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Issue 44, 2017
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Rational design and synthesis of a novel laterally-tetrafluorinated tricyclic mesogen with large negative dielectric anisotropy

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Abstract

Guided by theoretical calculations, we predicted that 5,5,6,6-tetrafluoro-1-methoxycyclohex-1-ene, a new structural motif, exhibits a large negative dielectric anisotropy, and then developed a synthetic strategy for the preparation of the novel tetrafluorinated tricyclic mesogen in twelve reaction steps starting from a commercially available fluorinated starting material. During the evaluation of its liquid-crystalline characteristics, the tetrafluorinated mesogen was found to display low birefringence and a large negative dielectric anisotropy, confirming that its molecular structure is a reasonable design for the further development of novel mesogenic molecules with large negative dielectric anisotropies.

Graphical abstract: Rational design and synthesis of a novel laterally-tetrafluorinated tricyclic mesogen with large negative dielectric anisotropy

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Publication details

The article was received on 26 Sep 2017, accepted on 21 Oct 2017 and first published on 02 Nov 2017


Article type: Paper
DOI: 10.1039/C7OB02399E
Citation: Org. Biomol. Chem., 2017,15, 9442-9454
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    Rational design and synthesis of a novel laterally-tetrafluorinated tricyclic mesogen with large negative dielectric anisotropy

    S. Yamada, K. Tamamoto, T. Kida, T. Asai, T. Ishihara and T. Konno, Org. Biomol. Chem., 2017, 15, 9442
    DOI: 10.1039/C7OB02399E

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