Bicyclic dienones 4 are prepared in a one pot process from the reaction of 2-(acetoxymethyl)cyclohex-2-enone 1 with 1,3-dicarbonyl compounds 2 in the presence of K2CO3 in refluxing absolute ethanol.
双环二烯酮 4 是由 2-(乙酰氧甲基)环己-2-烯酮 1 与 1,3-二羰基化合物 2 在 K2CO3 存在下于回流的绝对
乙醇中通过一锅反应制备而成。