Phenanthro oxazole phosphor compounds

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