Direct involvement of the acetato ligand in the reductive elimination step of rhodium-catalyzed methanol carbonylation.

Inorg Chem

Laboratoire de Chimie de Coordination (LCC), UPR CNRS 8241, ENSIACET, Université de Toulouse, UPS-INP-LCC, 4 allée Emile Monso, BP 44362, 31030 Toulouse Cedex 4, France.

Published: January 2012

For the last step of rhodium-catalyzed methanol carbonylation, high-pressure NMR, and kinetic and experimental data supported by density functional theory calculations are consistent with substitution of I(-) by an AcO(-) ligand on the [RhI(3)(COCH(3))(CO)(2)](-) species followed by reductive elimination of acetic anhydride, which immediately reacts with water to afford acetic acid.

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Source
http://dx.doi.org/10.1021/ic201574mDOI Listing

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