Laboratori Baldacci S.p.a.

Giulio Caccia

Massimo Baldacci

The xanthosulfonamido and benzensulfonamido derivatives corresponding to the formula: ##STR1## wherein X represents hydrogen, alkyl, alkoxy or halogen, Y represents an alkyl, alkoxy or halogen and Z represents the group ##STR2## or Y and Z taken together form the group: ##STR3## wherein R.sub.1 in turn is a group selected among electron attracting groups, halogens and the group: ##STR4## itself, possess activity in inhibiting the aldose-reductase enzyme system and are thus useful in the treatment of the complications, at the eye and peripheral neuropathy levels, as induced by diabetes.

Sulfonamido derivative inhibiting the aldose reductase enzyme system and

The xanthosulfonamido and benzensulfonamido derivatives corresponding to the formula: ##STR1## wherein x represents hydrogen, alkyl, alkoxy or halogen, Y represents an alkyl, alkoxy or halogen and Z represents the group ##STR2## or Y and Z taken together form the group: ##STR3## wherein R.sub.1 in turn is a group selected among electron attracting groups, halogens and the group: ##STR4## itself, possess activity in inhibiting the aldose-reductase enzyme system and are thus useful in the treatment of the complications, at the eye and peripheral neuropathy levels, as induced by diabetes.

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Giulio Caccia