Robuta

https://pubs.rsc.org/en/content/articlelanding/2014/cc/c4cc04578e Copper-catalyzed cyanation of disulfides by azobisisobutyronitrile leading to thiocyanates -... The copper-catalyzed cyanation of disulfides by azobisisobutyronitrile (AIBN) was developed, leading to thiocyanates in moderate to good yields. This procedure... copperdisulfidesazobisisobutyronitrileleading