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Photochemistry of o-pyrrolylstilbenes, formation of spiro-2H-pyrroles and their rearrangement to dihydroindoles (CROSBI ID 522451)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Basarić, Nikola ; Marinić, Željko ; Šindler-Kulyk, Marija Photochemistry of o-pyrrolylstilbenes, formation of spiro-2H-pyrroles and their rearrangement to dihydroindoles // DU NMR 2006 - Book of Abstracts / Smrečki, Vilko ; Vikić-Topić, Dražen (ur.). Zagreb: -, 2006. str. 4-4-x

Podaci o odgovornosti

Basarić, Nikola ; Marinić, Željko ; Šindler-Kulyk, Marija

engleski

Photochemistry of o-pyrrolylstilbenes, formation of spiro-2H-pyrroles and their rearrangement to dihydroindoles

Excited states of stilbenylpyrroles 1 deactivate by two photochemical processes: cis-trans isomerization and hydrogen transfer of NH to stilbene double bond. NH-transfer results in the formation of two quinone dimethane intermediates, and biradicals. Intramolecular cyclization of intermediates gives rise to polycyclic compounds: spiro-2H-pyrroles 7, pyrroloisoindoles 3 and pyrroloisoquinolines 8. Spiro-2H-pyrroles 7 rearrange on silica gel giving dihydroindoles 2. Structures of the compounds 2, 3, 8 and 9 were determined by NMR spectroscopy.

NMR; photochemistry; pyrroles; stilbenes

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Podaci o prilogu

4-4-x.

2006.

objavljeno

Podaci o matičnoj publikaciji

DU NMR 2006 - Book of Abstracts

Smrečki, Vilko ; Vikić-Topić, Dražen

Zagreb: -

Podaci o skupu

DU NMR 2006 The Fifth International DU NMR Course and Conference

poster

02.11.2006-05.11.2006

Mali Ston, Hrvatska

Povezanost rada

Kemija