FIELD: chemistry.
SUBSTANCE: invention relates to novel substituted 2,4-di-tert-butylbenzo[5,6][1,4]oxazino[2,3-b]phenoxazines of general formula I
where R1 = hydrogen, halogen, tert-butyl; R2 = hydrogen, halogen, nitro group; R3 = hydrogen, halogen, alkyl C1-C4, tert-butyl, nitro group, as well as to methods for production thereof.
EFFECT: obtaining novel compounds having luminescence in the yellow-green region of the spectrum.
3 cl, 2 tbl, 10 ex
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