Substituted 3-benz(cd)indol-2-(1H)-ylidene-furo[2,3-b]quinoxalin

Details Substituted 3-benz(cd)indol-2-(1H)-ylidene-furo[2,3-b]quinoxalin Substituted 3-benz(cd)indol-2-(1H)-ylidene-furo[2,3-b]quinoxalin

1977-05-13

1979-12-25

Higel, Floyd D.

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C09B 1700, C09B 5700, D06P 324, D06P 352

Patent

active

041806654

ABSTRACT:
Dyestuffs of the 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 and n represents 0, 1 or 2 and A, B and D can carry further non-ionic substituents are disclosed; the sulfo-free dyestuffs are suitable for dyeing semi-synthetic and synthetic fibers, especially polyamides and polyesters, and the sulfo-substituted dyestuffs are suitable for dyeing, for example, wool and synthetic polyamides.

REFERENCES:
patent: 1762021 (1930-06-01), Kranzlein et al.
patent: 3399191 (1968-08-01), Brack
patent: 3979386 (1976-09-01), Von Der Crone et al.
patent: 4020068 (1977-04-01), Farber
patent: 4056528 (1977-11-01), Schwander et al.
Klicnar et al., Chemical Abstracts, vol. 74, #76393d (1971).
Schwander, Chemical Abstracts, vol. 85, #194094g (1976).

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