Patent Number: 7,709,689

Title: Homogenous process for the hydrogenation of carboxylic acids and derivatives thereof

Abstract: A homogenous process for the hydrogenation of the carboxylic acids and/or derivatives thereof in the presence of a catalyst comprising ruthenium, rhodium, iron, osmium or palladium, and an organic phosphine is described in which the hydrogenation is carried out in the presence of at least about 1% by weight water. A process for regenerating a catalyst comprising ruthenium, rhodium, iron, osmium or palladium and an organic phosphine is also described in which the regeneration is carried out in the presence of hydrogen and water.

Inventors: Kilner; Melvyn (Durham, GB), Tyers; Derek Vincent (Thornaby, GB), Crabtree; Simon Peter (Durham, GB), Wood; Michael Anthony (Yarm, GB)

Assignee: Davy Process Technololgy Limited

International Classification: C07C 27/04 (20060101)

Expiration Date: 5/04/12018