Ligand exchange reactions of FeI(C4F9)(CO)4

CHED 1186

Danielle J. Crouthers, dcrouthe@centenary.edu and Joshua D. Lawrence, jlawrenc@centenary.edu. Department of Chemistry, Centenary College of Louisiana, 2911 Centenary College of Louisiana, Shreveport, LA 71104
FeI(C4F9)(CO)4 undergoes ligand exchange reactions to give mono- and disubstituted products. Although FeI(C4F9)(CO)4 reacts with PPh3 slowly at elevated temperature to give FeI(C4F9)(PPh3)(CO)3, FeI(C4F9)(CO)4 reacts rapidly at room temperature with pyridine, bipyridine, phenanthroline, and bis(diphenylphophino)ethane to give FeI(C4F9)(pyr)2(CO)2, FeI(C4F9)(bipy)(CO)2, FeI(C4F9)(phen)(CO)2, and FeI(C4F9)(bipy)(CO)2, respectively. The structures of these compounds were confirmed by IR spectroscopy, 1H, 13C, 19F, and 31P (where applicable) NMR spectroscopy, and X-ray crystallography. In contrast to the parent FeI(C4F9)(CO)4, treatment of the substituted compounds with AgO2CCF3 in benzene gave little or no perfluorobutylbenzene.
 

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