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Heterogeneous Asymmetric Reactions 34. New Data in the Enantioselective Hydrogenation of Ethyl Pyruvate Catalyzed by Cinchona Alkaloid-Modified Pt/Al2O3in Toluene

✍ Scribed by Mihály Bartók; Katalin Balázsik; Tibor Bartók; Zoltán Kele


Book ID
110437480
Publisher
Springer US
Year
2003
Tongue
English
Weight
196 KB
Volume
87
Category
Article
ISSN
1011-372X

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New chiral modifiers in enantioselective
✍ A Solladié-Cavallo; C Marsol; F Garin 📂 Article 📅 2002 🏛 Elsevier Science 🌐 French ⚖ 64 KB

New chiral and enantiopure erythro and threo 1,2-amino-alcohols 4a and 4b have been shown to accelerate the heterogeneous catalytic hydrogenation of ethyl pyruvate as much as cinchonidine does (with 77-100% conversion within 2 h). A diastereo dependence of the enantioselectivity is clearly observed