cross-coupling;
palladium catalyst;
nickel catalyst;
allylsilanes;
biaryls;
carbon-carbon bond formation;
D O I:
10.1016/S0022-328X(02)01272-X
中图分类号:
O61 [无机化学];
学科分类号:
070301 ;
081704 ;
摘要:
Asymmetric cross-coupling of secondary alkylmagnesium and -zinc reagents with aryl and alkenyl halides in the presence of nickel or palladium catalysts coordinated with chiral phosphine ligands give optically active cross-coupling products, This asymmetric cross-coupling is applied to the asymmetric synthesis of chiral allylic silanes (95% ee). Axially chiral biaryls are prepared by asymmetric cross-coupling between two aryl groups (95% ee) or by enantioposition-selective cross-coupling (99% ee). (C) 2002 Elsevier Science B.V. All rights reserved.
机构:
China Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R ChinaChina Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R China
Zhou, Yun
Liu, Chunxiao
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机构:
China Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R ChinaChina Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R China
Liu, Chunxiao
Wang, Lifeng
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机构:
China Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R ChinaChina Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R China
Wang, Lifeng
Han, Leng
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机构:
China Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R ChinaChina Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R China
Han, Leng
Hou, Shicong
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机构:
China Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R ChinaChina Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R China
Hou, Shicong
Bian, Qinghua
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机构:
China Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R ChinaChina Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R China
Bian, Qinghua
Zhong, Jiangchun
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机构:
China Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R ChinaChina Agr Univ, Dept Appl Chem, 2 West Yuanmingyuan Rd, Beijing 100193, Peoples R China