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1 article(s) from Wang, Bi-Qin

Triphenylene discotic liquid crystal trimers synthesized by Co₂(CO)₈-catalyzed terminal alkyne [2 + 2 + 2] cycloaddition

Bin Han,
Ping Hu,
Bi-Qin Wang,
Carl Redshaw and
Ke-Qing Zhao

Beilstein J. Org. Chem. 2013, 9, 2852–2861, doi:10.3762/bjoc.9.321

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Scheme 1: Synthesis of star-shaped triphenylene discotic liquid crystalline trimer 4.

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Scheme 2: Synthesis of star-shaped triphenylene discotic liquid crystalline trimers 5a–c.

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Figure 1: Optical photomicrographs of the triphenylene DLC monomers. (A) 2 at 40 °C; (B) 3a at 45 °C; (C) 3b ...

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Figure 2: Optical photomicrographs of the triphenylene DLC trimers. (A) 4 at 70 °C; (B) 5b at 85 °C; (C) 5c a...

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Figure 3: The DSC traces of the triphenylene DLC monomers and trimers. (A) 2nd heating traces; (B) 1st coolin...

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Figure 4: Powder X-ray diffraction patterns of the DLC trimmers 4, 5b and 5c at room temperature.

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Figure 5: X-ray diffraction profiles of 4 at different temperatures.

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Published 11 Dec 2013

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Triphenylene discotic liquid crystal trimers synthesized by Co2(CO)8-catalyzed terminal alkyne [2 + 2 + 2] cycloaddition

Triphenylene discotic liquid crystal trimers synthesized by Co₂(CO)₈-catalyzed terminal alkyne [2 + 2 + 2] cycloaddition