Collection of Czechoslovak Chemical Communications p. 1255 - 1261 (2011)
Update date:2022-08-04
Topics:
Budak, Yakup
Findik, Esra
Chalcone derivatives containing thiophene ring were prepared by the condensation of 3-acetylthiophene with aromatic aldehydes in excellent yields. The addition of ethyl acetoacetate to chalcone derivatives 3a-3h in the presence of solid NaOH in CH2Cl2 resulted in the formation of the mixture of bicyclic lactone derivatives 5a-5h and 6-(ethoxycarbonyl) cyclohexenone derivatives 6a-6h.
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