On the Coordination Properties of New Bicyclophosphite-Carbohydrates |
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| Authors: | Alexey A. Nazarov Mikhail P. Koroteev Christian G. Hartinger Bernhard K. Keppler Eduard E. Nifantev |
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| Affiliation: | (1) Chemistry Department, Moscow Pedagogical State University, 119021 Moscow, Russia;(2) Institute of Inorganic Chemistry, University of Vienna, A-1090 Vienna, Austria |
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| Abstract: | Summary. The coordination behavior of newly developed bicyclophosphite ligands toward Mo(0), Rh(I), and Pt(II) was studied.Reactions at different ratios of metal to ligand were done. It was found that the ligands act as monodentate ones and form with hexacarbonylmolybdenum(0) complexes with the general formula Mo(CO)5L by replacing only one carbonyl ligand. Coordination experiments toward acetylacetonatodicarbonylrhodium(I) resulted in the formation of undefined compounds. Toward dichlorocyclooctadienylplatinum(II) the monomeric phosphorus ligands act as monodentate ligands forming complexes of the general structure cis-PtCl2L2. All the synthesized platinum-complexes possess cis-configuration (proven by 31P NMR). The corresponding coordination compounds were isolated and characterized by elemental analyses and 1H, 13C, and 31P NMR. |
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| Keywords: | . Transition metal compounds NMR spectroscopy Phosphorus compounds Coordination behavior. |
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