Process for preparing ethylidene diacetate using iodine...

Details Process for preparing ethylidene diacetate using iodine... Process for preparing ethylidene diacetate using iodine...

C - Chemistry, Metallurgy

07

C

C07C 69/16 (2006.01) C07C 51/12 (2006.01) C07C 67/00 (2006.01) C07C 67/08 (2006.01)

Patent

CA 2093749

The present invention relates to a process for producing ethylidene diacetate (EDDA) wherein at least one process step comprises condensing a feedstock of acetaldehyde and acetic anhydride in the presence of acetic acid and an iodide catalyst selected from the group consisting of potassium iodide, lithium iodide, methyl iodide and mixtures thereof. In a preferred embodiment, EDDA is prepared in an integrated process wherein the previously mentioned feedstock is prepared by reacting dimethyl ether and acetic acid to form a first intermediate product mixture and hydrocarbonylating the first intermediate product mixture to form the condensation feedstock.

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