Process for co-production of dialkyl carbonate and alkanediol

Details Process for co-production of dialkyl carbonate and alkanediol Process for co-production of dialkyl carbonate and alkanediol

C - Chemistry, Metallurgy

07

C

C07C 68/06 (2006.01) C07C 69/96 (2006.01)

Patent

CA 2394298

A method is provided for co-producing dialkyl carbonate and alkanediol by reacting alkylene carbonate with alkanol in the presence of a complex salt catalyst having a formula: Ax(MyOz), wherein A is an alkali metal or alkaline earth metal, M is a Group 5 or Group 6 transition metal, O is oxygen, x is 1 or 2, y is 1 or 2, and z is an integer from 3 to 6.

La présente invention concerne un procédé de co-production de carbonate de dialkyle et d'alcanediol, par mise en réaction de carbonate d'alkylène et d'alcanol, en présence d'un catalyseur de sel complexe, de formule A¿x?(M¿y?O¿z?), dans laquelle A représente un métal alcalin ou un métal alcalino-terreux, M représente un métal de transition du groupe 5 ou du groupe 6, O représente oxygène, x vaut 1 ou 2, y vaut 1 ou 2 et z est un entier allant de 3 à 6.

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