Homogenous process for the hydrogenation of carboxylic acids and derivatives thereof
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United States of America Patent
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May 4, 2010
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app pub date -
Apr 29, 2003
filing date -
May 2, 2002
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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.
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