PROCESS FOR PREPARATION OF THIOFORMAMIDE-DERIVATIVES AND FOR MANUFACTURING OF PHARMACEUTICAL COMPOSITIONS COMPRISING THESE COMPOUNDS

摘要

Thioformamide derivatives of the formula: wherein: R represents alkyl; A represents an optionally substituted phenyl or heteroaromatic group; R<1> represents hydrogen, alkyl, cyano, carboxyl, formyl, carbamoyl, alkoxycarbonyl or a group -(CH2)nOR<2>, -(CH2)nSR<2>, -(CH2)nN(R<2>Ü2, -CH=CHR<3>, -CH=NOR<4>, -CONHR<5>, or -COR<6>; R<2> represents hydrogen, alkyl, alkanoyl, aryl, aryl(CH2)n- or arylCO-, or, when attached to nitrogen, two R<2> groups may together represent alkylene; R<3> represents hydrogen; alkyl, alkanoyl, carboxyl, carbamoyl, cyano, aryl, arylCO-, aryl(CH2)n-, or aryl (CH2)n CO-; R<4> represents hydrogen, alkyl, aryl, aryl(CH2)n-, optionally substituted alkyl, alkenyl, amino or carbamoyl N,N-disubstituted by alkylene; R<5> represents alkyl, aryl, or aryl(CH2)n- or an amino acid residue; R<6> represents alkyl, aryl, or aryl(CH2)n-; .... represents a single or double bond provided that when R<1> is formyl .... represents a double bond; Y represents ethylene, methylene or a direct bond; and n is 1 to 6; and salts thereof possessing useful pharmacological properties.