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Beilstein J. Org. Chem. 2015, 11, 1379–1391, doi:10.3762/bjoc.11.149
Graphical Abstract
Scheme 1: Multifunctional TTF-appended azine ligands.
Scheme 2: Synthetic scheme for TTF-based azine ligands L1 and L2.
Figure 1: Crystal structure of ligand L1 with atom numbering scheme (top) and a side view of the molecule (bo...
Figure 2: Partial crystal packing of ligand L1 with formation of head to tail dimers that stack along a-axis ...
Figure 3: Packing diagram of L1 showing the orientation of the columns of head to tail dimers.
Figure 4: UV–visible absorption spectra of ligands L1 and L2 (c 2.5 × 10−5 M in (dichloromethane/acetonitrile...
Figure 5: HOMO–LUMO Frontier orbitals representation for ligands L1 and L2.
Figure 6: Cyclic voltammograms of ligands L1 and L2 (2 × 10−5 M) in CH2Cl2/CH3CN (9:1, v/v) at 100 mV·s−1 on ...
Figure 7: UV–visible spectral changes of ligand L2 (2 × 10−5 M in CH2Cl2/CH3CN, 9/1) upon addition of TBAF.
Figure 8: 1H NMR spectra of ligand L2 (4·10−3 M in DMSO-d6) upon addition of successive aliquots of TBAF (DMS...
Figure 9: Crystal structure of complex 3 with atom numbering scheme (top) and a side view of the molecule (bo...
Figure 10: Pattern of intramolecular and intermolecular contacts in 3. Two molecules are linked by pairs of st...
Figure 11: Layered structure of complex 3 viewed along the a-axis. The dimers are linked together through hydr...
Beilstein J. Org. Chem. 2015, 11, 966–971, doi:10.3762/bjoc.11.108
Scheme 1: Synthesis of ligand L1, self-assemblies M4L2 and M6L3.
Figure 1: X-ray crystal structures of: (a) ligand L1, (b) self-assembly M4L2. For clarity, H atoms and TfO− c...
Figure 2: 1H NMR, downfield region (α and β signals correspond respectively to α and β pyridyl protons): (a) ...
Figure 3: X-ray crystal structure of self-assembly M6L3. For clarity, H atoms and TfO− counteranions have bee...
Figure 4: Geometry (from XRD) around two Pd centers in M4L2 (a) and M6L3 (b). The exTTF moieties have been cu...
Figure 5: Cyclic voltammogram of L1 (c = 10−3 M, CH3CN/CH2Cl2 (v/v 50/50), 0.1 M n-Bu4NPF6, 100 mV·s−1, Pt), M...