ALPHA-METHYLENE-BETA-LACTONES AS NOVEL ALLENE EQUIVALENTS - REGIOSELECTIVE [4+2]-CYCLOADDITION AND STEREOSELECTIVE DECARBOXYLATION FOR THE INTRODUCTION OF EXO-ALKYLIDENE FUNCTIONALITIES

被引:13
作者
ADAM, W
HASEMANN, L
机构
[1] Institute of Organic Chemistry, University of Würzburg, D-8700 Würzburg, Am Hubland
关键词
ALLENE EQUIVALENTS; ALPHA-METHYLENE-BETA-LACTONES; REGIOSELECTIVITY; STEREOSELECTIVITY; DECARBOXYLATION;
D O I
10.1016/0040-4039(91)85032-Z
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Beta-Lactone-capped allene dienophiles afforded with cyclopentadiene spiro-beta-lactone as [4 + 2] cycloadducts, which on thermal decarboxylation gave regio- and stereoselectively E-5-alkylidene 2-norbornenes.
引用
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页码:7033 / 7036
页数:4
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