Chemistry of allene sulfoxides: a new synthesis of 1-aryl-3,4-dihydro-1H-[1]benzothieno[3,2-c]pyrans

被引：5

作者：

Edwards, N

Macritchie, JA

Parsons, PJ

Drew, MGB

Jahans, AW

机构：

[1] UNIV READING,DEPT CHEM,XRAY CRYSTALLOG LAB,READING RG6 2AD,BERKS,ENGLAND

[2] AGREVO UK LTD,SAFFRON WALDEN CB10 1XL,ESSEX,ENGLAND

来源：

TETRAHEDRON | 1997年 / 53卷 / 37期

关键词：

D O I：

10.1016/S0040-4020(97)00786-2

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A novel synthesis of 1-aryl-3,4-dihydro-1H-[1]benzothieno[3,2-c]pyrans has been developed, utilising the acid-catalysed cyclisation of 5,6-dihydro-4-phenylsulfinyl-2H-pyrans. Both ring systems could be isolated from suitably substituted allene sulfoxides upon exposure to p-toluenesulfonic acid in refluxing tetrahydrofuran, the nature of the product depending on the reaction time. (C) 1997 Elsevier Science Ltd.

引用

页码：12651 / 12660

页数：10

共 16 条

[1] PHOSPHOR AND SULFURIC-ACID SUBSTITUTED ALLENES .4. A SIMPLE SYNTHESIS OF 2[5H]FURANONES AND "BETA-METHYLENE-GAMMA-BUTYROLACTONES BY ADDITION OF MALONIC-ACID ESTERS TO ALLENIC SULFOXIDES [J].