title: Electrocatalytic water oxidation by Cu(II) complexes with branched peptides.
abstract: Two mononuclear Cu(II) complexes with tetrapeptides incorporating a L-2,3-diaminopropionic acid (dap) branching unit are reported to undergo PCET and catalyse water oxidation. C-terminal His extension of dap (L = 2GH) instead of Gly (L = 3G) lowers the pKa for Cu(III)H-2L (9.36 vs. 9.98) and improves the TOF at pH 11 (53 vs. 24 s(-1)).
authors.affiliation: Centre for Energy Research, Surface Chemistry and Catalysis Department, P.O. Box 49, H-1525 Budapest 114, Hungary. pap.jozsef@energia.mta.hu.
authors.forename: József S
authors.initials: JS
authors.lastname: Pap
authors.forename: Łukasz
authors.initials: Ł
authors.lastname: Szyrwiel
authors.forename: Dávid
authors.initials: D
authors.lastname: Srankó
authors.forename: Zsolt
authors.initials: Z
authors.lastname: Kerner
authors.forename: Bartosz
authors.initials: B
authors.lastname: Setner
authors.forename: Zbigniew
authors.initials: Z
authors.lastname: Szewczuk
authors.forename: Wiesław
authors.initials: W
authors.lastname: Malinka
mesh_terms: D002384:Catalysis; D003300:Copper / Q000737:chemistry*; D004563:Electrochemistry; D009942:Organometallic Compounds / Q000737:chemistry*; D010084:Oxidation-Reduction; D010455:Peptides / Q000737:chemistry*; D014867:Water / Q000737:chemistry*
chemical_list: D009942:Organometallic Compounds; D010455:Peptides; D014867:Water; D003300:Copper