Spectral and luminescence properties of derivatives of 2-aryl[9,10]phenanthroxazole

Abstract

Certain 2-aryl derivatives of [9,10]phenanthroxazole have been synthesized and their spectral and luminescence properties have been investigated. It has been shown that the introduction of acceptor substituents into the para position of the 2 -phenyl radical changes the nature of the fluorescence state, resulting in a nearly two-fold increase of the rate constant of fluorescence emission and a 50% increase of the quantum yield of fluorescence. Special features of the spectral and luminescence properties have been examined for derivatives with an intramolecular hydrogen bond (aryl = o-hydroxyphenyl) and with considerable steric hindrance (aryl = 9-anthryl).

How to Cite
Doroshenko, A. O.; Posokhov, E. A.; Shershukov, V. M.; Mitina, V. G.; Ponomarev, O. A. Chem. Heterocycl. Compd. 1995, 31, 492. [Khim. Geterotsikl. Soedin. 1995, 558.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF01177024