A method for the assembly of the halodifluoromethyl group (CF2X, X = Cl, Br, I) is described. The reaction involves the light-mediated substitution of the triphenylphosphine by halide anions in readily accessible gem-difluorinated phosphonium salts.
描述了一种组装卤代二
氟甲基(CF 2 X,X = Cl,Br,I)的方法。该反应涉及在容易获得的宝石-二
氟化phospho盐中用卤化物阴离子将三苯膦光导取代。