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New fluorescent 2-(5-acetoacetyl-2-furyl)-benzazoles with prochiral methylene group protons |
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| Authors: | A A Aleksandrov M M Elchaninov N I Makarova B S Lukyanov |
| Institution: | (1) South-Russian State Technological University, 132 Prosveshcheniya St., Novocherkassk, 346428, Russia;(2) Research Institute for Physical and Organic Chemistry, Southern Federal University, 194/2 Stachki Ave., Rostov-on-Don, 344090, Russia |
| Abstract: | New fluorescent benzazoles containing prochiral protons in the methylene group have been synthesized. Their spectral-absorption and fluorescent properties have been investigated. Quantum yields of fluorescence were 0.39–0.55. The long-wave absorption band and the emission band in the spectra of the obtained acetoacetyl furylbenzazole derivatives are caused by electronic transition with charge transfer between the benzazole and acetoacetylfuryl fragments. |
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