of Traditional Chinese Medicine; Shanghai 201203 China
- Key Laboratory of Synthetic Chemistry of Natural Substances; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; Shanghai 200032 China
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11
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Xiao P, Gao L, Song Z. Recent Progress in the Transition‐Metal‐Catalyzed Activation of Si−Si Bonds To Form C−Si Bonds. Chemistry 2018; 25:2407-2422. [PMID: 30160810 DOI: 10.1002/chem.201803803] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Peihong Xiao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of PharmacySichuan University Chengdu 610064 P.R. China
| | - Lu Gao
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of PharmacySichuan University Chengdu 610064 P.R. China
| | - Zhenlei Song
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of PharmacySichuan University Chengdu 610064 P.R. China
- State Key Laboratory of Elemento-organic ChemistryNankai University Tianjin 300071 China
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12
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Misawa N, Tsuda T, Shintani R, Yamashita K, Nozaki K. Palladium-Catalyzed Intramolecular C−H Arylation versus 1,5-Palladium Migration: A Theoretical Investigation. Chem Asian J 2018; 13:2566-2572. [DOI: 10.1002/asia.201800603] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 06/04/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Nana Misawa
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Tomohiro Tsuda
- Division of Chemistry; Department of Materials Engineering Science; Graduate School of Engineering Science; Osaka University; Toyonaka Osaka 560-8531 Japan
| | - Ryo Shintani
- Division of Chemistry; Department of Materials Engineering Science; Graduate School of Engineering Science; Osaka University; Toyonaka Osaka 560-8531 Japan
| | - Koichi Yamashita
- Department of Chemical System Engineering; School of Engineering; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kyoko Nozaki
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
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13
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Font M, Cendón B, Seoane A, Mascareñas JL, Gulías M. Rhodium(III)‐Catalyzed Annulation of 2‐Alkenyl Anilides with Alkynes through C−H Activation: Direct Access to 2‐Substituted Indolines. Angew Chem Int Ed Engl 2018; 57:8255-8259. [DOI: 10.1002/anie.201802830] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Indexed: 01/09/2023]
Affiliation(s)
- Marc Font
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Borja Cendón
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Andrés Seoane
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - José Luis Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Moisés Gulías
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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14
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Font M, Cendón B, Seoane A, Mascareñas JL, Gulías M. Rhodium(III)‐Catalyzed Annulation of 2‐Alkenyl Anilides with Alkynes through C−H Activation: Direct Access to 2‐Substituted Indolines. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802830] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Marc Font
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Borja Cendón
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Andrés Seoane
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - José Luis Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Moisés Gulías
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela 15782 Santiago de Compostela Spain
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15
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Sato Y, Takagi C, Shintani R, Nozaki K. Palladium-Catalyzed Asymmetric Synthesis of Silicon-Stereogenic 5,10-Dihydrophenazasilines via Enantioselective 1,5-Palladium Migration. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201705500] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yosuke Sato
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Chihiro Takagi
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Ryo Shintani
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
- Division of Chemistry; Department of Materials Engineering Science; Graduate School of Engineering Science; Osaka University; Toyonaka Osaka 560-8531 Japan
| | - Kyoko Nozaki
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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16
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Sato Y, Takagi C, Shintani R, Nozaki K. Palladium-Catalyzed Asymmetric Synthesis of Silicon-Stereogenic 5,10-Dihydrophenazasilines via Enantioselective 1,5-Palladium Migration. Angew Chem Int Ed Engl 2017; 56:9211-9216. [DOI: 10.1002/anie.201705500] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Yosuke Sato
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Chihiro Takagi
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Ryo Shintani
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
- Division of Chemistry; Department of Materials Engineering Science; Graduate School of Engineering Science; Osaka University; Toyonaka Osaka 560-8531 Japan
| | - Kyoko Nozaki
- Department of Chemistry and Biotechnology; Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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17
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Wang Y, Wu Z, Li Q, Zhu B, Yu L. Ruthenium-catalyzed oxidative decyanative cross-coupling of acetonitriles with amines in air: a general access to primary to tertiary amides under mild conditions. Catal Sci Technol 2017. [DOI: 10.1039/c7cy00761b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
C–CN activation catalyzed by Ru/C in open air was achieved, affording an efficient access to primary, secondary and tertiary amides under mild conditions.
