Fig. 2: Initial mechanistic studies.
From: Enantioselective electroreductive alkyne-aldehyde coupling

a CV studies of the interaction of [Co(OAc)2/L1] with different proton sources. b Comparison of hydrogen current for [Co(OAc)2/L1] with different proton sources under a constant cathode potential at −1.6 V vs Ag/AgCl. c Effects of proton sources on electroreductive alkyne-aldehyde coupling; For details, see the Supplementary information.