Reactions [I],[11] and [111] were carried out essentially as described by Swarts." However, a decided improvement in the yield of trifluoroacetamide was realized by treating ethyl trifluoroacetate with dry ammonia rather than with ammonium hydroxide. The catalytic hydrogenation [IV] was effected at a temperature of 50 to GO", and hydrogen pressures above 1000 lb./sq. in., using a liberal quantity of Adams platinum catalyst. No secondary ...
