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2‐(1 H ‐1,2,3‐Triazol‐4‐yl)‐Pyridine Ligands as Alternatives to 2,2′‐Bipyridines in Ruthenium(II) Complexes
Author(s) -
Happ Bobby,
Friebe Christian,
Winter Andreas,
Hager Martin D.,
Hoogenboom Richard,
Schubert Ulrich S.
Publication year - 2009
Publication title -
chemistry – an asian journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.18
H-Index - 106
eISSN - 1861-471X
pISSN - 1861-4728
DOI - 10.1002/asia.200800297
Subject(s) - homoleptic , ruthenium , chemistry , denticity , pyridine , ligand (biochemistry) , click chemistry , combinatorial chemistry , electrochemistry , polymerization , polymer chemistry , polymer , stereochemistry , medicinal chemistry , organic chemistry , catalysis , crystal structure , electrode , biochemistry , receptor , metal
The synthesis of a variety of 2‐(1 H ‐1,2,3‐triazol‐4‐yl)‐pyridines by click chemistry is demonstrated to provide straightforward access to mono‐functionalized ligands. The ring‐opening polymerization of ε ‐caprolactone initiated by such a mono‐functionalized ligand highlights the synthetic potential of this class of bidentate ligands with respect to polymer chemistry or the attachment onto surfaces and nanoparticles. The coordination to Ru II ions results in homoleptic and heteroleptic complexes with the resultant photophysical and electrochemical properties strongly dependent on the number of these ligands attached to the Ru II core.