Electrochemistry of substituted salen complexes of nickel(II): Nickel(I)-catalyzed reduction of alkyl and acetylenic halides - Foley, Matthew P.; Du, Peng; Griffith, Kent J.; Karty, Jonathan A.; Mubarak, Mohammad S.; Raghavachari, Krishnan; Peters, Dennis G. (Journal of Electroanalytical Chemistry, 2010)