Chiral Bifunctional Metalloporphyrin Catalysts for Kinetic Resolution of Epoxides with Carbon Dioxide

被引：30

作者：

Maeda, Chihiro ^{[1
]}

Mitsuzane, Mayato ^{[1
]}

Ema, Tadashi ^{[1
]}

机构：

[1] Okayama Univ, Div Appl Chem, Grad Sch Nat Sci & Technol, Okayama, Japan

来源：

ORGANIC LETTERS | 2019年 / 21卷 / 06期

关键词：

CYCLIC CARBONATES; MACROCYCLIC ORGANOCATALYSTS; ASYMMETRIC EPOXIDATION; PORPHYRIN CATALYSTS; EFFICIENT CATALYST; COUPLING REACTION; HIGHLY EFFICIENT; PROPYLENE-OXIDE; CO2; COMPLEXES;

D O I：

10.1021/acs.orglett.9b00447

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Chiral binaphthyl-strapped Zn(II) porphyrins with triazolium halide units were synthesized as bifunctional catalysts for kinetic resolution of epoxides with CO2. Several catalysts were screened by changing the linker length and nucleophilic counteranions, and the optimized catalyst accelerated the enantioselective reaction at ambient temperature to produce optically active cyclic carbonates and epoxides.

引用

页码：1853 / 1856

页数：4

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