Photochemical and thermal transformations of thiophene o-distyrylbenzene analogues in acidic media (CROSBI ID 186975)
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Podaci o odgovornosti
Vuk, Dragana ; Marinić, Željko ; Molčanov, Krešimir ; Kojić-Prodić, Biserka ; Šindler-Kulyk, Marija
engleski
Photochemical and thermal transformations of thiophene o-distyrylbenzene analogues in acidic media
Intramolecular photochemical reactions of thiophene analogues of o-distyrylbenzene, 2, 2'- (o-phenylenedivinylene)dithiophenes (1a, b), 3, 3'-(o-phenylenedivinylene)dithiophene (2a) and 3, 3'-(o-phenylenedivinylene)dibenzothiophene (2b), were studied in acidic media at low concentrations. A 1, 6- and 1, 5-ring closure of hexatriene system leading to dihydronaphthalene or indene derivatives, respectively, was observed.
electrocyclization ; photochemistry ; protonation ; thiophenes ; o-divinylbenzenes
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