Photochemistry of b-(4-sydnonyl)-o-divinylbenzene: Competitive cis-trans isomerization and photolysis (CROSBI ID 106904)
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Podaci o odgovornosti
Butković, Kristina ; Basarić, Nikola ; Lovreković, Kristijan ; Marinić, Željko ; Višnjevac, Aleksandar ; Kojić-Prodić, Biserka ; Šindler-Kulyk, Marija
engleski
Photochemistry of b-(4-sydnonyl)-o-divinylbenzene: Competitive cis-trans isomerization and photolysis
New cis- and trans-3-aryl-4-[2-(2-vinylphenyl)ethenyl]sydnones (2, aryl= phenyl, p-tolyl) were prepared and transformed on irradiation in the presence of acrolein to a pyrazoline derivative that aromatises during isolation to trans-1-tolyl-3-[2-(2-vinylphenyl)ethenyl]pyrazole (7) and trans -5-formyl-1-tolyl-3-[2-(2-vinylphenyl)ethenyl]pyrazole (8).
sydnones; pyrazoles; photochemistry; nitrile imines; dipolar cycloaddition
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