Chiral ligands for asymmetric catalysis
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United States of America Patent
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Jan 9, 2001
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app pub date -
Nov 4, 1999
filing date -
Nov 5, 1998
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Abstract
An enantiomerically enriched compound of formula (4) ##STR1## or the opposite enantiomer thereof, wherein R is C.sub.1-10 alkyl. This compound, in the form of a transition metal complex, is useful as a catalyst for stereoselective hydrogenation.
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