Process for the carbonylation of alkyl alcohols and/or reactive

Details Process for the carbonylation of alkyl alcohols and/or reactive Process for the carbonylation of alkyl alcohols and/or reactive

1996-02-05

1997-12-09

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

562519, C07C 6736, C07C 5112

Patent

active

056962843

ABSTRACT:
In a process for the liquid phase carbonylation of an alkyl alcohol such as methanol, and/or a reactive derivative thereof to produce the corresponding carboxylic acid and/or ester, in the presence of an iridium catalyst, an alkyl halide and water, the reaction is promoted by the presence of at least one promoter selected from cadmium, mercury, zinc, gallium, indium and tungsten, optionally with a co-promoter selected from ruthenium, osmium and rhenium.

REFERENCES:
patent: 3772380 (1973-11-01), Paulik et al.
patent: 4096164 (1978-06-01), Ellgen et al.
patent: 4358411 (1982-11-01), Porcelli et al.
patent: 5510524 (1996-04-01), Garland et al.
Journal of Molecular Catalysts, 2(1977) 149-161 D. Brodzki, B. Denise and G. Pannetier.
J. Chem. Soc., Chem. Commun., 1995--pp. 1045-1046. Dramatic Acceleration of Iodide.

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