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Beilstein J. Org. Chem. 2016, 12, 1812–1825, doi:10.3762/bjoc.12.171
Graphical Abstract
Scheme 1: Synthesis of 4′-azulenyl substituted terpyridines.
Figure 1: Molecular structure and numbering scheme of 4′-(1-azulenyl)-2,2′:6′,2″-terpyridine (4a, left) and 4...
Figure 2: Packing diagram for 4a showing the π–π stacking and CH–π interactions between the pyridine rings an...
Figure 3: Packing diagram for 4b showing the π–π stacking between the pyridine rings. Hydrogen atoms are omit...
Figure 4: Absorption spectra of the azulene-containing terpyridine, 4a and 4b in CH2Cl2 solution at room temp...
Figure 5: Emission spectra of the azulene-containing terpyridine, 4a and 4b in CH2Cl2 solution (2.59 × 10−5 M...
Figure 6: Selected Kohn–Sham orbitals and orbital energies for 4a and 4b, obtained with three different funct...
Figure 7: DPV-traces (with baseline correction) of 0.5 mM solutions of 4a (solid) and 4b (dash) in DMF, with ...
Figure 8: Absorption spectra of a 4.26 mM solution of 4a in methanol upon titration with an aqueous HgCl2 sol...
Figure 9: Absorption spectra of a 4.26 mM solution of 4a in methanol upon titration with CdCl2 aqueous soluti...