
Bulletin of the Chemical Society of Japan p. 281 - 283 (1990)
Update date:2022-08-04
Topics:
Yamagishi
Ikeda
Egawa
Yamaguchi
Hida
A chiral diphosphinite ligand having dicyclo-hexylphosphinooxy and dimethylamino moieties (Cy-POP-AE) was effective for the asymmetric hydrogenation of N-(benzoylformyl) amino acids by a Rh(I) catalyst under mild conditions. A neutral rhodium(I) precursor enabled a double asymmetric induction in methanol, while a cationic precursor caused an asymmetric induction controlled mainly by the substrate chirality.
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