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Combined Oxidation, Deprotonation, and Metal Coordination of a Redox‐Active Guanidine Ligand
Author(s) -
Wild Ute,
Kaifer Elisabeth,
Wadepohl Hubert,
Himmel HansJörg
Publication year - 2015
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201500597
Subject(s) - chemistry , deprotonation , redox , coordination complex , ligand (biochemistry) , electron transfer , guanidine , metal , photochemistry , reaction mechanism , benzene , medicinal chemistry , inorganic chemistry , organic chemistry , catalysis , ion , biochemistry , receptor
Guanidino‐functionalized aromatic compounds (GFAs) are strong organic electron donors and redox‐active ligands. The diversity of GFA chemistry results from reaction sequences that are triggered by their oxidation. This work reports on reactions of a new GFA compound, namely, 1,2,4,5‐tetrakis( N , N′ ‐dicyclohexylguanidino)benzene, with transition metals, and analyzes the interplay between GFA oxidation, coordination, and hydrogen‐bond formation up to deprotonation. The reaction of the new GFA with [{PdCl(C 3 H 5 )} 2 ] led to coordination and a coupled proton‐ and electron‐transfer reaction.