JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Carbonylation of methyl acetate into acetic anhydride on Rh and Ir catalysts exchanged in NaY zeolithes

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The reduction of Rh (III) and In (III) by means of carbon monoxide at a moderate temperature leads to the formation of complexes of definite dicarbonyles of rhodium or iridium. The oxidation of halogeno methane by these complexes leads to an M-R bond which reacts with carbon monoxide to produce an acyl bond. The complex transforms through a reducing elimination of the acetyl halogen in the presence of methyl acetate, to form acetic anhydride.

B. Elleuch, Y. Ben Taarit, P. Gelin. 

Pages 27-38

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