Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs

Abstract

Abstract Dyestuffs, which in the form of the free acid of the formula ##STR1## wherein R 1 denotes hydrogen, nitro, cyano, SO 2 --R 7 , CONR 8 R 9 , SO 2 NR 8 R 9 , SO 2 OR 10 , COOR 10 , SO 2 --NHSO 2 --R 11 , sulpho or alkyl, R 2 denotes hydrogen, nitro, halogen or optionally substituted alkyl, alkoxy or aryl, R 3 denotes hydrogen, halogen, SO 2 --R 7 , SO 2 --NR 8 R 9 or optionally subsituted alkyl, alkoxy or aryl, R 4 denotes hydrogen, halogen or optionally substituted alkyl, alkoxy or aryl, R 5 denotes hydrogen or optionally substituted alkyl, R 6 denotes alkylene, R 7 denotes optionally substituted alkyl, aryl or aralkyl, R 8 and R 9 denote hydrogen, optionally substituted alkyl, cycloalkyl, aryl or aralkyl or the radical of a heterocyclic compound or, together with the N-atom, denote a heterocyclic structure, R 10 denotes hydrogen or optionally substituted alkyl, aryl or aralkyl, R 11 denotes optionally substituted alkyl or aryl or dialkylamino and n denotes 1 or 2 and The radical O--R 6 --OSO 3 H is in the ortho-position or para-position relative to the azo group, are suitable for the dyeing and printing of the natural and synthetic amide group containing fiber materials.

Inventors

• 👤 Herbert Hugl
• 👤 Hans-Gunter Otten
• 👤 Richard Sommer
• 👤 Gerhard Wolfrum

Bibliographic Details