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Affiliation(s)
- Yuguang Wang
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Zhongli Wu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Qin Li
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Bingchun Zhu
- Key Laboratory of Bioorganic Synthesis of Zhejiang Province
- College of Biotechnology and Bioengineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Lei Yu
- School of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
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18
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Affiliation(s)
- Joyce Y. Corey
- Department of Chemistry and
Biochemistry, University of Missouri—St. Louis, One University
Drive, St. Louis, Missouri 63121, United States
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19
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Hua Y, Asgari P, Avullala T, Jeon J. Catalytic Reductive ortho-C-H Silylation of Phenols with Traceless, Versatile Acetal Directing Groups and Synthetic Applications of Dioxasilines. J Am Chem Soc 2016; 138:7982-91. [PMID: 27265033 PMCID: PMC5103641 DOI: 10.1021/jacs.6b04018] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A new, highly selective, bond functionalization strategy, achieved via relay of two transition metal catalysts and the use of traceless acetal directing groups, has been employed to provide facile formation of C-Si bonds and concomitant functionalization of a silicon group in a single vessel. Specifically, this approach involves the relay of Ir-catalyzed hydrosilylation of inexpensive and readily available phenyl acetates, exploiting disubstituted silyl synthons to afford silyl acetals and Rh-catalyzed ortho-C-H silylation to provide dioxasilines. A subsequent nucleophilic addition to silicon removes the acetal directing groups and directly provides unmasked phenol products and, thus, useful functional groups at silicon achieved in a single vessel. This traceless acetal directing group strategy for catalytic ortho-C-H silylation of phenols was also successfully applied to preparation of multisubstituted arenes. Remarkably, a new formal α-chloroacetyl directing group has been developed that allows catalytic reductive C-H silylation of sterically hindered phenols. In particular, this new method permits access to highly versatile and nicely differentiated 1,2,3-trisubstituted arenes that are difficult to access by other catalytic routes. In addition, the resulting dioxasilines can serve as chromatographically stable halosilane equivalents, which allow not only removal of acetal directing groups but also introduce useful functional groups leading to silicon-bridged biaryls. We demonstrated that this catalytic C-H bond silylation strategy has powerful synthetic potential by creating direct applications of dioxasilines to other important transformations, examples of which include aryne chemistry, Au-catalyzed direct arylation, sequential orthogonal cross-couplings, and late-stage silylation of phenolic bioactive molecules and BINOL scaffolds.
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Affiliation(s)
| | | | - Thirupataiah Avullala
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Junha Jeon
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
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20
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Xu Z, Xu LW. Silylations of Arenes with Hydrosilanes: From Transition-Metal-Catalyzed C¢X Bond Cleavage to Environmentally Benign Transition-Metal-Free C¢H Bond Activation. CHEMSUSCHEM 2015; 8:2176-2179. [PMID: 26073645 DOI: 10.1002/cssc.201500467] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Indexed: 06/04/2023]
Abstract
The construction of carbon-silicon bonds is highlighted as an exciting achievement in the field of organosilicon chemistry and green chemistry. Recent developments in this area will enable the sustainable chemical conversion of silicon resources into synthetically useful compounds. Especially, the catalytic silylation through C¢H bond activation without directing groups and hydrogen acceptors is one of the most challenging topics in organic chemistry and green chemistry. These remarkable findings on catalytic silylation can pave the way to a more environmentally benign utilization of earth-abundant silicon-based resources in synthetic chemistry.
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Affiliation(s)
- Zheng Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, No. 1378, Wenyi West Road, Science Park of Hangzhou Normal University, Hangzhou City, 311121 (PR China)
| | - Li-Wen Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, No. 1378, Wenyi West Road, Science Park of Hangzhou Normal University, Hangzhou City, 311121 (PR China).
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou (PR China).
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21
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Hua Y, Jung S, Roh J, Jeon J. Modular Approach to Reductive C(sp2)-H and C(sp3)-H Silylation of Carboxylic Acid Derivatives through Single-Pot, Sequential Transition Metal Catalysis. J Org Chem 2015; 80:4661-71. [PMID: 25853682 DOI: 10.1021/acs.joc.5b00564] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report a modular approach to catalytic reductive Csp2-H and Csp3-H silylation of carboxylic acid derivatives encompassing esters, ketones, and aldehydes. Choice of either an Ir(I)/Rh(I) or Rh(I)/Rh(I) sequence leads to either exhaustive reductive ester or reductive ketone/aldehyde silylation, respectively. Notably, a catalyst-controlled direct formation of doubly reduced silyl ethers is presented, specifically via Ir-catalyzed exhaustive hydrosilylation. The resulting silyl ethers undergo Csp2-H and benzylic Csp3-H silylation in a single vessel.
