Tetrahedron Letters p. 6701 - 6704 (1999)
Update date:2022-08-05
Topics:
Li, Wenge
Zhang, Zhaoguo
Xiao, Dengming
Zhang, Xumu
A chiral hydroxyl bisphospholane, 1,2-bis[(2S,3S,4S,5S)-3,4-dihydroxyl-2,5-dimethylphospholanyl]benzene (4), was synthesized from readily available D-mannitol. Its Rh(I) complex catalyzes asymmetric hydrogenation of dehydroamino acids and their ester derivatives with excellent enantioselectivities (98 to >99% ee).
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