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Enantioselective hydrogenation of ethyl pyruvate catalyzed by PVP-stabilized rhodium nanoclusters

✍ Scribed by Yulin Huang; Junru Chen; Hua Chen; Ruixiang Li; Yaozhong Li; Li-e Min; Xianjun Li


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
157 KB
Volume
170
Category
Article
ISSN
1381-1169

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The enantioselective hydrogenation of ethyl pyruvate catalyzed by finely dispersed oxide supported rhodium nanocluster was studied with cinchonidine as chiral modifier. The results indicated that cinchonidine not only exhibited good enantiodifferentiating ability but also could accelerate the reacti

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The enantioselective hydrogenation of ethyl pyruvate in the presence of TS-1 supported rhodium nanoclusters and chiral modifier cinchonidine, cinchonine and quinine was investigated. The results showed that cinchonidine was the best modifier and THF was an excellent solvent for the reaction. Cinchon

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The cinchonidine-modified enantioselective hydrogenation of pyruvates has been studied over polyvinylpyrrolidone-stabilized platinum (PVP-Pt) and the corresponding alumina-supported platinum (AI203-Pt) clusters. It is shown that the catalysts with particle size less than 2.0 um demonstrate >90% enan