| abstract |
A solid catalyst comprising an effective amount of iridium and at least one second metal selected from gallium, zinc, indium and germanium bonded to a solid support material is an alkyl alcohol, ester, ether or ester-alcohol mixture Useful for gas phase carbonylation to produce carboxylic acids and esters from Iridium and at least one second metal are deposited on the support material. In some embodiments of the invention, the catalyst is useful for gas phase carbonylation. |