Facile synthesis of new polyolefinic ruthenium(0) complexes from ruthenium(II) precursors |
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| Institution: | 1. Sivas Cumhuriyet University Yıldızeli Vocational School, Department of Chemistry and Chemical Processing Technologies, 58140 Sivas, Turkey;2. Department of Chemistry, Faculty of Science, Sivas Cumhuriyet University, 58140 Sivas, Turkey;3. Sivas Cumhuriyet University Advanced Research and Application Center (CUTAM), 58140 Sivas, Turkey |
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| Abstract: | The new ruthenium(II) complex (C8H10)RuCl2]n (1) (C8H10 = 1,3,5-cyclooctatriene; n ⩾ 2) has been obtained from the reaction of RuCl3·xH2O with 1,3,5,7-cyclooctatetraene in refluxing ethanol. Reduction of (C8H10)RuCl2]n and (C7H8)RuCl2]2 (2) (C7H8 = 1,3,5-cyclooctatriene) by Na/Hg amalgam in the presence of isoprene (C5H8) gives the novel ruthenium(O) complexes (η6-C8H10)Ru(η4-C5H8)] (3) and (η6-C7H8)Ru(η4-C5H8)] (4). (η6-C7H8Ru(η4-C5H8)] reacts with CO and HBF4 to give (η6-C7H8)Ru(η3-C5H9)(CO)]BF4] (C5H9 = trans-1,2-dimethylallyl (5a); 1,1-dimethylallyl (5b)). |
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