Catalytic hydrogenation of carbon-heteroatom double bonds
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United States of America Patent
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Nov 4, 2008
Grant Date -
May 18, 2006
app pub date -
Nov 27, 2003
filing date -
Dec 2, 2002
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Abstract
Process for catalytically hydrogenating carbon-heteroatom double bonds, in particular for asymmetrically catalytically hydrogenating simple ketones, which includes the step of reacting the substrate with hydrogen in the presence of a hydrogenation catalyst and of a base, characterized in that the hydrogenation catalyst is a 5-coordinate ruthenium complex which in each case has a monophosphine ligand and a bidentate P-N ligand.
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