Abstract
The PPhNHPPh ligand of bis[(2-diphenylphosphino)ethyl]ammonium chloride was synthesized by the reaction of bis(2-chloroethyl)amine hydrochloride with potassium diphenylphosphide. This PPhNHPPh ligand can react with ferrous chloride to obtain a mononuclear iron complex [(η2-N,P-PPhNHPPh)2FeCl2]. Reaction of this complex with sodium triethylborohydride and iron chloride led to the formation of the [(η3-N,P,N-PPhNHPPh)· Fe(η2-N,P-PPhNHPPh)FeCl3] complex. [(η2-N,P-PPhNHPPh)2FeCl2] complex contains two PPhNHPPh ligands in which only N and P atoms coordinate to the iron center. One iron center of [(η3-N,P,N-PPhNHPPh)· Fe(η2-N,P-PPhNHPPh)FeCl3] is a five-coordinate structure, while the other iron center coordinates with the free phosphonium atom of the PPhNHPPh ligand.
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Zhao, X., Qi, W., Li, H. et al. Synthesis and Characterization of Aliphatic PPhNHPPh-Type Iron-Containing Complexes. Russ J Gen Chem 94, 711–718 (2024). https://doi.org/10.1134/S1070363224030228
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DOI: https://doi.org/10.1134/S1070363224030228