Method for carbonylation of lower aliphatic alcohols using a sup

Details Method for carbonylation of lower aliphatic alcohols using a sup Method for carbonylation of lower aliphatic alcohols using a sup

1999-02-16

2000-10-24

Wilson, James O.

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

Organic compounds

Carboxylic acid esters

562519, 562607, C07C 6736, C07C 5110, C07C 5308, C07C 5112

Patent

active

061370002

ABSTRACT:
A vapor phase process for the carbonylation of lower alkyl alcohols to esters and optionally, carboxylic acids using a catalyst containing iridium and at least one second metal selected from the Lanthanide Series. Desirably, the iridium and secondary metal are deposited on activated carbon as a support material. In a preferred aspect of the invention, the vapor phase process is useful for preparing acetic acid, methyl acetate or a mixture thereof by contacting the catalyst with a vapor comprising methanol, a halide and carbon monoxide under carbonylation process conditions.

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