Abstract
Monomeric UO 2+2 , CrIII, COII, NiII and CuII complexes with primary cellulose acetate (PCA) have been prepared and characterized. Infrared,1H NMR, UV/visible spectroscopy, elemental analysis, therniogravimetry, conductance and magnetic measurements were used to assign the mode of coordination in the isolated species. The investigation revealed that PCA exhibits octahedral coordination with CrIII, CoII, NiII and a square planar form with CuII whereas the UO2 moiety is virtually linear. PCA acts as a neutral bidentate chelating agent via the two oxygen atoms of the vicinal ester groups in the secondary positions forming a five-membered chelate ring. A comparative study between chelates of PCA and those previously prepared with secondary cellulose acetate (SCA) has been undertaken.
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Abdel-Hadi, A.K. Monomeric dioxouranium(VI), chromium(III), cobalt(II), nickel(II) and copper(II) complexes with primary cellulose acetate (PCA). Cellulose 2, 235–241 (1995). https://doi.org/10.1007/BF00811815
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DOI: https://doi.org/10.1007/BF00811815