The authors regret the missing information in Section 2.2, the corrected version is as follows: 2.2 A procedure for two-phase electrolysis at constant current (CCE) An alkene substrate (1.15 mmol) was dissolved in 10 ml dichloromethane (DCM) and added to 10 ml 0.5 N H2SO4 (in double-distilled water, DDW) solution that contained 20 mmoles of NH4SCN, in an undivided cell (3 cm in diameter). The stirred mixture of the two solvents was immersed in an ice bath and electrolysed by a set of a Pt working electrode and carbon rod as a counter electrode that were attached together (but with no physical contact between them) by a Teflon strip. The current density was 30 mA cm−2, and the electrolysis was terminated after a charge consumption of 4 F/mol of substrate (460 Coul). Then the two phases were separated, and the aqueous phase was washed with DCM and combined with the organic phase. The reaction mixture was stirred overnight at room temperature for the completion of the reaction. Crude products were washed with 50 ml of water, dried over magnesium sulphate powder, and filtered. The products were separated by preparative silica gel plate, using solvent mixtures of 20% ethyl acetate or acetone in hexane.