α－芳甲酰基烯酮二硫缩醛的新合成方法  

A New Method for the Synthesis of α-Aroyl Ketene Dithioacetals

作　　者：方群欣[1] 刘群[1] 胡玉兰 林春 

机构地区：[1]东北师范大学化学系

出　　处：《高等学校化学学报》1995年第12期1896-1898,共3页Chemical Journal of Chinese Universities

基　　金：国家教育委员会优秀青年教师基金资助课题

摘　　要：以碳酸钾为碱，芳甲酰丙酮（１）与二硫化碳、卤代烃反应得到２－乙酰基－２－芳甲酰基烯酮硫代缩醛（２），２在乙硫醇钾作用下脱乙酰基生成标题化合物（３）。１→３的转化具有反应条件温和、产物产率高及对３中各种缩醛基均可通用等特点。A facile approach to the synthesis of the title compounds 3 are reported in this paper.Assisted by potassium ethylthioate,2-acetyl-2-aroyl ketene dithioacetals 2(prepared easily from aroylacetones 1)were deacetylated to afford the title compounds 3.The reaction conditions from 1 to 3 were very mild and the yields were high.

关 键 词：α-芳甲酰基烯酮二硫缩醛 合成 乙硫醇钾 去乙酰基 

分 类 号：O623.541[理学—有机化学]