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Synthesis and Spectroscopic Properties of Carbazole-Oxadiazoles

Gündoğdu L. | Şen N. | Hızlıateş C.G. | Ergün M.Y.

Article | 2017 | Journal of Fluorescence27 ( 6 ) , pp.2095 - 2100

Four new carbazole-oxadiazole derivatives (3a-b, 6a-b) were prepared from the reaction of aromatic aldehydes and carbohydrazides which were synthesized from carbazole aldehydes namely 9-hexyl-9H-carbazole-3-carbaldehyde 1 and 4-(9H-carbazole-9-yl)benzaldehyde 4 and acid hydrazides. The structures of the new derivatives were confirmed by 1H-NMR and FT-IR. The optical properties such as maximum absorption and emission wavelengths (?; nm), molar extinction coefficients (?; cm-1 M-1), Stoke’s shifts (??ST; nm) and quantum yields (?F), of the carbazole-oxadiazole derivatives were declared in dichloromethane, toluene and tetrahydrofuran s . . .olutions. © 2017, Springer Science+Business Media, LLC Daha fazlası Daha az

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