CYCLIZATION OF POLYENIC BETA-KETO SULFOXIDES - A NOVEL ROUTE TO OPTICALLY-ACTIVE INTERMEDIATES FOR CYCLIC TERPENOID SYNTHESIS

被引：8
作者：
KOSUGI, H
HOSHINO, K
UDA, H
机构：
来源：
JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1991年 / 17期
关键词：
D O I：
10.1039/c39910001173
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Optically active polyenic beta-keto sulphoxides 4 and 5 undergo a cyclisation mediated by SnCl4 to give easily separable diastereoisomeric dihydropyran derivatives 6a,b and 10a,b, respectively; the crystalline stereoisomers of which can be converted into (+)-dihydroacitinidiolide 7 and (-)-norambreinolide 11.
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页码：1173 / 1174
页数：2
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