| abstract |
Therapeutically useful thioformamide derivatives of the formula:n wherein R represents alkyl, Ar represents optionally substituted phenyl group, Y represents ethylene, methylene or a valency bond, and X represents carbonyl, hydroxymethylene, >C=NOR¹, >C=NN(R¹)₂ or >C=NN(R¹)CON(R¹)₂ in which R¹ represents hydrogen or optionally substituted alkyl, benzyl, phenethyl, 1-naphthylmethyl, 2-naphthylmethyl or pyrid-3-ylmethyl or two R¹ substituents on the same nitrogen atom may together form optionally substituted alkylene, and salts thereof, processes for their preparation and compositions containing them are described. |