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|Title:||High-performance liquid chromatography of the coordination isomers of triphenylphosphine-substituted homo- and hetero-bimetallic carbonyl complexes of manganese and rhenium|
|Citation:||Li, C.-H., Hor, T.S.A., Lee, H.K. (1996-08-02). High-performance liquid chromatography of the coordination isomers of triphenylphosphine-substituted homo- and hetero-bimetallic carbonyl complexes of manganese and rhenium. Journal of Chromatography A 740 (2) : 231-236. ScholarBank@NUS Repository. https://doi.org/10.1016/0021-9673(96)00118-5|
|Abstract:||The isocratic normal-phase high-performance liquid chromatography of a series of triphenylphosphine (PPh3)-substituted homo- and hetero-dinuclear metal carbonyl complexes [MM'(CO)(10-n)(PPh3)(n), where M, M'= Mn, Re; n = 1, 2] is reported. A column packed with silica bonded with phenyl groups was used after preliminary experiments showed that columns packed with conventional silica, and with silica bonded with amion-cyano groups were unsatisfactory for separation. The mobile phases used were hexane-toluene (98:2) and hexane-dichloromethane (90:10). The results suggest that besides the symmetry-imposed polarity of the complexes, the nature of the metal and substituent ligand also determine their retention characteristics.|
|Source Title:||Journal of Chromatography A|
|Appears in Collections:||Staff Publications|
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