Transannular dipolar cycloaddition as an approach towards the synthesis of the core ring system of the sarain alkaloids

被引:16
|
作者
Franklin, Andrew I. [1 ]
Bensa, David [1 ]
Adams, Harry [1 ]
Coldham, Iain [1 ]
机构
[1] Univ Sheffield, Dept Chem, Sheffield S3 7HF, S Yorkshire, England
基金
英国工程与自然科学研究理事会;
关键词
ENANTIOSELECTIVE TOTAL-SYNTHESIS; TRICYCLIC CORE; ASYMMETRIC CONSTRUCTION; CLOSING METATHESIS; AZOMETHINE YLIDES; A CORE; INTERMEDIATE; SKELETON;
D O I
10.1039/c0ob01019g
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Intramolecular transannular dipolar cycloaddition was investigated as a key step in a synthetic approach to the core of the sarain alkaloids; although the use of an azomethine ylide was unsuccessful with the chosen aldehyde substrate, cycloaddition with a nitrone did give the alternative regioisomeric bridged cycloadduct.
引用
收藏
页码:1901 / 1907
页数:7
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