Quinophthalone dyes for cellulose-containing fibers

Details Quinophthalone dyes for cellulose-containing fibers Quinophthalone dyes for cellulose-containing fibers

1983-06-16

1985-02-19

Ford, John M.

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

Organic compounds

Chalcogen in the nitrogen containing substituent

544212, C07D40110, C07D40114

Patent

active

045007101

ABSTRACT:
Quinophthalone dyes for cellulose-containing fibers represented by the following general formula: ##STR1## wherein X represents a hydrogen atom, a chlorine atom or a bromine atom, --A-- represents a methylene group, an ethylene group, a propylene group or a 1,3-butylene group, n represents 0 or 1, --Y-- represents a linkage group of --O-- or --S--, R.sup.1 and R.sup.2 each represents a hydrogen atom, an alkyl or alkenyl group which may optionally be substituted with a cyano group, a hydroxy group, a lower alkoxy group or by a dialkylamino group, or R.sup.1 and R.sup.2 may be combined together with the adjacent nitrogen atom to form a 5- or 6-membered, nitrogen-containing heterocyclic ring having the total carbon atom number in R.sup.1 and R.sup.2 of up to 18.

REFERENCES:
patent: 3983117 (1976-09-01), Scheuermann et al.

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