Thiazolidine compounds containing a quinone group, their preparation and their therapeutic uses

摘要

Compounds of formula (I): (in which: R<1> is alkyl; R<2> and R<3> are each alkyl or alkoxy, or R<2> and R<3> together form an optionally substituted benzene ring and, when R<2> and R<3> together form said benzene ring, R<1> is hydrogen, halogen or alkyl; R<4> and R<5> are both hydrogen, or together represent a single carbon-carbon bond; W is a single bond or alkylene; and Z is hydrogen or a cation) have valuable therapeutic and prophylactic activities, including anti-diabetic activities.