Process for the preparation of epoxies

Details Process for the preparation of epoxies Process for the preparation of epoxies

C - Chemistry, Metallurgy

07

D

260/369

C07D 301/00 (2006.01) C07C 409/26 (2006.01) C07D 301/14 (2006.01) C07D 303/00 (2006.01)

Patent

CA 1134842

GW31804 PROCESS FOR THE PREPARATION OF EPOXIES ABSTRACT OF THE DISCLOSURE A process for the preparation of an epoxide from an olefin having a boiling point above 40°C at pressures from 1 to 15 bar has been discovered. The present process has the advantage that the olefin may be directly reacted with a crude peracetic acid reaction medium containing impurities such as heavy metal oxidation catalysts without the necessity of first purifying the peracetic acid. In the process, the olefin is epoxidized by the crude reaction medium in the presence of a complexing agent for the catalyst, at a temperature from about 50 to about 150°C, at a pressure from about 1 to about 15 bar, while simultaneously dis- tilling off unreacted acetaldehyde, solvent, and acetic acid by- product, by passing an inert gas through the reaction medium. (I)

316964

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