Patent ID: 6284914
Filing Date: 2001-09-04
Classification: A61K,A61P,C07C,C07F

Abstract:
Compounds of the general formula (III) ##STR6##wherein,R.sup.3 is a hydrogen atom, or a (C.sub.1 -C.sub.6)alkyl, aryl or aryl(C.sub.1 -C.sub.6)alkylene group,R.sup.4 is a hydrogen atom, or a (C.sub.1 -C.sub.6)alkyl, aryl, aryl(C.sub.1 -C.sub.6)alkylene or p-methoxyphenyl group,D is a hydrogen atom, a hydroxyl, protected phosphoric acid, protected diphosphonomethine, protected dicarboxymethine, nitro, amino, protected guanido, protected guanidomethylene, cyano, aminomethylene or protected amidino group, --Y--C"" or C"" group, whereinY is a (C.sub.1 -C.sub.6)alkylene group, an oxygen atom, an imino group, or a (C.sub.1 -C.sub.6)alkyleneimino group,C"" is a sulfonic, phosphonic acid, amidino, (C.sub.1 -C.sub.6)acyl, acylimidoyl, diphosphonomethine or dicarboxymethine group, with the provisio that at least one of R.sup.3, R.sup.4 and D is not a hydrogen atom and that when D is a hydroxyl group and either R.sup.3 or R.sup.4 is a hydrogen atom, neither R.sup.3 nor R.sup.4 is an ethyl or an n-propyl group.