Certain .alpha.-(fluoromethyl or difluoromethyl)-.alpha.-aminoacetonitriles are prepared by treating the appropriate .alpha.-(fluoromethyl or difluoromethyl) ketimine magnesium halide with hydrogen cyanide or with an alkali metal cyanide or ammonium cyanide and a proton source. The products are useful as intermediates for making .alpha.-(fluoromethyl or difluoromethyl)-.alpha.-amino acids having pharmacological activity.
某些α-(
氟甲基或二
氟甲基)-α-
氨基乙腈是通过将相应的α-(
氟甲基或二
氟甲基)酮
亚胺镁卤化物与
氢氰酸或与碱
金属
氰化物、
氰化
铵及质子源反应制备而成。这些产物作为中间体,可用于合成具有药理活性的α-(
氟甲基或二
氟甲基)-
α-氨基酸。