Competition between ODD- and Even-Electron Processes
The competition between odd- and even-electron processes has been generally recognized in chemistry for many years. One of our earlier interests in this area arose in the study of the reactions of the superoxide radical anion.
KeywordsAlkyl Halide Superoxide Radical Anion Solvent Cage Potassium Compound Stereochemical Consequence
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- 5. (a)
- (b).It is, of course, well known that the degree of association of organolithium reagents is strongly solvent dependent: the presence of basic solvents in an organolithium reagent solution generally predisposes the aggregate toward dissociation into smaller and presumably better solvated fragments (cf. Panek, E.J. and Whitesides, G.M., J. Am. Chem. Soc., 1972, 94, 8768).Google Scholar
- 8. (a)
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- 11.The normalized yields of 5 and 6 (Table I) are, respectively, 88% and 12% (see ref 10) ~Since-50% of the total yield of coupling product (i.e. 5 + 6) must occur (according to ref 10) within the same solvent cage as the rate-limiting electron-transfer step, it follows (assuming all or less than all of trimethyl (2-octyl) tin is also derived in this initial solvent cage) that a minimum of (50–12)/88 or 33% of trimethyl (2-octyl) tin must also be formed in this initial solvent cage.Google Scholar