Naslov
Photochemical Behaviour of o-Stilbenyl-Pyrroles and Sydnones

Autori
Butković, Kristina ; Basarić, Nikola ; Marinić, Željko ; Šindler-Kulyk, Marija

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
XIXth IUPAC Symposium on Photochemistry, Book of Abstracts / Vidoczy, T. ; Nytrai, J. ; Biczok, L. - Budimpešta : Hungarian Chemical Society, 2002

Skup
XIXth IUPAC Symposium on Photochemistry

Mjesto i datum
Budimpešta, Mađarska, 14.07.2002. - 19.07.2002

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
photochemistry; pyrroles; sydnones; stilbenes; intramolecular cycloaddition

Sažetak
Heterocyclic stilbene analogues, furan, benzofuran, naphthofuran as well as pyrrole derivatives of o-divinylbenzene (1), are useful substrates for the photochemical transformations to heteropolicyclic compounds in one step. While furan and benzofuran derivatives give bicyclo[3.2.1]octadiene structures by intramolecular cycloaddition and heterocyclic ring participation, the naphthofuran analogues give cyclobutane products, formed by [2+2] intermolecular cycloaddition. Nitrogen analogues, with pyrrole ring as a substituent behave completely different, giving dimeric products by intermolecular pyrrole addition to the double bond. In order to prepare heteropolycyclic compounds with one or two nitrogen atoms using photochemical methodology, new stilbene derivatives 2 and 3 were synthesised and photolysed. The identification of intra- and intermolecular products as well as the reaction mechanism will be discussed.

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Biologija

POVEZANOST RADA