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The influence of acidic and basic supports on the enantioselective hydrogenation of acetophenone and its aryl-substituted derivates was studied. The Pt/Al 2 O 3 , Pt/Al 2 O 3 –SiO 2 , and Pt/Al 2 O 3 –Cs 2 O catalysts were prepared by single-step flame spray pyrolysis, and cinchonidine (CD) was used as chiral modifier. For all five aromatic...
The influence of support acidity and basicity was investigated in the enantioselective hydrogenation of methyl benzoylformate and ketopantolactone on cinchonidine–modified Pt/Al 2 O 3 –SiO 2 and Pt/Al 2 O 3 –Cs 2 O catalysts. Two series of flame-derived 4.7wt.% Pt/Al 2 O 3 catalysts in which the acid–base properties of the support were...
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