Alkyl and aryl migration from carbon monoxide to platinum promoted by silver ion
Abstract
Abstraction of chloride with AgPF6 from Pt(PPh3)2Cl(RCO)(R = Me, Ph, p-MeC6H4, p-MeOC6H4, or p-O2NC6H4) in ethanol leads to migration of R from carbon monoxide to platinum to form cationic platinum carbonyl complexes, [Pt(PPh3)2(CO)R]+. Silver ion abstraction of chloride from Pt(PPh3)2Cl(RCO) in acetonitrile leads to isolation of [Pt(PPh3)2(RCO)(MeCN)]+. Migration of R was not observed for these nitrile solvated complexes, but was observed in similar acetone solvated complexes.
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