Silver(I)-mediated isomerisation of trans-[RuCl2(P-P)2] (P-P=4-membered ring chelate diphosphine ligand) and its application in the syntheses of [RuCl(L)(P-P)2]+ (L=neutral ligand) |
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| Affiliation: | 1. Department of Animal Science, North Carolina State University, Raleigh 27695;2. Department of Statistics, North Carolina State University, Raleigh 27695;1. Department of Rehabilitation Medicine, University of Washington, Seattle, WA, United States;2. Department of Neurology, University of Washington, Seattle, WA, United States;5. Department of Clinical Psychology at Pacific University, Seattle, WA, United States |
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| Abstract: | Conversion of trans-RuCl2(P-P)2] (P-P=4-membered chelate diphosphine) to cis is facilitated by treatment with AgOTf or AgBF4 in 1,2-dichloroethane, which gives mixtures of Ru–Cl–Ag heterobimetallic complexes with cis stereochemistry at Ru(II), characterised by 31P{1H} and 1H NMR spectroscopy and by FAB mass spectrometry. Treatment of these mixtures with neutral ligands (CO, CH3CN) gives cis-RuCl(L)(P-P)2]+, whereas simultaneous treatment of trans-RuCl2(P-P)2] with L and Ag(I) salt gives trans-RuCl(L)(P-P)2]+. |
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