
Methylethers of cinchona alkaloids in Pt-catalyzed hydrogenation of methyl benzoylformate and pyruvaldehyde dimethyl acetal : Part 2: Effect of stereochemical factors on the enantioselectivity
Keywords: Cinchona alkaloid derivatives; Enantioselective hydrogenations; Methyl benzoylformate; Pyruvaldehyde dimethyl acetal; Pt-alumina; Nucleophilic mechanism; Stereochemistry