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South African Journal of Chemistry

On-line version ISSN 1996-840X

Abstract

BUDAK, Yakup; FINDIK, Esra  and  CEYLAN, Mustafa. Cyclohexenones through addition of ethyl acetoacetate to 3-aryl-1-(thiophen-3-yl)prop-2-en-1-one derivatives. S.Afr.j.chem. (Online) [online]. 2010, vol.63, pp. 01-10. ISSN 1996-840X.

Chalcone derivatives 3a-i: containing a thiophene ring were prepared by the condensation of 1-(thiophen-3-yl)ethanone with aromatic aldehydes in excellent yields. The Michael addition of ethyl acetoacetate 4 to chalcone derivatives 3a-i: resulted in the formation of nine novel ethyl 6-aryl-4-(3-thienyl)cyclohex-3-en-2-one-1-carboxylate derivatives 6a-i

Keywords : Michael addition; ethyl acetoacetate; cyclohexenones; cyclocondensation.

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