STUDIES IN SIGMATROPIC REARRANGEMENT - REARRANGEMENT OF 4-(4-ALKLYLSUBSTITUTED ARYLOXYBUT-2-YNYLOXY)[1]BENZOPYRAN-2-ONES

被引：0

作者：

MAJUMDAR, KC

DAS, DP

JANA, GH

KHAN, AT

机构：

来源：

INDIAN JOURNAL OF CHEMISTRY SECTION B-ORGANIC CHEMISTRY INCLUDING MEDICINAL CHEMISTRY | 1994年 / 33卷 / 02期

关键词：

D O I：

暂无

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

4-(4-o-Cresoxybut-2-ynyloxy)[1]benzopyran-2-one (3a) and 4-(4-p-cresoxybut-2-ynyloxy)[1]benzopyran-2-one (3b) give products 5 and 6 respectively both containing exocyclic double bond inaddition to normal products, 4-aryloxymethylpyrano[3, 2-c][1]benzopyran-5(2H)-ones (4a and 4b). Other 4-(4-alkyl substituted aryloxybut-2-ynyloxy)[1]benzopyran-2-one (3c-f) furnish exclusively the 4-aryloxymethylpyrano[3,2-c][1]benzopyran-5(2H)-ones (4c-f).

引用

页码：120 / 124

页数：5

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