Highly enantioselective synthesis of chiral imides and derived products via chiral base desymmetrisation

被引:41
作者
Adams, DJ [1 ]
Blake, AJ [1 ]
Cooke, PA [1 ]
Gill, CD [1 ]
Simpkins, NS [1 ]
机构
[1] Univ Nottingham, Sch Chem, Nottingham NG7 2RD, England
基金
英国工程与自然科学研究理事会;
关键词
asymmetric synthesis; chiral lithium amide; imides;
D O I
10.1016/S0040-4020(02)00367-8
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The enantioselective deprotonation of several ring-fused imides with a chiral base, followed by electrophilic quenching, gives a range of chiral products in good yield and in greater than or equal to91% ee. The absolute stereochemistry of two of the products was determined by X-ray crystallography. A number of the imide products were subjected to further, highly regioselective, transformations, including enolate substitution, reduction and thionation. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码:4603 / 4615
页数:13
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