Issue 13, 1996
From the journal:

Journal of the Chemical Society, Dalton Transactions

Reactions of substituted hydrazines with vanadium(III) compounds: crystal structures of [NH2Me2]2[(VCl3)2(µ-NNMe2)3], [V(OC6H3Pri2-2,6)3(NH2NMe2)2] and [V(OC6H3Pri2-2,6)3(NH2NMePh)2]

Christine Le Floc'h,   Richard A. Henderson,   Peter B. Hitchcock,   David L. Hughes,   Zofia Janas,   Raymond L. Richards,   Piotr Sobota  and  Slawomir Szafert  

Abstract

Reaction of Me3SiNHNMe2 with [VCl3(PMePh2)2] or [VCl3(thf)3](thf = tetrahydrofuran) gave the triply hydrazide-bridged complex [NH2Me2]2[(VCl3)2(µ-NNMe2)3]1 the crystal structure of which has been determined. Cyclic voltammetry shows 1 to have E1/2ox= 0.30 V (reversible at –35 °C) and E2ox= 1.35 V (vs. ferrocene–ferrocenium). Cation exchange gave [PPh4]2[(VCl3)2(µ-NNMe2)3] and reaction with Li(SC6H2Pri3-2,4,6) gave [NH2Me2]2[{V(SC6H2Pri3-2,4,6)3}2(µ-NNMe2)2]. Treatment of [V(OC6H3Pri2-2,6)4Li(thf)] with NH2NMe2 gave the low-melting compound [V(OC6H3Pri2-2,6)3(NH2NMe2)2], shown by a structure determination to be essentially trigonal bipyramidal, with axial hydrazine ligands. The analogue [V(OC6H3Pri2-2,6)3(NH2NMePh)2] has also been prepared and shown to have a similar structure.

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Article information

DOI
https://doi.org/10.1039/DT9960002755
Article type
Paper

J. Chem. Soc., Dalton Trans., 1996, 2755-2762

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Reactions of substituted hydrazines with vanadium(III) compounds: crystal structures of [NH2Me2]2[(VCl3)2(µ-NNMe2)3], [V(OC6H3Pri2-2,6)3(NH2NMe2)2] and [V(OC6H3Pri2-2,6)3(NH2NMePh)2]

C. Le Floc'h, R. A. Henderson, P. B. Hitchcock, D. L. Hughes, Z. Janas, R. L. Richards, P. Sobota and S. Szafert, J. Chem. Soc., Dalton Trans., 1996, 2755 DOI: 10.1039/DT9960002755

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