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Beilstein J. Org. Chem. 2013, 9, 2852–2861, doi:10.3762/bjoc.9.321
Graphical Abstract
Scheme 1: Synthesis of star-shaped triphenylene discotic liquid crystalline trimer 4.
Scheme 2: Synthesis of star-shaped triphenylene discotic liquid crystalline trimers 5a–c.
Figure 1: Optical photomicrographs of the triphenylene DLC monomers. (A) 2 at 40 °C; (B) 3a at 45 °C; (C) 3b ...
Figure 2: Optical photomicrographs of the triphenylene DLC trimers. (A) 4 at 70 °C; (B) 5b at 85 °C; (C) 5c a...
Figure 3: The DSC traces of the triphenylene DLC monomers and trimers. (A) 2nd heating traces; (B) 1st coolin...
Figure 4: Powder X-ray diffraction patterns of the DLC trimmers 4, 5b and 5c at room temperature.
Figure 5: X-ray diffraction profiles of 4 at different temperatures.
Beilstein J. Org. Chem. 2009, 5, No. 53, doi:10.3762/bjoc.5.53
Scheme 1: Identification of optimal chiral ligand for iridium-catalyzed asymmetric ring-opening of oxabenzono...
Figure 1: ORTEP plot for 3f.
Scheme 2: Proposed mechanism for the ARO of oxabenzonorbornadiene 1a with secondary amine nucleophiles.