Chiral phosphorous compounds, a process for their manufacture and their application to the catalysis of enantioselective synthesis reactions
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United States of America Patent
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May 11, 1993
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N/A
app pub date -
Dec 23, 1991
filing date -
Aug 5, 1983
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Expired
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Abstract
Chiral phosphorus-containing ligands comprising at least one amine radical and at least one dihydrocarbylphosphinoxy radical of the formula W=OP (R).sub.2, in which R is a hydrocarbon radical selected from the group consisting of alkyl, aryl, and cycloalkyl radicals, wherein the ligand is selected from the group consisting of: those of the formula ##STR1## those of the forumula ##STR2## those of the formula ##STR3## those of the formula ##STR4##
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