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Competition at Chiral Metal Surfaces: Fundamental Aspects of the Inversion of Enantioselectivity in Hydrogenations on Platinum

✍ Scribed by Bonalumi, Norberto; Vargas, Angelo; Ferri, Davide; Bürgi, Thomas; Mallat, Tamas; Baiker, Alfons


Book ID
121438210
Publisher
American Chemical Society
Year
2005
Tongue
English
Weight
403 KB
Volume
127
Category
Article
ISSN
0002-7863

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Inversion of enantioselectivity in the h
✍ Simon Diezi; Andras Szabo; Tamas Mallat; Alfons Baiker 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 178 KB

Asymmetric hydrogenation of ketopantolactone was studied on a 5 wt% Pt/Al 2 O 3 catalyst in the presence of cinchonidine and its O-methyl, -ethyl, -phenyl and -trimethylsilyl derivatives. Inversion of enantioselectivity with the latter two bulky substituents proved that in the enantiodifferentiating