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Cp*Ir(III)/chiral carboxylic acid-catalyzed enantioselective C–H alkylation of ferrocene carboxamides with diazomalonates
Organic Chemistry Frontiers ( IF 5.4 ) Pub Date : 2021-10-26 , DOI: 10.1039/d1qo01344k
Qi Mou 1 , Ruyuan Zhao 1 , Ruihan Niu 1 , Seiya Fukagawa 2 , Taiki Shigeno 2 , Tatsuhiko Yoshino 2, 3 , Shigeki Matsunaga 2, 3 , Bo Sun 1
Affiliation  

Enantioselective C–H alkylation of ferrocene carboxamides with diazomalonates using an achiral Cp*Ir(III)/chiral carboxylic acid is described. The combination of an achiral Cp*Ir(III) complex and a binaphthyl-based chiral carboxylic acid provided planar chiral alkylated ferrocenes in good yields with moderate to good enantioselectivity (up to 94 : 6 er).

中文翻译:

Cp*Ir(III)/手性羧酸催化的二茂铁甲酰胺与重氮丙二酸酯的对映选择性C-H烷基化

描述了使用非手性 Cp*Ir( III )/手性羧酸对二茂铁甲酰胺与重氮丙二酸酯进行对映选择性 C-H 烷基化。非手性 Cp*Ir( III ) 配合物和联萘基手性羧酸的组合以良好的收率提供了平面手性烷基化二茂铁,具有中等至良好的对映选择性(高达 94:6 er)。
更新日期:2021-11-03
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