Dipole bridge: Liquid‐crystalline (LC) triphenylenes (see picture) self‐assemblecolumnarly into a hexagonal geometry with a wide‐range 2Dlatticecorrelation, for which distal and proximal dipole–dipole interactions are considered responsible. By virtue of the strong intercolumnar interaction, the LC columns of the triphenylene can spontaneously align homeotropically on the 12 different substrates
You rang m′lord? Thermally induced successive ring openings of tris(alkoxytricyclobutabenzene) to hexaradialene are described. The isomerization reaction was highly stereoselective to afford a stereodefined hexaradialene 1, given that the hydroxy groups on the four‐membered rings were protected by bulky substituents.
Hexakis (methylidene)-cyclohexane (?[6]Radialene?). Chemical and spectral properties
作者:Peter Schiess、Markus Heitzmann
DOI:10.1002/hlca.19780610232
日期:1978.3.8
ne (2) leads to products formed through the loss of one, two and three molecules of HCl. The highly reactive chlorine free product is shown to be [6]radialene (1) both by its chemical reactions and by its spectralproperties.
Preparation of substituted triphenylenes <i>via</i> nickel-mediated Yamamoto coupling
作者:Zachary W. Schroeder、Joshua LeDrew、Vanessa M. Selmani、Kenneth E. Maly
DOI:10.1039/d1ra07931j
日期:——
for electron deficient triphenylenes. Here we demonstrate that the nickel-mediated Yamamoto coupling of o-dibromoarenes is a concise and efficient way to prepare substituted triphenylenes, including electron-deficient systems that are otherwise challenging to prepare. We also demonstrate the application of this approach to prepare electron deficient discotic mesogens composed of triphenylenes bearing