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revised on 23.04.2020 and posted on 24.04.2020by Vishwanath R.S, Masa-aki Haga, Takumi Watanabe, Emilia Witkowska Nery, Martin Jönsson-Niedziolka
Here we describe the
synthesis and electrochemical testing of a heteroleptic bis(tridentate) ruthenium(II) complex [RuII(LR)(L)]0
(LR =2,6-bis(1-(2-octyldodecan)benzimidazol-2-yl)pyridine, L = 2,6-bis(benzimidazolate)pyridine). It
is a neutral complex which undergoes a quasireversible oxidation and reduction
at relatively low potential. The newly synthetized compound was used for
studies of ion-transfer at the three-phase junction because of the sensitivity
of this method to cation expulsion. The [RuII(LR)(L)]0
shows exceptional stability during cycling and is sufficiently lipophilic even
after oxidation to persist in the organic phase also using very hydrophilic
anions such as Cl−. Given its low redox potential and strong
lipophilicity this compound will be of interest as an electron donor in