Year 2005, Month 10 (Section Full Articles, Page 2343)
CoII and RhI complexes with C2-symmetric chiral diamines of the dioxolane series
L. O. Nindakova, N. N. Chipanina, V. K. Turchaninov, M. V. Ustinov, and B. A. Shainyan
The reaction of di-µ-chlorobis(1,5-cyclooctadiene)dirhodium with (4S,5S)-2,2-dimethyl-4,5-bis(methylaminomethyl)-1,3-dioxolane (1) gave the complex [Rh(cod)(1)]Cl (cod is 1,5-cyclooctadiene). The composition of the complexes CoCl2•L2 and [Rh(cod)(L2)]X
(L2 = 1, (4S,5S)-2,2-dimethyl-4,5-bis(aminomethyl)-1,3-dioxolane, and (4S,5S)-2,2-di-methyl-4,5-bis(dimethylaminomethyl)-1,3-dioxolane; X = Cl, TfO) was studied using IR and 1H NMR spectroscopy. In the RhI cyclooctadienediamine complexes, the diene molecule forms a stronger bond with the metal atom than that in the cyclooctadienediphosphine analogs.
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