Mechanism of arene exchange by phosphines and phosphites in the 19 electron complexes [FeICp(arene)], Cp =η5-C5H5, arene = C6H6 –nMen(n= 0,1)
Abstract
A low temperature spectroscopic study of the facile arene exchange by phosphines and phosphites in the air-sensitive 19 electron complexes [FeICp(η6-arene)], (Cp = cyclopentadienyl, η5-C5H5), shows an associative pathway in the rate limiting step, which suggests a fast pre-equilibrium generating a 17 electron species.
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