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On the Sense of the Enantioselection in Hydrogen Transfer Reactions from 2-Propanol to Ketones
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2002
Year
Osmium AminoEngineeringEnantioselective SynthesisProton TransferMolecular StructuresOrganic ChemistryOrganometallic CatalysisCatalysisReaction IntermediateChemistryMolecular ComplexHydrogen Transfer ReactionsReaction ProcessAsymmetric CatalysisChemical KineticsBiophysicsBiomolecular Engineering
An explanation for the reversal in the sense of the enantioselectivity observed in hydrogen transfer reactions from 2-propanol to ketones catalyzed by the ruthenium or osmium amino acidates [(η6-p-MeC6H4-i-Pr)M(Aa)Cl] and [(η6-p-MeC6H4-i-Pr)M(Aa)]3[BF4]3 [Aa=piperidine-2-carboxylate (pip), N-methyl-L-phenylalaninate (MePhe)] is given; the molecular structures of [(η6-p-MeC6H4-i-Pr)Os(Pip)Cl] (1), [(η6-p-MeC6H4-i-Pr)Os(Pip)]3[BF4]3 (2), [(η6-p-MeC6H4-i-Pr)M(MePhe)Cl] [M=Ru (3), Os (4)] are also reported.