Impact of substitution pattern and chain length on the thermotropic properties of alkoxy-substituted triphenyl-tristriazolotriazines
Tristriazolotriazines (TTTs) with a threefold alkoxyphenyl substitution were prepared and studied by DSC, polarized optical microscopy (POM) and X-ray scattering. Six pentyloxy chains are sufficient to induce liquid-crystalline behavior in these star-shap
Synthesis of oligopyridinic scaffolds from amido substituted phenyl rings for extended hydrogen bonding
A series of phenanthroline, terpyridine and pyridino-oxazoline ligands combining a 4-methyl-3,5-diacylaminophenyl platform and two dialkoxyphenyl groups has been prepared by a linear multistep protocol. The synthetic potential of 4-methyl-3,5-(diacyl-amin
Pickaert, Guillaume,Ziessel, Raymond
p. 2716 - 2726
(2007/10/03)
Tuning organogels and mesophases will phenanthroline ligands and their copper complexes by inter- to intramolecular hydrogen bonds
A novel family of highly functionalized molecules consisting of a central 4-methyl-3,5-diacylaminobenzene platform linked in close proximity to the methyl group by two lateral aromatic rings each equipped with two long alkoxy chains has been rationally de
A convenient protocol for the synthesis of ligands from a 4-methyl-3,5-diacylaminophenyl platform
The synthesis of stable and highly organized phenanthroline, terpyridine, and pyridino-oxazoline ligands bearing one or two 4-methyl-3,5-diacylaminophenyl modules equipped with two lateral dialkoxyphenyl groups has been performed using EDC·HCl and DMAP reagents in the final coupling reaction. Evidently, in the final ligands and in the solid state intermolecular hydrogen bonding maintains the coherence of the tridimensional structure as clearly evidenced by FT-IR and X-ray diffraction spectroscopy in the cases of the methoxy ligands. The supramolecular packing is also maintained by additional π-π stacking interactions.
Pickaert, Guillaume,Cesario, Michele,Ziessel, Raymond
p. 5335 - 5341
(2007/10/03)
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