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Electrochemical Oxidation of Some Metal Carbonyls in Ambient Temperature Ionic Liquids.

机译:环境温度离子液体中某些金属羰基化合物的电化学氧化。

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The electrochemical oxidation of Cr(C0)6, W(C0)6 and Fe(C0)5 was studied in the AlCl3:N(1-butyl)pyridinium chloride (BuPyCl) molten salt at 40 C. In the 1:1 to 2:1 mole ratio of AlCl3/BuPyClk,Cr(C0)6 was found to be reversibly oxidized forming stable Cr(C0)+6. Further oxidation of Cr(C0)(6)+ generated Cr(C0)6 (3+) which was not stable. Iron pentacarbonyl and tungsten hexacarbonyl in 1:1 to 2:1 melts each showed a single oxidation with some stability of their cations. Fe(C0)(5)+ was more stable than W(CO)6(2+). In the melt of <1:1 mole ratio no evidence was found for the formation of stable Fe(C0)(5)+.

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