Tetrahedron Asymmetry p. 3339 - 3342 (1996)
Update date:2022-08-05
Topics:
Yamada, Issaku
Yamaguchi, Motowo
Yamagishi, Takamichi
A novel chiral phosphinediamine ligand (PN2) was prepared from (S)-1-phenylethylamine and dichloroisopropylphosphine. The rhodium-PN2 catalyst utilizing selective ligation of the amino unit and electrostatic interaction between the ligand and a substrate gave high enantioselectivities up to 92% ee in asymmetric hydrogenations of acrylic acid derivatives.
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