Isoindoline dyes, their preparation and use

Details Isoindoline dyes, their preparation and use Isoindoline dyes, their preparation and use

1980-03-07

1983-02-08

Berch, Mark L.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

542421, 544 63, 544 80, 544 96, 544114, 544121, 544122, 544129, 544130, 544137, 544139, 544140, 544238, 544333, 544364, 544373, 546200, 548215, 548240, 548300, 548356, 8649, 8657, 106288Q, 544232, 544243, 544337, 548470, C07D20944, C07D40110, C07D40310, C07D41310

Patent

active

043731023

ABSTRACT:
Novel dyes of the formula ##STR1## where A is cyano, carbo-C.sub.1 -C.sub.4 -alkoxy, carbamyl, N-C.sub.1 -C.sub.4 -alkylcarbamyl, N-phenylcarbamyl, acetyl, benzoyl, 4-nitrophenyl or 4-cyanophenyl,

REFERENCES:
patent: 3646033 (1972-02-01), Leister et al.
patent: 3706525 (1972-12-01), Blackwell et al.
patent: 4051099 (1977-09-01), von der Crone
Micheel et al., Chem. Ber. 94, 1749 (1961).
Elser et al., Chem. Abs. 79, 20304m (1973).

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