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  • Title: Structural characterization and self-association of (Arylimido)vanadium(V) triisopropoxides.
    Author: Moriuchi T, Ishino K, Beppu T, Nishina M, Hirao T.
    Journal: Inorg Chem; 2008 Sep 01; 47(17):7638-43. PubMed ID: 18681428.
    Abstract:
    (Arylimido)vanadium(V) triisopropoxides, [( p-RC 6H 4N)V(O (i) Pr) 3] (R = NMe 2, OMe, H, CN, NO 2, Br), were prepared by the reaction of VO(O (i) Pr) 3 with the aryl isocyanates without solvent. The structures of the (arylimido)vanadium(V) triisopropoxides were characterized by single-crystal X-ray structure determination to elucidate the substituent effect on the self-association properties. Controlled association of the (arylimido)vanadium(V) triisopropoxides to the mu-oxo-bridged dimer complexes or the mu-imido-bridged dinuclear complex was achieved by changing the p-substituent on the benzene rings, which regulates the nature of the imido bonds. Furthermore, the one-dimensional linear polymer complex or the one-dimensional zigzag one through mu-oxo-bridging was formed in a solid state with the bimetallic (arylimido)vanadium(V) complex, [( (i) PrO) 3V(N- p-C 6H 4N)V(O (i) Pr) 3] or [( (i) PrO) 3V(N- m-C 6H 4N)V(O (i) Pr) 3], respectively.
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