The iminophosphinimide complexes [Ar(R)N]3M(NPNBut) (M = V, Nb) were prepared from the corresponding anionic nitride species ([Ar(R)N]3M identical to NNa)2 by way of a four-step synthetic strategy.
The reaction between O 2 and the dimer [Pd 2 (m-Br) 2 (PBu t 3 ) 2 ] leads to the formation of the novel dimeric compound [Pd(m-OCH 2 {CMe 2 }PBu t 2 )Br] 2 by coordination of O 2 to the original palladium dimer and further formation of two C-O bonds by intramolecular activation of C-H bonds.
A dramatic difference in behavior is observed for the dithiocarbamate and carbamate complexes [Ar(But)N]3V(NCE2)Na(THF)2(E = S or O, respectively), prepared from the corresponding nitride species ([Ar(But)N]3V identical to NNa)2 by way of a nucleophilic addition reaction involving carbon disulfide or dioxide, and is rationalized with the aid of DFT calculations.
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