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Inserting a Hydrogen‐Bond Relay between Proton Exchanging Sites in Proton‐Coupled Electron Transfers
Author(s) -
Costentin Cyrille,
Robert Marc,
Savéant JeanMichel,
Tard Cédric
Publication year - 2010
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.200907192
Subject(s) - proton coupled electron transfer , chemistry , proton , protonation , low barrier hydrogen bond , hydrogen bond , electron transfer , photochemistry , acceptor , hydrogen atom , molecule , chemical physics , group (periodic table) , ion , physics , organic chemistry , quantum mechanics , condensed matter physics
Take the “H‐bond” train : Introduction of a hydrogen‐bond relay efficiently mediates the electron‐transfer triggered exchange of protons between two sites over large distances (see picture). Thanks to this concerted proton–electron transfer mechanism, protonation of the relay group is avoided.