Catalytic Regio- and Enantioselective [4+2] Annulation Reactions of Non-activated Allenes by a Chiral Cationic Indium Complex

被引：46

作者：

Wang, Le ^{[1
,2
]}

Lv, Jian ^{[1
,2
,3
]}

Zhang, Long ^{[1
,2
,3
]}

Luo, Sanzhong ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Key Lab Mol Recognit & Funct, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Collaborat Innovat Ctr Chem Sci & Engn, Tianjin 300071, Peoples R China

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2017年 / 56卷 / 36期

关键词：

4+2] annulation; allenes; chiral phosphates; homogeneous catalysis; indium; ASYMMETRIC BINARY-ACID; DIELS-ALDER REACTION; BRONSTED ACID; PHOSPHINE CATALYSIS; PHOSPHORIC-ACID; SIMPLE OLEFINS; CYCLOADDITIONS; ALLENOATES; METAL; CYCLIZATION;

D O I：

10.1002/anie.201704020

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Regio- and enantioselective [4+2] annulation between beta,gamma-unsaturated alpha-keto esters and non-activated allenes was achieved by using a chiral cationic indium(III)/phosphate catalyst. The reaction affords the corresponding C3-selective dihydropyrans in good yields and with high enantioselectivity (up to 99% ee).

引用

页码：10867 / 10871

页数：5

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