Journal
CHEMISTRY LETTERS
Volume -, Issue 10, Pages 978-979Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2001.978
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The g-values of ESR spectra of superoxide (O-2(.-)) complexes with various organotin compounds acting as Lewis acids were determined in acetonitrile at 143 K. The binding energies (DeltaE) in the complexes between organotins and O-2(.-) have been evaluated from deviation of the g(zz)-values from the free spin value. The DeltaE values are well correlated with the catalytic reactivity of organotins as well as a series of metal ions acting as Lewis acids to promote electron transfer from cobalt(II) tetraphenylporphyrin to O-2, which would not occur in the absence of Lewis acids under otherwise the same experimental conditions.
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