双烯酮
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双烯酮-
利用废报纸中的纤维素与含双烯酮的苯-正己烷混合溶液在70℃下反应1.5h，制备含乙酸乙酰基团的螯合树脂。
The cellulose from waste newspaper was used in the preparation of a chelating resin containing acetoacetate groups by reacting cellulose with diketene in a mixed solution of benzene and nI-hexane at 70 ℃ for 1.5 hours .
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有机砷化合物的研究&Ⅶ.胂叶立德与双烯酮反应
Studies on organoarsenic compounds & ⅶ . reaction of arsonium ylides with ketene dimer
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而由混合酸酐或双烯酮代替酰氯，中间体也可能是烯酮或烯醇5。
Similarly , using diketene to replace mixed anhydride or acid chloride , intermediate enol 5 may be obtained .