MICHAEL REACTION OF 1,2-CYCLOHEXANEDIONES AND 1,2-CYCLOPENTANEDIONES WITH METHYL VINYL KETONE
作者:Masanori Utaka、Yasuyuki Fujii、Akira Takeda
DOI:10.1246/cl.1985.1123
日期:1985.8.5
The Michael reaction of 1,2-cyclohexanediones with methyl vinyl ketone is highly dependent upon the structure of dione or the catalyst, base or ZnCl2, affording 3-(3-oxobutyl)-2-hydroxy-2-cyclohexen-1-one or 1-hydroxy-7-acetylbicyclo[3.2.1]octan-8-one as major products. 1,2-Cyclopentanediones react with methyl vinyl ketone somewhat differently.
1,2-环己二酮与甲基乙烯基酮的迈克尔反应高度依赖于二酮的结构或催化剂、碱或氯化锌,得到 3-(3-oxobutyl)-2-hydroxy-2-cyclohexen-1-one 或1-hydroxy-7-acetylbicyclo[3.2.1]octan-8-one 作为主要产品。1,2-环戊二酮与甲基乙烯基酮的反应略有不同。