(R=nBu, NMe2, NEt2) are easily fluorinated using zinc difluoride in pyridine or tetramethylammonium fluoride in methylene chloride to give the corresponding difluorophosphoranes R3PF2 in high yield. A simple procedure for preparing pure tetramethylammonium fluoride is described.
Bromophosphonium
溴化物,R 3 PBR +
溴-(R = Ñ卜,NME 2,净2)使用容易
氟化
锌在二
氟化
吡啶或
四甲基氟化铵的
二氯甲烷展开,得到相应的difluorophosphoranes - [R 3 PF 2以高收率。描述了一种制备纯净的
四甲基氟化铵的简单方法。