Naphtholactam dyestuffs

Details Naphtholactam dyestuffs Naphtholactam dyestuffs

1977-05-06

1979-04-10

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

82 1D, 260304D, 2603068R, 2603068D, 260307D, 260308R, 26032612R, 26032614R, 2603265B, 2603265S, 26032662, 544322, 544331, 548336, 546143, 546162, 546272, C07D20990

Patent

active

041488059

ABSTRACT:
A dyestuff of the general formula (I) ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, A represents a heterocyclic radical or an aromatic radical having negative substituents and B and C can carry further non-ionic substituents. The dyestuffs give brilliant red and yellow shades on polyester fibers.

REFERENCES:
patent: 3278551 (1966-10-01), Kleiner et al.
patent: 3462408 (1969-08-01), Hoffmann et al.
patent: 3649645 (1972-03-01), Yamada et al.
patent: 3687972 (1972-08-01), Padmanathan
patent: 3959310 (1976-05-01), Brack et al.
patent: 3969346 (1976-07-01), Koller et al.
patent: 3992405 (1976-11-01), Brack

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