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《Journal of Jilin University (Science Edition)》 1992-01
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Transesterification of Ketones with Enolacetate under the Catalysis of Cupric Sulphate

Li Yezhi, Jin Hui, Cao Rong and Huang Huamin (Department of Chemistry, Jilin University, Changchun)  
The cyclopentenyl acetate (2a), cyclohexenyl acetate(2b), 2-metyl cyclohexenyl acetate(2c), cycloheptenyl acetate(2d), 2-acetoxy-2-pentenyl-4-one(2e) and β-acetoxybutenoic ester(2f) were obtained by the transesterification of cyclopentanone (la), cyclohexanone(1b), 2-methyl-cyclohexanone (1c), cycloheptanone (1d), acetylacetone (1e) and ethyl acetoacetate (1f) with isopropenyl acetate or vinyl acetate in the presence of cupric sulfate.
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