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1
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Cheng Z, Li M, Zhang XY, Sun Y, Yu QL, Zhang XH, Lu Z. Cobalt-Catalyzed Regiodivergent Double Hydrosilylation of Arylacetylenes. Angew Chem Int Ed Engl 2023; 62:e202215029. [PMID: 36330602 DOI: 10.1002/anie.202215029] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Indexed: 11/06/2022]
Abstract
Double hydrosilylation of alkynes represents a straightforward method to synthesize bis(silane)s, yet it is challenging if α-substituted vinylsilanes act as the intermediates. Here, a cobalt-catalyzed regiodivergent double hydrosilylation of arylacetylenes is reported for the first time involving this challenge, accessing both vicinal and geminal bis(silane)s with exclusive regioselectivity. Various novel bis(silane)s containing Si-H bonds can be easily obtained. The gram-scale reactions could be performed smoothly. Preliminarily mechanistic studies demonstrated that the reactions were initiated by cobalt-catalyzed α-hydrosilylation of alkynes, followed by cobalt-catalyzed β-hydrosilylation of the α-vinylsilanes to deliver vicinal bis(silane)s, or hydride-catalyzed α-hydrosilylation to give geminal ones. Notably, these bis(silane)s can be used for the synthesis of high-refractive-index polymers (nd up to 1.83), demonstrating great potential utility in optical materials.
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Affiliation(s)
- Zhaoyang Cheng
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Minghua Li
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China
| | - Xu-Yang Zhang
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Yue Sun
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Qing-Lei Yu
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Xing-Hong Zhang
- Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, China.,Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Zhan Lu
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.,Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.,College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, 310058, China
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2
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Pan Z, Zhang J, Guo L, Yang H, Li J, Cui C. Cyclic (Alkyl)(amino)carbene Lanthanide Amides: Synthesis, Structure, and Catalytic Selective Hydrosilylation of Alkenes. Inorg Chem 2021; 60:12696-12702. [PMID: 34424672 DOI: 10.1021/acs.inorgchem.1c01780] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The first examples of cyclic (alkyl)(amino)carbene (CAAC) lanthanide (Ln) complexes were synthesized from the reaction of CAAC with Yb[N(SiMe3)2]2 and Eu[N(SiMe3)2]2(THF)2 (THF = tetrahydrofuran). The structures of (CAAC)Yb[N(SiMe3)2]2 (2) and (CAAC)Eu[N(SiMe3)2]2(THF) (3) were determined by X-ray diffraction analysis. Density functional theory calculations of 2 revealed the predominantly ionic bond between the Ln ion and CAAC. Complex 3 enabled catalytic hydrosilylation of aryl- and silylalkenes with primary and secondary silanes in high yields and Markovnikov selectivity.
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Affiliation(s)
- Zexiong Pan
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jianying Zhang
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Lulu Guo
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Hao Yang
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jianfeng Li
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
| | - Chunming Cui
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry, Nankai University, Tianjin 300071, China
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3
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Wang G, Su X, Gao L, Liu X, Li G, Li S. Borane-catalyzed selective dihydrosilylation of terminal alkynes: reaction development and mechanistic insight. Chem Sci 2021; 12:10883-10892. [PMID: 34476068 PMCID: PMC8372554 DOI: 10.1039/d1sc02769g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Accepted: 07/13/2021] [Indexed: 12/25/2022] Open
Abstract
Here, we describe simple B(C6F5)3-catalyzed mono- and dihydrosilylation reactions of terminal alkynes by using a silane-tuned chemoselectivity strategy, affording vinylsilanes and unsymmetrical geminal bis(silanes). This strategy is applicable to the dihydrosilylation of both aliphatic and aryl terminal alkynes with different silane combinations. Gram-scale synthesis and conducting the reaction without the exclusion of air and moisture demonstrate the practicality of this methodology. The synthetic utility of the resulting products was further highlighted by the structural diversification of geminal bis(silanes) through transforming the secondary silane into other silyl groups. Comprehensive theoretical calculations combined with kinetical isotope labeling studies have shown that a prominent kinetic differentiation between the hydrosilylation of alkynes and vinylsilane is responsible for the chemoselective construction of unsymmetrical 1,1-bis(silanes). A B(C6F5)3/silane-based system enables the chemoselective dihydrosilylation of terminal alkynes. Using a combination of different types of hydrosilanes, a series of unsymmetrical or symmetrical 1,1-bis(silanes) could be constructed.![]()
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Affiliation(s)
- Guoqiang Wang
- Institute of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Xiaoshi Su
- Institute of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Liuzhou Gao
- Institute of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Xueting Liu
- Institute of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Guoao Li
- Institute of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
| | - Shuhua Li
- Institute of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Nanjing University Nanjing 210023 China
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4
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Chen W, Song H, Li J, Cui C. Catalytic Selective Dihydrosilylation of Internal Alkynes Enabled by Rare‐Earth Ate Complex. Angew Chem Int Ed Engl 2020; 59:2365-2369. [DOI: 10.1002/anie.201913773] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Indexed: 01/05/2023]
