Journal of Organic Chemistry p. 468 - 473 (1982)
Update date:2022-08-04
Topics: Synthesis Chiral Application Rhodium-Catalyzed Asymmetric Hydrogenations
Amma, J. Padmakumari
Stille, J. K.
New chiral 1,2-diphosphine ligands, (R)-1,2-bis(diphenylphosphino)-3-(benzyloxy)propane and (R)-1,2-bis(diphenylphosphino)-3-tert-butoxypropane, have been prepared from D-mannitol.The rhodium(I) cationic complexes of these ligands are efficient asymmetric homogeneous hydrogenation catalysts for dehydro amino acids, giving (S)-amino acids in high optical yield (80-90percent).
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