Naphtholactam dyestuffs

Details Naphtholactam dyestuffs Naphtholactam dyestuffs

1979-08-01

1981-01-20

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546272, 546256, C07D41306, C09B 5700, C07D41314

Patent

active

042464226

ABSTRACT:
A dyestuff of the formula ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, R.sub.1 represents alkyl, alkenyl, cycloalkyl, aralkyl, a heterocyclic structure or, preferably, aryl, X represents --COOH, --COO.sup..crclbar. cation.sup..sym., a modified carboxyl group, the radical --SO.sub.2 --T or a heterocyclic radical, T being alkyl, alkenyl or aryl, and M represents hydrogen or a cation and A and B can carry non-ionic substituents and/or a --COOH group.
The new dyestuffs dye polyester fibers in fast yellow and orange shades.

REFERENCES:
patent: 3399191 (1968-08-01), Brack

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