Synthesis, solution behaviour and molecular structures of 16-electron closo-2-(Ph3P)-1-N,2-[μ-(η-CH2CH=Ch2)]-1-N-(σ-CH2CH=CH2)-2,1- RhCB10H10, the first η-olefinic monocarbon metallacarborane |
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Authors: | Irina V. Pisareva Igot T. Chizhevsky Pavel V. Petrovskii Eugenii V. Vorontzov Vladimir I. Bregadze Fedor M. Dolgushin Aleksandr I. Yanovsky |
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Affiliation: | A.N. Nesmeyanov Institute of Oragnoelement Compounds, 28 Vavilov Street, 117813, Moscow, Russian Federation |
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Abstract: | The first η2-olefinic monocarbon metallacarbone closo-2-(Ph3P)-1-N,2-[μ-(η2-CH2CH=Ch2)]-1-N-(σ-CH2CH=CH2)-2,1- RhCB10H10 has been prepared by the reaction of the dimeric anion {[Ph3PRhB10H10CNH2]2-μ-H}−[PPN]+ with allyl bromide and characterized by a combination of spectroscopic methods and a single-crystal X-ray diffraction study. The variable temperature 1H and 13C NMR studies revealed the fluxional behavior of the η2-olefinic complex in CD2Cl2 solution which is associated with the allyl side-chain exchange process. |
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Keywords: | Crystal structures Rhodium complexes Carborane complexes Olefin complexes |
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