Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 3 of 3 for “"Triphenylenes"”.
-
The design, synthesis and mesomorphic properties of discotic liquid crystals
… methods for the generation of hexasubstituted triphenylenes. These investigations have revealed that careful control over reaction conditions can offer great selectivity in the synthesis of halogenated intermediates for the synthesis of triphenylene-based liquid crystals and that electron rich …
-
Reactions of quinones with aromatic ethers.
… and a summary of the methods used for preparing triphenylenes is outlined. Mono- and di-arylquinones have been prepared by the arylation of benzoquinones with diazotised 3,4-dimethoxyaniline (Meerwein reaction). The structures of the arylquinones are determined spectroscopically and by conversion …
-
FTIR and X-ray investigation of triphenylene based discotic liquid crystals.
… Unsymmetrical compounds based on hexa-n-alkoxy triphenylenes were also examined. A number of techniques were employed to observe and measure the physical properties of these compounds. Polarising optical microscopy was used to observe and record the phase behaviour. Typical schlieren nematic …