Mono-Substitution of iron pentacarbonyl catalyzed by polynuclear iron carbonyl anions |
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| Authors: | Susan Beda Butts DF Shriver |
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| Institution: | Department of Chemistry, Northwestern University, Evanston, Illinois 60201 U.S.A. |
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| Abstract: | The specific formation of LFe(CO)4 (L = PPh3, P(OPh)3, P(OMe)3 can be achieved by the reaction of Fe(CO)5 with L in the presence of a catalytic amount of iron carbonyl anion. A convenient synthetic procedure was developed in which the iron carbonyl anion catalyst is generated in situ. It is shown that the mechanism does not proceed by the simple cleavage of the Fe2(CO)82? or Fe3(CO)112? anions, because triphenylphosphine reacts with these anions in the absence of Fe(CO)5 to produce (PPh3)2Fe(CO)3. |
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