Abstract
[Ru(η5-C5H5)(PH{CH2N(CH2CH2)2O}2)(PPh3)2]BF4 – unexpected formation of the first “piano-stool” ruthenium complex bearing a secondary aminomethylphosphane ligand.
Highlights
In this paper we report the reaction of [Ru(h5-C5H5)Cl(PPh3)2] with P{CH2N(CH2CH2)2O}3 in the presence of NaBF4, in which, apart from the ClÀ substitution, an unexpected P–C bond cleavage in the tertiary phosphane is observed
It results in the formation of [Ru(h5-C5H5)(PH{CH2N(CH2CH2)2O}2)(PPh3)2]BF4 (1) – the first “pianostool” ruthenium complex with a secondary aminomethylphosphane ligand
In our previous papers we presented a group of copper(I) complexes with tris(aminomethyl)phosphanes derived from morpholine (P{CH2N(CH2CH2)2O}3) or piperazine (P{CH2–N(CH2CH2)2N–R}3).[8]
Summary
Unexpected formation of [Ru(h5-C5H5)(PH{CH2N(CH2CH2)2O}2)(PPh3)2]BF4 – the first “piano-stool” ruthenium complex bearing a secondary aminomethylphosphane ligand† In this paper we report the reaction of [Ru(h5-C5H5)Cl(PPh3)2] with P{CH2N(CH2CH2)2O}3 in the presence of NaBF4, in which, apart from the ClÀ substitution, an unexpected P–C bond cleavage in the tertiary phosphane is observed. It results in the formation of [Ru(h5-C5H5)(PH{CH2N(CH2CH2)2O}2)(PPh3)2]BF4 (1) – the first “pianostool” ruthenium complex with a secondary aminomethylphosphane ligand.
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