Hydroxyphenyl-thiazole-thiazoline and -thiazolidine carboxylic acids, process for their preparation and these compounds for use in influencing the collagen metabolism.

摘要

What are disclosed are hydroxyphenyl-thiazole-, -thiazoline- and -thiazolidine-carboxylic acids of the formulae IMAGE (I) and IMAGE (II) in which R1 and R3, independently from each other, are hydrogen, methyl, chlorine or bromine, and R1 and R3 may alternatively be nitro, amino or sulfonylamido R2 is hydrogen, hydroxyl or methyl R4 is hydrogen or methyl and R5 is hydrogen, methyl, phenyl or -COOH and their salts with physiologically acceptable bases, a process for the preparation thereof and their use for influencing the collagen metabolism.