Affiliation(s)
- Wufeng Chen
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Haibin Song
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Jianfeng Li
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
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5
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Chen W, Song H, Li J, Cui C. Catalytic Selective Dihydrosilylation of Internal Alkynes Enabled by Rare‐Earth Ate Complex. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201913773] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wufeng Chen
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Haibin Song
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Jianfeng Li
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry and College of ChemistryNankai University Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Tianjin 300072 China
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6
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Cheng Z, Xing S, Guo J, Cheng B, Hu L, Zhang X, Lu Z. Highly Regioselective Sequential 1,1‐Dihydrosilylation of Terminal Aliphatic Alkynes with Primary Silanes. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900079] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Zhaoyang Cheng
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310058 China
| | - Shipei Xing
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310058 China
| | - Jun Guo
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310058 China
| | - Biao Cheng
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310058 China
| | - Lan‐Fang Hu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and EngineeringZhejiang University Hangzhou Zhejiang 310027 China
| | - Xing‐Hong Zhang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and EngineeringZhejiang University Hangzhou Zhejiang 310027 China
| | - Zhan Lu
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310058 China
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7
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Hu MY, Lian J, Sun W, Qiao TZ, Zhu SF. Iron-Catalyzed Dihydrosilylation of Alkynes: Efficient Access to Geminal Bis(silanes). J Am Chem Soc 2019; 141:4579-4583. [DOI: 10.1021/jacs.9b02127] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Meng-Yang Hu
- State Key Laboratory and Institute of
Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Jie Lian
- State Key Laboratory and Institute of
Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Wei Sun
- State Key Laboratory and Institute of
Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Tian-Zhang Qiao
- State Key Laboratory and Institute of
Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Shou-Fei Zhu
- State Key Laboratory and Institute of
Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
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8
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Liu J, Chen W, Li J, Cui C. Rare-Earth-Catalyzed Regioselective Hydrosilylation of Aryl-Substituted Internal Alkenes. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00010] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jinxi Liu
- State
Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Wufeng Chen
- State
Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Jianfeng Li
- State
Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
| | - Chunming Cui
- State
Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300072, China
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9
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Shi Y, Li J, Cui C. Synthesis of divalent ytterbium terphenylamide and catalytic application for regioselective hydrosilylation of alkenes. Dalton Trans 2017; 46:10957-10962. [DOI: 10.1039/c7dt01837a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Divalent ytterbium terphenylamide exhibited high regioselectivity and activity in the hydrosilylation of alkenes with low catalyst loadings.
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Affiliation(s)
- Yinghua Shi
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Jianfeng Li
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry
- Nankai University
- Tianjin 300071
- China
- Collaborative Innovation Center of Chemical Science and Engineering
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10
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Li J, Zhao C, Liu J, Huang H, Wang F, Xu X, Cui C. Activation of Ene-Diamido Samarium Methoxide with Hydrosilane for Selectively Catalytic Hydrosilylation of Alkenes and Polymerization of Styrene: an Experimental and Theoretical Mechanistic Study. Inorg Chem 2016; 55:9105-11. [DOI: 10.1021/acs.inorgchem.6b01670] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Jianfeng Li
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Chaoyue Zhao
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Jinxi Liu
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Hanmin Huang
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Fengxin Wang
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Xiufang Xu
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin 300071, P. R. China
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11
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12
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Konkol M, Kondracka M, Voth P, Spaniol TP, Okuda J. Rare-Earth Metal Alkyl and Hydrido Complexes Containing a Thioether-Functionalized Bis(phenolato) Ligand: Efficient Catalysts for Olefin Hydrosilylation. Organometallics 2008. [DOI: 10.1021/om800161u] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marcin Konkol
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
| | - Malgorzata Kondracka
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
| | - Peter Voth
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
| | - Thomas P. Spaniol
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
| | - Jun Okuda
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg 1, D-52074 Aachen, Germany
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