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Issue 5, 2004
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Molecular and supramolecular features of oxo-peroxovanadium complexes containing O3N, O2N2 and ON3 donor sets

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Abstract

The complexes [VO(O2)Hbpa]+ (1a), [VO(O2)bpa] (1b, Hbpa = bis(picolyl)-β-alanine), [VO(O2)heida] (2, H2heida = N-(2-hydroxyethyl)iminodiacetic acid), [VO(O2)(3OH-pic)2] (3a), [VO(O2)(3OH-pic)2]/[V(O2)2(3OH-pic)2] (3b, 3OH-pic = 3-hydroxypicolinic acid), [VO(O2)(3OH-pa)2] (6, 3OH-pa = 3-hydroxypicolylamide), [VO2(3OH-pic)2] (4), [VO(tBuO2)(3OH-pic)2] (5) and [VO(tBuO2)(3OH-pa)2]2+ (7) have been characterised. The structures of 21a[ClO41b·2.25H2O, K2·2H2O, [NH4]3a·H2O and [nBu4]3b are reported. Supramolecular patterns arise from intermolecular hydrogen bonds, the relevance of which for the peroxo/hydroperoxo intermediates in oxo transfer reactions catalysed by vanadate-dependent haloperoxidases is addressed. Specific solution patterns have been analysed by 51V and 17O NMR.

Graphical abstract: Molecular and supramolecular features of oxo-peroxovanadium complexes containing O3N, O2N2 and ON3 donor sets

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Article information


Submitted
25 Nov 2003
Accepted
19 Jan 2004
First published
10 Feb 2004

Dalton Trans., 2004, 839-846
Article type
Paper

Molecular and supramolecular features of oxo-peroxovanadium complexes containing O3N, O2N2 and ON3 donor sets

M. Časný and D. Rehder, Dalton Trans., 2004, 839
DOI: 10.1039/B315291J

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