Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 22, Pages 3462-3466Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201402395
Keywords
Ruthenium; Click chemistry; Copper; Azides; Photodynamic therapy
Categories
Funding
- COST Action Prospect H2O [1202]
- Concert Japan Solarfuel Project
- Carl Zeiss Stiftung
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A new ligand and its luminescent polypyridyl-Ru-II complex were synthesized and characterized. Both provide two azide functionalities in their periphery, which are electronically separated from the -system of the 2,2-bipyridine ligands by a methylene group. This azide-functionalized ruthenium complex provides access to the formerly inaccessible substrate spectrum of alkynyl-functionalized coupling substrates by using the copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC). Test CuAAC reactions were performed on the ligand and directly on the Ru-II complex by using phenylacetylene as a model substrate, and relatively high yields of the products were obtained under mild conditions. Transformation of the azide into the triazole had only minor influences on the photophysical properties of the polypyridyl-ruthenium core.
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