SYNTHESIS OF CHROMONES AND THIOCHROMONES (4H-BENZO=B'THIAPYRONES. FROM ENAMINES

被引：13

作者：

BOYD, GV

HEWSON, D

NEWBERRY, RA

机构：

来源：

JOURNAL OF THE CHEMICAL SOCIETY C-ORGANIC | 1969年 / 06期

关键词：

D O I：

10.1039/j39690000935

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Fourteen 2,3-cycloalkeno-chromones and -thiochromones (4H-benzo[b] thiapyrones) have been prepared by a new method in which enamines of cyclic ketones are condensed with the mixed anhydrides formed from ethyl chloroformate and acetylsalicylic acids and their thio-analogues. An acyl migration occurs in the reactions of 2-pyrrolidinopropene to give 3-acyl-2-methylchromones.

引用

页码：935 / &

共 28 条

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