Alkyl 3,5-dihydroxy-4-(2-benzothiazolyl)benzoates

Details Alkyl 3,5-dihydroxy-4-(2-benzothiazolyl)benzoates Alkyl 3,5-dihydroxy-4-(2-benzothiazolyl)benzoates

1978-04-27

1980-06-17

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548334, 25230128, 548224, C07D27766

Patent

active

042083281

ABSTRACT:
A series of solid organic luminescent materials is disclosed comprising the condensation product of a substituted aromatic primary amine with an alkyl ester of a hydroxy aromatic acid having an alkyl group containing up to about 6 carbon atoms. The present organic phosphors can be excited with 3650 Angstrom radiation to provide efficient red color emission. A process for the preparation of these phosphors is also disclosed.

REFERENCES:
patent: 3294542 (1966-12-01), Sus et al.
patent: 3972875 (1976-08-01), Smith

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