Photoisomerization and Photocyclization of 5-Styryloxazole (CROSBI ID 214664)
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Šagud, Ivana ; Šindler-Kulyk, Marija ; Spalletti, Anna ; Mazzucato, Ugo
engleski
Photoisomerization and Photocyclization of 5-Styryloxazole
This paper describes the competition of the relaxation processes (fluorescence, isomerization and cyclization) of 5-styryloxazole in the first excited singlet state. The study is carried out under mild conditions and in the first stage of irradiation to compare the photobehaviour with that reported in a previous work on preparative scale. The quantum yields of the radiative and reactive deactivation are compared with those of the analogous compounds containing pentatomic heteroaryl groups.
electrocyclization; fluorescence; oxazoles; photochemistry
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