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On the role of modifier structure in the palladium-catalyzed enantioselective hydrogenation of furan-2-carboxylic acid
(2004)Journal of Molecular Catalysis. A, ChemicalEnantio selective hydrogenation of the aromatic ring of furancarboxylic acids is an important new application of cinchona-modified palladium as there is no synthetically useful method yet available for this transformation. Here we report a mechanistic investigation of the hydrogenation of furan-2-carboxylic acid. The 5 wt.% Pd/Al2O3 catalyst was chirally modified by cinchonidine (CD) derivatives, (R)-1-(1-naphthyl)ethylanline derivatives, ...Newspaper Article