Insulin-enhancing vanadium(III) complexes |
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Authors: | Melchior M Rettig S J Liboiron B D Thompson K H Yuen V G McNeill J H Orvig C |
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Institution: | Medicinal Inorganic Chemistry Group, Department of Chemistry and Faculty of Pharmaceutical Sciences, University of British Columbia, 2036 Main Mall, Vancouver, BC V6T 1Z1, Canada. |
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Abstract: | Simple, high-yield, large-scale syntheses of the V(III) complexes tris(maltolato)vanadium(III), V(ma)3, tris(ethylmaltolato)vanadium(III), V(ema)3, tris(kojato)vanadium(III) monohydrate, V(koj)3-H2O, and tris(1,2-dimethyl-3-hydroxy-4-pyridinonato)vanadium(III) dodecahydrate, V(dpp)3-12H2O, are described; the characterization of these complexes by various methods and, in the case of V(dpp)3-12H2O, by an X-ray crystal structure determination, is reported. The ability of these complexes to normalize glucose levels in the STZ-diabetic rat model has been examined and compared with that of the benchmark compound BMOV (bis(maltolato)oxovanadium(IV)), an established insulin-enhancing agent. |
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