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Citation: CHEN Li-Mei, YANG Jing-Mu, LIU Xia, JIANG Sheng-Xiang. Enantioseparation of Metal Clusters via Cellulose Tris(3,5-dimethylphenylcarbamate) Chiral Stationary Phase[J]. Chinese Journal of Applied Chemistry, ;2010, 27(3): 347-352. doi: 10.3724/SP.J.1095.2010.90299 shu

Enantioseparation of Metal Clusters via Cellulose Tris(3,5-dimethylphenylcarbamate) Chiral Stationary Phase

a. Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000;
b. State key laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000;
c. Graduate School of Chinese Academy of Sciences, Beijing

Received Date: 20 April 2009
Revised Date: 22 July 2009

Two carbonyl triruthenium metal clusters were separated with cellulose tris(3,5-dimethylphenyl-carbamate)(CDMPC) as chiral stationary phase.The effects of the optimal conditions were determined according to the effects of the mobile phase composition,the flow rate of the mobile phase and the solvents of the samples etc on the chiral separation of the metal clusters.The results show that good chiral separations of cluster 1 and cluster 2 were obtained,respectively,using the mobile phase with ethanol(V(hexane):V(ethanol)=95:5) and 2-propanol(V(hexane):V(2-propanol)=90:10).The solvents of the samples with similar composition to that of the mobile phase were beneficial to the chiral separation of the clusters.The structures of the metal-chelated ligand exerted an important influence on the retention and chiral separation of the metal clusters. The R_s of the clusters were above 1.5 under the optimal conditions.
- metal cluster,
- cellulose tris(dimethylphenylcarbamate),
- chiral separation,
- HPLC
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