191922-37-9Relevant academic research and scientific papers
Mechanistical studies on C-H activation reactions of benzaldimines using selectively deuterated ligands: Synthesis and crystal structures of [μ2-η3-(R)N-CH 2-C=C-C(H)=C(H)-C(H)=C(H)]Fe2(CO)6
Imhof, Wolfgang,Goebel, Angela,Ohlmann, Dietmar,Flemming, Joachim,Fritzsche, Hartmut
, p. 33 - 43 (2007/10/03)
The reaction of Fe2(CO)9 with imine ligands derived from benzaldehyde leads to the formation of dinuclear iron cluster compounds of the general formula [μ2-η3-N-CH 2-C=C-C(H)=C(H)-C(H)=C(H)]Fe2(CO)6 by a C-H activation/1,3-hydrogen shift reaction sequence. Six cluster compounds with alkyl and aryl substituents bound to nitrogen have been synthesised and characterised, five of them also by means of X-ray crystallography. The mechanism of the reaction has been investigated by the use of ligands being selectively deuterated in the 2-position. By several NMR experiments including deuterium spectra it can be demonstrated that the hydrogen/deuterium atom of the activated aromatic C-H bond is transferred to the former imine carbon atom producing a methylene group instead and that this reaction strictly follows an intramolecular pathway.
