Chloride substitution of [CpRu(dppf)Cl] with sulfur-containing ligands |
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| Authors: | Xiu Lian Lu TSAndy Hor |
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| Institution: | Department of Chemistry, National University of Singapore, 3 Science Drive 3, Kent Ridge, Singapore 117543, Singapore |
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| Abstract: | The reactions of CpRu(dppf)Cl (1) with the sulfur-containing ligands, thiophenol HSPh, 2-mercaptopyridine C5H4N(SH), thiourea SC(NH2)2, vinylene trithiocarbonate SCS(CH)2S and ethylene trithiocarbonate SCS(CH2)2S, yielded chloro-substituted derivatives, viz. the mono-ruthenium(II) complexes CpRu(dppf)(SPh) (2), CpRu(dppf)(SC5H4NH)]BPh4 (3)BPh4, CpRu(dppf)(SC(NH2)2]PF6 (4)PF6, CpRu(dppf)(SCS(CH)2S)]Cl (5)Cl and CpRu(dppf)(SCS(CH2)2S)]Cl (6)Cl, respectively. Treatment of 1 with AuCl(SMe2) in the presence of NH4PF6 gave (CpRu(dppf)(SMe2)]PF6 (7)PF6. The reaction of 1 or 6 with SnCl2 resulted in cleavage of chloro and dithiocarbonate ligands, respectively, to give CpRu(dppf)SnCl3 (8). All complexes were spectroscopically characterized and the structures of 2 and cationic complexes 4-7 were determined by single-crystal diffraction analyses. |
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| Keywords: | Ruthenium 1 1&prime -Bis(diphenylphosphino)ferrocene Sulfur-containing ligands Cyclopentadienyl Crystal structures |
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