Bis-Sulfamyl Imines: Potent Substrates for Asymmetric Additions of Arylboroxines under Rhodium Catalysis

被引：26

作者：

Crampton, Rosemary ^{[1
]}

Woodward, Simon ^{[1
]}

Fox, Martin ^{[2
]}

机构：

[1] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England

[2] Chirotech Technol Ltd, Cambridge CB4 0GH, England

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2011年 / 353卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

asymmetric catalysis; boron; diarylmethylamines; protecting groups; rhodium; N-TOSYLARYLIMINES; ARYLATION; AMINES; LIGAND; REAGENTS; ACIDS; MILD;

D O I：

10.1002/adsc.201000838

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Bis-sulfamyl imines are shown to be potentially ideal substrates for rhodium-catalysed asymmetric additions of arylboron nucleophiles as they show: (i) near perfect enantioselectivities (11 examples, 98-99+% ee), (ii) good to excellent diastereoselectivities (10-32:1 rac:meso), and (iii) high functional group tolerance in removal of the low molecular weight protecting group via mild heating in aqueous pyridine.

引用

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页码：903 / 906

页数：4

共 11 条

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