2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted is

Details 2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted is 2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted is

1983-03-01

1985-06-25

Daus, Donald G.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544284, 106288Q, C07D48704, C09B 5704

Patent

active

045255911

ABSTRACT:
Isoindoline dyes of the formula ##STR1## where X is a radical of the formula ##STR2## and R is hydrogen, alkyl, benzyl, phenyl, napth-1-yl or a 5-membered or 6-membered unsaturated heterocyclic radical which may or may not be fused to a benzene ring, and the rings A, the phenyl ring, the naphthyl ring and the heterocyclic radical in R are unsubstituted or substituted by non-solubilizing groups, color finishes, printing inks and plastics in deep red or brown hues which are very lightfast and fast to migration.

REFERENCES:
patent: 3468888 (1969-09-01), Chow et al.
patent: 3646033 (1972-02-01), Leister et al.
patent: 4041163 (1977-08-01), Bindra et al.
patent: 4096145 (1978-06-01), Schefczik
patent: 4167569 (1979-09-01), Mills
patent: 4271303 (1981-06-01), Vamvakaris et al.
Chemical Abstracts, vol. 45, No. 22, 10247-10248, 11/25/1951 de Cat et al., "Heterocyclic Derivatives of Pyrimidobenzimidazoles."

Affiliated with

Also associated with

Rating

2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted is does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with 2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted is, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and 2,4-Dioxotetrahydropyrimido-(1,2-a)-benzimidazole substituted is will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-555928