Chiral induction in the reduction of [Co(glyO)(ox)2]2– by [Co(phen)3]2+(glyO = glycinate, ox = oxalate, phen = 1,10-phenanthroline)
Abstract
Oxidation of [Co(phen)3]2+(phen = 1,10-phenanthroline) by [Co(glyO)(ox)2]2–(glyO = glycinate, ox = oxalate) has been found to be an outer-sphere reaction with a second-order rate constant of 0.14 dm3 mol–1 s–1 at 25 °C and 0.01 mol dm–3 ionic strength. Chiral induction amounting to a 37% enantiomeric excess of the Δ isomer in the [Co(phen)3]3+ product was detected when Δ-[Co(glyO)(ox)2]2– was used as oxidant.
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