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Inversion of enantioselectivity in the hydrogenation of ketopantolactone on a Pt-β-ICN chiral catalyst

✍ Scribed by Mihály Bartók; Katalin Balázsik; Imre Bucsi; György Szöllősi


Book ID
113685874
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
307 KB
Volume
239
Category
Article
ISSN
0021-9517

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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