Synthesis of 1,3,4-oxadiazole and xanthen-2-one luminophoric epoxide monomers

Epoxide derivatives of 2,5-bis-oxyphenul-1,3,4-oxadiazoles and fluorescein, which are luminescent epoxide monomers, are synthesized. Their luminescence properties are studied.L. M. Litvinenko Institute of Physical Organic Chemistry, National Academy of Sciences of Ukraine, Donetsk 340114Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 407–412, March, 1999.