Kolbe Electrosynthesis of 1,2-Di(bicyclo[2.2.1]heptan-2-yl)ethane and 1,2-Diphenylethane

Abstract

Kolbe electrosynthesis, at low current densities, of 1,2-diphenylethane and 1,2-di(bicyclo[2.2.1]heptan-2-yl)ethane with 77 and 72% yields, respectively, is described.

Keywords:

• Dimerization
• Kolbe electrosynthesis
• oxidation
• radical reactions

ACKNOWLEDGMENTS

One of the authors (M. I.) gratefully acknowledges a GRICES PhD scholarship and INABE (Angola) for financial support.

Notes

^a Number of electrons involved per molecule of phenylacetic acid.

^b Total volume of electrolyte solution was 25 cm³.

^c Total volume of electrolyte solution was 50 cm³.

Note. η _m = [obtained mass of dimer (g) / theoretical mass of dimer (g)] × 100; η _c = [moles of product obtained by a charge c / theoretical moles of product obtained by a charge c] × 100.