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A Ruthenium Pterin Complex Showing Proton‐Coupled Electron Transfer: Synthesis and Characterization
Author(s) -
Kojima Takahiko,
Sakamoto Taisuke,
Matsuda Yoshihisa,
Ohkubo Kei,
Fukuzumi Shunichi
Publication year - 2003
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200352111
Subject(s) - pterin , ruthenium , chemistry , redox , electron transfer , ligand (biochemistry) , proton , photochemistry , combinatorial chemistry , cofactor , inorganic chemistry , catalysis , organic chemistry , physics , biochemistry , receptor , quantum mechanics , enzyme
Coupled to coenzymes : Ruthenium( II ) complexes having a pterin as a ligand, which is a redox‐active heteroaromatic coenzyme, are synthesized and characterized to reveal that the complexes showed reversible proton‐dependent redox behavior (see scheme). The pterin ligand undergoes proton‐coupled electron transfer to form a ruthenium( II )‐coordinated monohydropterin radical upon one‐electron reduction.