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The monobasic tridentate ONN donor ligand 1-(2-pyridylazo)-2-naphthol [Hpan (I)] reacts with [VIVO(acac)2] in dry methanol to yield the oxidovanadium(IV) complex [VIVO(acac)(pan)] (1). The dioxidovanadium(V) complex [{VVO(pan)}2(μ-O)2] (2) is obtained by aerial oxidation of 1 in methanol. Complex 2 can also be prepared directly by reacting [VIVO(acac)2] with I followed by aerial oxidation in methanol...
Three polymeric oxovanadium(IV) complexes: [CH 2 {VO(salen)}] n , [CH 2 {VO(sal-1,2-pn)}] n and [CH 2 {VO(sal-1,3-pn)}] n of the polymeric Schiff bases derived from 5,5′-methylenebis(salicylaldehyde) [CH 2 (Hsal) 2 ] and 1,2-diaminoethene (en), 1,2-diaminopropane (1,2-pn) or 1,3-diaminopropane (1,3-pn) have been isolated and characterised...
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