A new synthesis of cyclopentanones by the ring expansion of 1-acyl-1-[p-tolyl(or methyl)thio]cyclobutanes
作者:Katsuyuki Ogura、Mitsuo Yamashita、Junko Onozuka、Gen-ichi Tushihashi
DOI:10.1016/s0040-4039(00)81332-5
日期:1983.1
A new ring expansion of 1-acyl-1-[p-tolyl(or methyl)thio]cyclobutanes to give 2-[p-tolyl(or methyl)thio]cyclopentanones and its application to the synthesis of 2-, 2,4-, or 2,5-substituted cyclopentanones were studied.
1-酰基-1- [
对甲苯基(或
甲基)
硫代]
环丁烷的新环扩环生成2- [
对甲苯基(或
甲基)
硫代]
环戊烷及其在合成2-,
2,4中的应用研究了-或2,5-取代的
环戊酮。