Alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole and ph

Details Alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole and ph Alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole and ph

1989-10-18

1992-04-21

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

430512, 428512, C07D26364

Patent

active

051069890

ABSTRACT:
An alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole represented by the structural formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 are independently alkyl groups having 9-20 carbon atoms, m and n are independently 0 or positive integers and m+n=1-4, and a photographic support comprising the alkyl-substituted 2,2'-(1,4-naphthalenediyl)dibenzoxazole as a fluorescent agent. The photographic support comprising the same has bright whiteness and does not cause color change or bleeding out.

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Gugielmetti, Chem. Abstr, vol. 94, entry 48840s (1981).
Frischkorn, Chem. Abstr, vol. 71, entry 126003n (1969).
Gugielmetti, Chem. Abstr, vol. 87, entry 68338t (1977).

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