| 摘要 |
<p>1,142,539. N - (3 - chloro - 4 - trifluoromethyl - phenyl) - propionamide. FARBENFABRIKEN BAYER A.G. 20 Dec., 1967 [28 Jan., 1967], No. 57777/67. Heading C2C. [Also in Division A5] The invention comprises N-(3-chloro-4-trifluoromethylphenyl)-propionamide. It may be prepared by reacting 3-chloro-4-trifluoromethylaniline with (a) propionic anhydride, optionally in the presence of a diluent; (b) a propionyl halide, especially the chloride, in the presence of an acid binder and in the presence of a diluent or (c) propionic acid in the presence of a diluent.</p> |
