Phenanthro oxazole phosphor compounds

Details Phenanthro oxazole phosphor compounds Phenanthro oxazole phosphor compounds

1973-09-24

1976-05-18

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

25230128, C07D26352

Patent

active

039578100

ABSTRACT:
Organic phosphors are essentially chemical compounds of the following structural formula ##SPC1##
Where R = H, Cl, Br, CHO, COCH.sub.3, COOH, or ##SPC2##
The method of preparing said substances resides in that 9,10-phenanthraquinonimine is made to react with 5-substituted furfural, wherein H, Cl, Br, CHO, COCH.sub.3, COOH may be used as substituents in the presence of piperidine in a medium of an organic solvent at the reaction mixture boiling temperature, whereupon said solvent is eliminated.

REFERENCES:
patent: 3257204 (1966-06-01), Sus et al.
Stein et al., J.A.C.S. 64, pp. 2567-2569 (1942).

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