Carbonylation of methanol using a novel transition metal...

C - Chemistry – Metallurgy – 07 – F

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C07F 15/00 (2006.01) B01J 31/18 (2006.01) C07C 51/12 (2006.01) C07C 53/08 (2006.01) C07C 67/36 (2006.01) C07C 69/14 (2006.01)

Patent

CA 2090402

2090402 9204118 PCTABS00011 An improved process is provided for the carbonylation of methanol to acetic acid and/or its derivatives, especially methyl acetate, under mild reaction conditions using a novel catalyst precursor. The precursor is a transition metal complex having a heterodifunctional bidentate phosphorous - nitrogen ligand attached to the metal. The carbonylation reaction can now typically be carried out at 80 ·C and CO pressure of 40 p.s.i.g.

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