作者:Paul Dowd、Christopher Kaufman、Paul Kaufnan、Yi Hyon Paik
DOI:10.1016/s0040-4039(00)95074-3
日期:1985.1
The ketene acetal I reacted with dibromocarbene yielding the dibromocyclopropanone ketal II, which was reduced to the monobromide III by treatment with tri-n-butyltin hydride. Reaction of III with n-butyllithium at −78°C yielded the lithiated cyclopropanone ketal IV, which yielded adducts with acetone, cyclohexanone, cyclohexenone, 3,3,3-trimethoxybutan-2-one, 2-butanone, and 3-pentanone.
乙烯酮缩醛Ⅰ与二溴卡宾反应生成二溴环丙烷酮缩酮Ⅱ,通过用氢化三正丁基锡处理将其还原为一溴化物Ⅲ。III在-78°C下与正丁基锂反应生成锂化的环丙烷酮缩酮IV,从而生成与丙酮,环己酮,环己烯酮,3,3,3-三甲氧基丁-2--2-,2-丁酮和3-戊酮的加合物。