title: Facile, Catalytic Dehydrocoupling of Phosphines Using β-Diketiminate Iron(II) Complexes.
abstract: Catalytic dehydrocoupling of primary and secondary phosphines has been achieved for the first time using an iron pre-catalyst. The reaction proceeds under mild reaction conditions and is successful with a range of diarylphosphines. A proton acceptor is not needed for the transformation to take place, but addition of 1-hexene does allow for turnover at 50 °C. The catalytic system developed also facilitates the dehydrocoupling of phenylphosphane and dicyclohexylphosphane. A change in solvent switches off dehydrocoupling to allow hydrophosphination of alkenes.
authors.affiliation: Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY (UK).
authors.forename: Andrew K
authors.initials: AK
authors.lastname: King
authors.affiliation: Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY (UK).
authors.forename: Antoine
authors.initials: A
authors.lastname: Buchard
authors.affiliation: Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY (UK).
authors.forename: Mary F
authors.initials: MF
authors.lastname: Mahon
authors.affiliation: Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY (UK). r.l.webster@bath.ac.uk.
authors.forename: Ruth L
authors.initials: RL
authors.lastname: Webster
keywords: homogeneous catalysis; iron; phosphanes; phosphorus; radicals