CATIONIC DYES, THEIR PRODUCTION AND THEIR USE FOR COLORING SYNTHETIC AND NATURAL MATERIALS

摘要

1. Cationic hydrazone dyestuffs of the general formula see diagramm : EP0104529,P11,F5 wherein R denotes H, alkyl, cycloalkyl, aralkyl or aryl and where one R radical corresponds to a radical of the formula see diagramm : EP0104529,P12,F1 wherein R**1 denotes alkyl, cycloalkyl, aryl, aralkyl or halogen, R**2' and R**2 denote alkyl, alkenyl, alkinyl or aralkyl and R**3 denotes a substituted or fused-on benzene or naphthalene ring whose o-position can be ringclosed with R**2' , n denotes 0 or 1 and An**(cation) denotes an anion and the cyclic and acyclic radicals can contain non-ionic substituents and/or a carboxyl group.