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Beilstein J. Org. Chem. 2012, 8, 379–389, doi:10.3762/bjoc.8.41
Graphical Abstract
Figure 1: Structure and atomic numbering of 2,2’:6’,2’’-terpyridines.
Scheme 1: Synthesis of furanyl-substituted terpyridines 12–14 by using Kröhnke’s method.
Scheme 2: Synthesis of terpyridines under solvent-free conditions.
Scheme 3: Preparation of 4,4′,4′′-trisubstituted terpyridine containing carboxylate moieties.
Scheme 4: Synthetic pathway for the preparation of a furanyl-functionalised quinquepyridine.
Scheme 5: Utilization of an iminium salt in the preparation of a furanyl-substituted tpy.
Figure 2: Chemical structure of U- and S-shaped isomers.
Scheme 6: Preparation of an asymmetric furanyl-substituted terpyridine.
Scheme 7: Synthesis of tpy by Stille cross-coupling reaction.
Scheme 8: Oxidation of the furan ring of furanyl-substituted terpyridines.
Scheme 9: Direct oxidation of a furan ring attached on Ru(II) tpy complexes.
Figure 3: Example of polyoxometalate frameworks functionalised with tpy ligands and tpy-complex (reprinted wi...
Scheme 10: Synthetic pathway to europium(III) and samarium(III) chelates 56 and 57.
Scheme 11: Synthetic pathway to prepare thiocyanato-functionalised tpys as potential biomolecule-labelling age...
Scheme 12: Synthetic sequence envisioned for biomolecules labelling by click-chemistry.
Figure 4: Structure of pyrrolyl (66), thienyl (67) and bithienyl (68)-substituted complexes analogous to comp...