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Affiliation(s)
- Yuanda Hua
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Seongjeong Jung
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - James Roh
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
| | - Junha Jeon
- Department of Chemistry and Biochemistry, University of Texas at Arlington, Arlington, Texas 76019, United States
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22
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Kinuta H, Hasegawa J, Tobisu M, Chatani N. Rhodium-catalyzed Borylation of Aryl and Alkenyl Pivalates through the Cleavage of Carbon–Oxygen Bonds. CHEM LETT 2015. [DOI: 10.1246/cl.141084] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Hirotaka Kinuta
- Department of Applied Chemistry, Faculty of Engineering, Osaka University
| | - Junya Hasegawa
- Department of Applied Chemistry, Faculty of Engineering, Osaka University
| | - Mamoru Tobisu
- Department of Applied Chemistry, Faculty of Engineering, Osaka University
- Center for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University
- ESICB, Kyoto University
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University
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23
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Kinuta H, Tobisu M, Chatani N. Rhodium-Catalyzed Borylation of Aryl 2-Pyridyl Ethers through Cleavage of the Carbon–Oxygen Bond: Borylative Removal of the Directing Group. J Am Chem Soc 2015; 137:1593-600. [DOI: 10.1021/ja511622e] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hirotaka Kinuta
- Department
of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Mamoru Tobisu
- Center
for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University, Yamadaoka 2-1, 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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24
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Matsuda T, Watanuki S. Rhodium-catalysed arylative annulation of 1,4-enynes with arylboronic acids. Org Biomol Chem 2015; 13:702-5. [DOI: 10.1039/c4ob02210f] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rhodium(i)-catalysed arylative annulation of 1,4-enynes with arylboronic acids affords 1,1-disubstituted 3-(arylmethylene)indanes via an addition–1,4-rhodium migration–addition sequence.
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Affiliation(s)
- Takanori Matsuda
- Department of Applied Chemistry
- Tokyo University of Science
- Shinjuku-ku
- Japan
| | - Shoichi Watanuki
- Department of Applied Chemistry
- Tokyo University of Science
- Shinjuku-ku
- Japan
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25
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Matsuda T, Yuihara I. A rhodium(i)-catalysed formal intramolecular C–C/C–H bond metathesis. Chem Commun (Camb) 2015; 51:7393-6. [DOI: 10.1039/c5cc01415h] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The rhodium-catalyzed phenylcyclobutane-to-indane transformation proceedsviaconsecutive chelation-assisted C–C bond cleavage and intramolecular C–H bond cleavage.
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Affiliation(s)
- Takanori Matsuda
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Itaru Yuihara
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
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26
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Murakami M, Ishida N. Development of New Synthetic Methods Based upon Carbon-Carbon Bond Activation. J SYN ORG CHEM JPN 2015. [DOI: 10.5059/yukigoseikyokaishi.73.29] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University
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27
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Ikeda Y, Takano K, Kodama S, Ishii Y. 1,4- and 1,3-Metal Migration in a Cp*IrIII Complex: Experimental Evidence of Direct 1,3-Metal Migration. Organometallics 2014. [DOI: 10.1021/om5005258] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yousuke Ikeda
- Department
of Applied Chemistry,
Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Koichi Takano
- Department
of Applied Chemistry,
Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Shintaro Kodama
- Department
of Applied Chemistry,
Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Youichi Ishii
- Department
of Applied Chemistry,
Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
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28
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Kinuta H, Takahashi H, Tobisu M, Mori S, Chatani N. Theoretical Studies of Rhodium-Catalyzed Borylation of Nitriles through Cleavage of Carbon–Cyano Bonds. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2014. [DOI: 10.1246/bcsj.20130332] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Hirotaka Kinuta
- Department of Applied Chemistry, Faculty of Engineering, Osaka University
| | | | - Mamoru Tobisu
- Center for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University
| | - Seiji Mori
- Department of Chemistry, Faculty of Science, Ibaraki University
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University
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29
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Tan BH, Yoshikai N. Cobalt-Catalyzed Addition of Arylzinc Reagents to Norbornene Derivatives through 1,4-Cobalt Migration. Org Lett 2014; 16:3392-5. [DOI: 10.1021/ol501449j] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Boon-Hong Tan
- Division
of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Naohiko Yoshikai
- Division
of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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30
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Abstract
Recent advances in transition-metal-catalyzed C–CN bond activation, leading to a lot of important approaches such as cyanofunctionalization, cross-coupling and cyanation, are reviewed.
