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Eleven chiral trivalent or quatrivalent phosphorus reagents were synthesized starting from L‐proline, D‐camphor, (+)‐ or (−)‐1,1′‐binaphthalene‐2,2′‐diol, (−)‐α‐phenylethylamine, etc. and their application as catalysts in asymmetric borane reduction of N‐phenyl imine of acetophenone was preliminarily investigated. N‐Phenyl α‐phenylethylamine was obtained in good yield with low to moderate enantioselectivity. © 2003 Wiley Periodicals, Inc. Heteroatom Chem 14:546–550, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.10190

Eleven chiral trivalent or quatrivalent phosphorus reagents were synthesized starting from L-proline, D-camphor, (+)- or (−)-1,1'-binaphthalene-2,2'-diol, (−)-α-phenylethylamine, etc. and their application as catalysts in asymmetric borane reduction of N-phenyl imine of acetophenone was preliminarily investigated. N-Phenyl α-phenylethylamine was obtained in good yield with low to moderate enantioselectivity. © 2003 Wiley Periodicals, Inc. Heteroatom Chem 14:546–550, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/hc.10190