One-pot synthesis of (ethoxycarbonyl)difluoromethylthioethers from thiocyanate sodium and ethyl 2-(trimethylsilyl)-2,2-difluoroacetate (TMS-CF 2 CO 2 Et)
作者:Lijun Xu、Hongyu Wang、Changwu Zheng、Gang Zhao
DOI:10.1016/j.tet.2017.08.048
日期:2017.10
An efficient one-pot cascade methodology for the synthesis of (ethoxycarbonyl)difluoromethyl thioethers is described. Benzyl, allyl, alkyl halides or diazonium salts as the starting materials together with thiocyanate sodium and TMS-CF2CO2Et in the presence of CsF or NaOAc afford a variety of the fluoroalkylthiolated products in moderate to good yields.
描述了一种用于合成(乙氧基羰基)二氟甲基硫醚的有效的一锅级联方法。在CsF或NaOAc的存在下,以苄基,烯丙基,烷基卤化物或重氮盐为起始原料,与硫氰酸钠和TMS-CF 2 CO 2 Et一起,以中等至良好的收率提供了多种氟代烷基硫代产物。