C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 27/04 (2006.01) B01J 31/24 (2006.01) B01J 31/40 (2006.01) C07C 29/149 (2006.01)
Patent
CA 2483405
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.
L'invention concerne un procédé homogène permettant l'hydrogénation des acides carboxyliques et/ou de dérivés de ceux-ci en présence d'un catalyseur comprenant du ruthénium, du rhodium, du fer, de l'osmium ou du palladium, et une phosphine organique, l'hydrogénation étant effectuée en présence d'au moins 1% en poids d'eau. L'invention concerne également un procédé permettant de régénérer un catalyseur comprenant du ruthénium, du rhodium, du fer, de l'osmium ou du palladium et une phosphine organique, cette régénération étant effectuée en présence d'hydrogène et d'eau.
Crabtree Simon Peter
Kilner Melvyn
Tyers Derek Vincent
Wood Michael Anthony
Davy Process Technology Limited
Ridout & Maybee Llp
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