Polycyclic dyestuffs

Details Polycyclic dyestuffs Polycyclic dyestuffs

1974-10-17

1976-09-07

Waddell, Frederick E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20944

Patent

active

039794130

ABSTRACT:
Polycyclic dyestuffs of the formula ##SPC1##
Wherein R.sub.1 and R.sub.2 represent alkyl, cycloalkyl, aralkyl or aryl or together form a ring which is optionally interrupted by hetero-atoms and wherein both the benzene nucleus A and the said radicals R.sub.1 and R.sub.2 can carry non-ionic radicals customary in dyestuff chemistry, and their use for the dyeing of organic materials, especially synthetic fiber materials. Dyeings obtained show good general fastness properties.

REFERENCES:
patent: 3068057 (1962-12-01), Baumann

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