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Affiliation(s)
- Qiaodong Wen
- Department of Chemistry
- Zhejiang University
- Hangzhou, P. R. China
| | - Ping Lu
- Department of Chemistry
- Zhejiang University
- Hangzhou, P. R. China
| | - Yanguang Wang
- Department of Chemistry
- Zhejiang University
- Hangzhou, P. R. China
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31
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Souillart L, Cramer N. Exploitation of Rh(i)–Rh(iii) cycles in enantioselective C–C bond cleavages: access to β-tetralones and benzobicyclo[2.2.2]octanones. Chem Sci 2014. [DOI: 10.1039/c3sc52753k] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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32
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Ishida N, Shimamoto Y, Yano T, Murakami M. 1,5-Rhodium shift in rearrangement of N-arenesulfonylazetidin-3-ols into benzosultams. J Am Chem Soc 2013; 135:19103-6. [PMID: 24328041 DOI: 10.1021/ja410910s] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Benzosultams are synthesized in an enantiopure form starting from α-amino acids through a rhodium-catalyzed rearrangement reaction of N-arenesulfonylazetidin-3-ols. Mechanistically, this reaction involves C-C bond cleavage by β-carbon elimination and C-H bond cleavage by a 1,5-rhodium shift.
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Affiliation(s)
- Naoki Ishida
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University , Katsura, Kyoto 615-8510, Japan
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33
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Wang H, Yu A, Cao A, Chang J, Wu Y. First palladium-catalyzed denitrated coupling reaction of nitroarenes with phenols. Appl Organomet Chem 2013. [DOI: 10.1002/aoc.3043] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hailei Wang
- Key Laboratory of Chemical Biology and Organic Chemistry of Henan, College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450052 People's Republic of China
| | - Ajuan Yu
- Key Laboratory of Chemical Biology and Organic Chemistry of Henan, College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450052 People's Republic of China
| | - Aijuan Cao
- Key Laboratory of Chemical Biology and Organic Chemistry of Henan, College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450052 People's Republic of China
| | - Junbiao Chang
- Key Laboratory of Chemical Biology and Organic Chemistry of Henan, College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450052 People's Republic of China
| | - Yangjie Wu
- Key Laboratory of Chemical Biology and Organic Chemistry of Henan, College of Chemistry and Molecular Engineering; Zhengzhou University; Zhengzhou 450052 People's Republic of China
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34
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Peng D, Yu A, Wang H, Wu Y, Chang J. A 2,2′-bipyridine-palladacycle catalyzed the coupling of arylboronic acids with nitroarenes. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.05.112] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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35
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So CM, Kume S, Hayashi T. Rhodium-Catalyzed Asymmetric Hydroarylation of 3-Pyrrolines Giving 3-Arylpyrrolidines: Protonation as a Key Step. J Am Chem Soc 2013; 135:10990-3. [DOI: 10.1021/ja406169s] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Chau Ming So
- Institute of Materials Research and Engineering, A*STAR, 3 Research Link, Singapore
117602, Singapore
| | - Satoshi Kume
- Department
of Chemistry, Graduate
School of Science, Kyoto University, Sakyo,
Kyoto 606-8502, Japan
| | - Tamio Hayashi
- Institute of Materials Research and Engineering, A*STAR, 3 Research Link, Singapore
117602, Singapore
- Department
of Chemistry, Graduate
School of Science, Kyoto University, Sakyo,
Kyoto 606-8502, Japan
- Department
of Chemistry, National University of Singapore, 3 Science Drive 3,
Singapore 117543, Singapore
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36
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Kuznetsov A, Onishi Y, Inamoto Y, Gevorgyan V. Fused heteroaromatic dihydrosiloles: synthesis and double-fold modification. Org Lett 2013; 15:2498-501. [PMID: 23627807 DOI: 10.1021/ol400977r] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
An efficient method for the synthesis of fused heteroaromatic dihydrosiloles via Ni-catalyzed hydrosilylation/intramolecular Ir-catalyzed dehydrogenative coupling of the Si-H bond with the heteroaromatic C-H bond has been developed. The method is efficient for both electron-deficient and -rich heterocycles. It exhibits high functional group tolerance and good regioselectivity. Fused heteroaromatic dihydrosiloles can be smoothly halogenated and then oxidized or arylated. Application of these transformations allows obtaining highly functionalized heteroaromatic structures. A gram-scale synthesis of dihydropyridinosilole has also been accomplished using reduced amounts of Ni- and Ir-catalysts.
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Affiliation(s)
- Alexey Kuznetsov
- Department of Chemistry, University of Illinois at Chicago , 845 West Taylor Street, Chicago, Illinois 60607-7061, United States
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