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Restructuring during pretreatment of platinum/alumina for enantioselective hydrogenation

✍ Scribed by T. Mallat; S. Frauchiger; P.J. Kooyman; M. Schürch; A. Baiker

Book ID
110383820
Publisher
Springer US
Year
1999
Tongue
English
Weight
133 KB
Volume
63
Category
Article
ISSN
1011-372X

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✍ Matthias von Arx; Tamas Mallat; Alfons Baiker 📂 Article 📅 2001 🏛 John Wiley and Sons 🌐 English ⚖ 89 KB

Two competing reaction pathways, which lead to opposite enantiomers, occur in the hydrogenation of 1 over chirally modified platinum, as revealed by catalytic and NMR spectroscopic experiments: the fast reduction of the ketoform 1 a (minor species) and the slow hydrogenolysis of the hydrate 3 (major