Carbonylation process

U.S. Patent Number: 5344961

Abstract: An improved process for the carbonylation of aryl halides comprises contacting the aryl halide with carbon monoxide under carbonylation conditions in the presence of a co-reactant, a base, and a catalyst system formed from a source of palladium and a bidentate phosphine ligand wherein at least one monovalent phosphorus substituent is aromatic and is substituted on at least one aromatic ring carbon atom with an electron-withdrawing group.

Inventors: Drent; Eit (Amsterdam, NL)

Assignee: Shell Oil Company (Houston, TX)

Application Number: 08/070,001

Issued: 1994-09-06

Expired: 2006-09-06

Classes: 560/103 ; 560/105; 562/406

Field of search: 560/103,105 562/406

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