Process for converting dimethyl ether to ethylidene diacetate

Details Process for converting dimethyl ether to ethylidene diacetate Process for converting dimethyl ether to ethylidene diacetate

C - Chemistry, Metallurgy

07

C

C07C 69/16 (2006.01) C07C 27/06 (2006.01) C07C 29/151 (2006.01) C07C 41/01 (2006.01) C07C 51/12 (2006.01) C07C 51/56 (2006.01) C07C 67/293 (2006.01) C07C 67/37 (2006.01)

Patent

CA 2093747

A process for producing ethylidene diacetate (EDDA) is disclosed wherein dimethyl ether is hydrocarbonylated in the presence of a newly discovered catalyst system. The process comprises reacting dimethyl ether, hydrogen, carbon monoxide and acetic acid in the presence of a catalyst system comprising a Group VIII metal, methyl iodide, lithium iodide and optionally, lithium acetate, under conditions sufficient to form EDDA and recovering the EDDA from the reaction mixture. The process is highly selective toward producing EDDA.

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