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Citation: ZHAO Zhen-Hua. Catalytic Acylation of Ethylidenecyclohexane over Zeolite Catalysts[J]. Chinese Journal of Applied Chemistry, ;2002, 19(4): 310-312. shu

Catalytic Acylation of Ethylidenecyclohexane over Zeolite Catalysts

ZHAO Zhen-Hua ^,

1.
Department of Chemistry, Hunan Normal University, Changsha 410081

Corresponding author: ZHAO Zhen-Hua,
Received Date: 10 September 2001
Available Online: 19 November 2001

Some environmentally friendly catalysts such as HY and H-U zeolites, various cation-exchanged U zeolites, and some other solids have been used in the acylation reaction of ethylidenecyclohexane with acetic anhydride at room temperature to synthesize 3-(1-cyclohexenyl)-2-butanone instead of conventional catalysts. The effect of the amount of HY zeolite used on the acylation reaction was investigated. The yield of the acylated product was 72% in the case of n (ethylidenecyclohexane):n(acetic anhydride):m(HY zeolite)=1 mmol:10 mmol:0.100 g, reaction temperature:25℃, and reaction time:2 h. The regenerated HY zeolite showed almost the same catalytic activity as the fresh zeolite
- acylation,
- zeolite,
- cyclohexenyl-butanone,
- synthesis,
- ethylidenecyclohexane,
- acetic-anhydride
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