Synthetic approach to medium-sized cycloalkanones. A one-pot three-carbon ring expansion of carbocyclic β-keto esters
作者:Zhuo-Feng Xie、Hiroshi Suemune、Kiyoshi Sakai
DOI:10.1039/c39880000612
日期:——
By treatment with ButOK in Me2SO, carbocyclic β-keto-esters (5-,6-, and 7-membered rings) with a 4-oxopentyl function at the α-position afforded three-carbon ring expansion products (8-, 9-, and 10-membered rings, respectively).
通过用布治疗吨在我行2 SO,碳环β酮酯(5-,6-和7-元环)与在α位具有4-氧代戊基函数,得到三碳环扩展产品(8 -,9-和10元环。