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THE 2-AZIDOBEZOPHENONE PHOTOCYCLYZATION PECULIARITIES

Sinjagina D.Y
We have found that photolysis of 2-azidobezophenone in acetonitrile greatly differs from the azide thermolysis in the same circumstances. Spectra and chromatographic methods have shown that 2-azidobezophenone in acetonitrile gives 3-phenylanthranil under irradiation at 254 nm. In the case of small irradiation times the changes in the electronic spectra of the reaction mixture under study are accompanied by the isobestic point appearance. However, the prolonged irradiation gives the secondary photolysis product, 3-phenylanthranil. If there has place the 3-phenylanthranil formation in the course of the 2-azidobezophenone thermolysis in inert solvents, the last reaction is accompanied by 9(10H)-acridone formation, then after photolysis of 2-azidobezophenone and decomposition of 3-phenylanthranil the 9(10H)-acridone formation is not observed. The proposed photolysis products were synthesized by counter methods.

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Синягина Д.Ю ОСОБЕННОСТИ ФОТОЦИКЛИЗАЦИИ 2-АЗИДОБЕНЗОФЕНОНА // Научное обозрение. Химические науки. 2020. № 1. С. 31-31;
URL: https://science-chemistry.ru/en/article/view?id=41 (дата обращения: 27.07.2026).