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Condensation of alkylazulenes with thiophene-2-carboxaldehyde and the corresponding azomethines

Domenii publicaţii > Chimie + Tipuri publicaţii > Articol în revistã ştiinţificã

Autori: Alexandru. C. Razus, Liviu Birzan, Victorita Tecuceanu, Mihaela Cristea and Cristian Enache

Editorial: Arkivoc, xi, p.210-226, 2008.


The reactivity of 4-, 8- and/or 6-azulene methyl group in condensation with thiophene-2-carboxaldehyde or the corresponding azomethines in basic media was studied. The compounds obtained and the yields depend on the starting materials as well as on the base used. esides mono- and di(2-(thien-2-yl)vinyl)azulenes, many carbonyl derivatives and other more complicated compounds were obtained and characterized. Amounts of oligomers and polymers are also formed, with unassigned structures. Starting from di- or trimethyl-substituted azulenes, more that one methyl group can be involved in the condensation.

Cuvinte cheie: Alkylazulene, thiophene-2-carboxaldehyde, condensation