1: bromo-difluoroacetic acid,ethyl ester With chloro-trimethyl-silane; zinc in tetrahydrofuran 0.416667 h; 2: 1,3,5-tris(4-methoxybenzyl)hexahydro-1,3,5-triazine in tetrahydrofuran T=25°C; 3 h;

1: With hydrogenchloride; hydroxylammonium sulphate in chloroform; water T=20°C; 0.5 h; 2: With sodium hydroxide in chloroform; water pH=13.4;

ammonia in methanol T=70°C; P=900.09 Torr; 3 h;

in ethanol; water 0.25 h; Ambient temperature;