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Heterogeneous Enantioselective Hydrogenation of Ethyl Pyruvate Catalyzed by Cinchona-Modified Pt Catalysts: Effect of Modifier Structure

✍ Scribed by Blaser, H. U.; Jalett, H. P.; Lottenbach, W.; Studer, M.

Book ID
126435962
Publisher
American Chemical Society
Year
2000
Tongue
English
Weight
106 KB
Volume
122
Category
Article
ISSN
0002-7863

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Enantioselective synthesis of ethyl nipe
Enantioselective synthesis of ethyl nipecotinate using cinchona modified heterogeneous catalysts
✍ H.-U Blaser; H HΓΆnig; M Studer; C Wedemeyer-Exl πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 English βš– 81 KB

Ethyl nicotinate was hydrogenated to ethyl nipecotinate in two steps. In the first step, the starting material was converted to the 1,4,5,6-tetrahydro derivative with PdrC and hydrogen in 76% yield. The hydrogenation of this intermediate was investigated with both unmodified and 10,11-dihydrocinchon