1: With sodium cyanoborohydride; trifluoroacetic acid in monofluorodichloromethane T=5°C; 41 h; 2: With sodium hydrogencarbonate in monofluorodichloromethane; water T=0°C;

1: 4-amino-2-(trifluoromethyl)benzonitrile With sodium cyanoborohydride; trifluoroacetic acid in dichloromethane T=0 - 5°C; 0.0833333 h; 2: 2,2,2-trifluoroethane-1,1-diol in dichloromethane 41 h;