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| Synthesis and crystal structure characterization of yttrium imido complex: The reactivity of 2-substituted-1-amino-o-carborane with yttrium dialkyl complex |
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| Abstract: 2-substituted-1-amino-o-carboranes 2-R-1-NH2-o-C2B10H10 (R=CH3, 1a; R=Ph, 1b) were synthesized and the reactions of these compounds with the yttrium dialkyl complex[Y(L)(CH2SiMe3)2] (L=[2-(2,5-Me2C4H2N)C6H4NC (Ph)=NDipp]-, Dipp=2,6-iPr2C6H3) were investigated. The 1H NMR spectroscopy indicate that the reaction of ytrrium dialkyl complex with one equivalent of 2-R-1-NH2-o-C2B10H10 produce the mixture of ytrrium alkyl-amido complex[Y(L)(2-R-1-NH-o-C2B10H10)(CH2SiMe3)] (R=CH3, 2a; R=Ph, 2b) and bis(amido) complex[Y(L)(2-R-1-NH-o-C2B10H10)2] (R=CH3, 3a; R=Ph, 3b). The yttrium bridging imido complex[Y(L)(2-CH3-1-N-o-C2B10H10)]2 (4a) was obtained by heating the mixture at 55℃ for 12 h. Complex 3a was isolated and characterized by treating the yttrium dialkyl complex with two equivalents of 1a. The structures of complexes 3a and 4a were verified by single-crystal X- ray diffraction. |
| Keywords: yttrium imide o‐carborane synthesis structure characterization |
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| GUO Liping.Synthesis and crystal structure characterization of yttrium imido complex: The reactivity of 2-substituted-1-amino-o-carborane with yttrium dialkyl complex[J].Chinese Journal of Inorganic Chemistry,2025,41(7):1409-1415. |
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