Organometallics p. 1891 - 1893 (1988)
Update date:2022-08-29
Topics:
Kulawiec, Robert J.
Crabtree, Robert H.
The new iodomethane complex [Cp(dppe)-Ru(IMe)](CF3SO3) (1a) is formed by a new synthetic route, the reaction between methyl trifluoromethanesulfonate and Cp(dppe)RuI (dppe = 1,2-bis(diphenylphosphino)ethane). The hexafluorophosphate salt 1b reacts with a wide range of nucleophiles, including enamines and lithium enolates, affording C-methylation products. In the first reported case of carbon-carbon bond formation via a halocarbon complex, complex 1 regioselectively methylates 1-(N-pyrrolidino)cyclohexene producing 2-methylcyclohexanone in good yield, after hydrolysis. We also report the synthesis of a new haloarene complex and its equilibration with free iodomethane.
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(1983)
