Sulfonamides derived from 1-hydroxy-6-aminonaphthalene-3-sulfonic acid (J acid)

摘要

The sulfonamides have the formula <IMAGE> where R1 is C1-C13-lkyl, substituted or unsubstituted phenyl, C1-C8-alkanoyl or substituted or unsubstituted benzoyl, and R2 and R3 are each independently of one another substituted or unsubstituted C1-C13-alkyl, substituted or unsubstituted C5-C7-cycloalkyl or substituted or unsubstituted piperidinyt, or R2 may also be hydrogen.