Benzoxazolyl-stilbenes

Details Benzoxazolyl-stilbenes Benzoxazolyl-stilbenes

1980-05-05

1981-10-27

Demers, Arthur P.

Compositions

Organic luminescent material containing compositions

Optical brightening compositions

25230122, 542435, 542436, 542431, 542464, C07D41310, C07D41314

Patent

active

042972345

ABSTRACT:
Benzoxazolyl-stilbenes of the formula ##STR1## in which R is a 6-membered heterocyclic radical which has 2 nitrogen atoms in the o-position, m-position or p-position relative to one another, and one of Z and Z.sub.o is hydrogen and the other is hydrogen or chlorine, and the benzene nucleus A can carry conventional non-chromophoric substituents, processes for their preparation and their use for the fluorescent brightening of organic material.

REFERENCES:
patent: 3684729 (1972-08-01), Tuite
patent: 3732221 (1973-05-01), Siegrist et al.
patent: 4061860 (1977-12-01), Kormany et al.

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