New entry to pentamethylcyclopentadienyl iron chemistry and the methylene complexes [(η5-C5Me5)Fe(CO)(L)(CH2)]+(L = CO or PPh3)
- 1 January 1985
- journal article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 12,p. 835-837
- https://doi.org/10.1039/c39850000835
Abstract
Na[(η5-C5Me5)Fe(CO)2](1), a precursor of (η5C5Me5)Fe(CO)2(CH2OMe)(2), is conveniently obtained by Na-Hg reduction of [(η5-C5Me5)Fe(CO)2]2 overnight (20 °C), complex (2) yielding [(η5-C5Me5)Fe(CO)2(CH2PPh3)]BF4(3) upon acid treatment in the presence of PPh3 and converting styrene quantitatively into phenylcyclopropane upon reaction with Me3SiOSO2CF3 giving (η5-C5Me5)Fe(CO)2(OSO2CF3)(4); photolysis of (2)+ PPh3 produces (η5-C5Me5)Fe(CO)-(PPh3)(CH2OMe)(5) which upon acid treatment affords the methylene complex [(η5-C5Me5)Fe(CO)(PPh3)(CH2)]+(6).Keywords
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