Preparation of 3,4-epoxy-1-butene

Details Preparation of 3,4-epoxy-1-butene Preparation of 3,4-epoxy-1-butene

C - Chemistry, Metallurgy

07

D

C07D 303/04 (2006.01) B01J 23/50 (2006.01) B01J 23/96 (2006.01) B01J 38/12 (2006.01) B01J 38/16 (2006.01) C07D 301/10 (2006.01)

Patent

CA 2151391

The invention concerns a method of preparing 3,4-epoxy-1-butene by the gas-phase epoxidation of 1,3-butadiene by oxygen or oxygen -containing gases over silver-containing catalysts, and the isol ation of the 3,4-epoxy-1-butene from the reaction products. This is achieved by carrying out the gas-phase epoxidation in the presence of 6 to 80 mole % of steam, calculated relative to the gas mixture fed to the reactor.

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