The first CNN pincer osmium complexes [OsCl(CNN)P2] are extremely active and productive catalysts for both TH and HY of ketones (TOF ~ 106 h-1 and TON ~ 105). High enantioselectivity has been achieved with the chiral osmium derivatives at 0.005-0.002 mol %. The species [OsX(CNN)(dppb)] with X = H and OR are involved in catalytic TH and HY reactions.
Osmium(II) CNN Pincer Complexes as Efficient Catalysts for Both Asymmetric Transfer and H2 Hydrogenation of Ketones
BARATTA, Walter;M. BALLICO;
2008-01-01
Abstract
The first CNN pincer osmium complexes [OsCl(CNN)P2] are extremely active and productive catalysts for both TH and HY of ketones (TOF ~ 106 h-1 and TON ~ 105). High enantioselectivity has been achieved with the chiral osmium derivatives at 0.005-0.002 mol %. The species [OsX(CNN)(dppb)] with X = H and OR are involved in catalytic TH and HY reactions.File in questo prodotto:
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Angew. Chem. Int. Ed. 2008, 47, 4362 –4365.PDF
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