Simple Preparation of 4-Aryl- and 4-Alkyl-2(5<i>H</i>)-furanones from β-Substituted Crotonic Esters
作者:Shinzo Kagabu、Yasuhiro Shimizu、Chinatsu Ito、Koichi Moriya
DOI:10.1055/s-1992-26237
日期:——
Treatment of ß-aryl- or ß-alkylcrotonic esters with selenium dioxide in acetic acid in the presence of a catalytic amount of perchloric acid gave 4-substituted 2(5H)-furanones in moderate to good yields.
用二氧化硒处理β-芳基或β-烷基克罗烯酸酯,在醋酸中加入催化量的高氯酸,得到了4-取代的2(5H)-呋喃酮,产率中等到良好。