Hydrogenation asymetrique des dehydroaminoacides catalysee par des complexes rhodium-aminophosphine phosphinite. Influence de la structure des chelates
作者： A. Karim , A. Mortreux , F. Petit
DOI: 10.1016/0022-328X(86)80325-4
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摘要: Abstract Asymmetric hydrogenation of dehydroaminoacids catalyzed by [Rh-L∗2] moieties (L∗2 - aminophosphine phosphinite) is performed with a good activity and allows optical yields 90% in the case acetamidoacrylic acid [Rh(COD)-(PPh2O) CHCH 2 CH(COR)N(PPh )C H2]+ ClO4− system (R = O(CH2)2OC2H5). The product configuration enantioselectivity has been correlated to both acyclic or cyclic structure ligand nature alkyl aryl substituent chelating phosphine.
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