Bent-core dimers with top-to-bottom linkage between central units

Horcic Martin; Svoboda Jiri; Novotna Vladimira; Pociecha Damian; Gorecka Ewa

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Bent-core dimers with top-to-bottom linkage between central units

机译：弯曲核心二聚体，中央单位之间的顶部到底部

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A structurally new type of core-to-core dimer with a top-to-bottom linkage between the central cores of bent molecules is presented. The structure of the bent-core molecules was modified by changing the length of the spacer between the central cores and terminal chains, by changing the type of linkage groups in the bent-core arms and by variation of the terminal chain polarity - introducing polyfluoroalkyl and oligosiloxane units. Additionally, the outer phenyl ring was substituted with three alkyl chains to mimic a polycatenar system. For all compounds the mesophase behaviour and structural parameters were established to gain information about the molecular structure-mesomorphic property relationship.

机译：提出了一种结构新型的芯 - 芯二聚体，其具有弯曲分子的中心核心之间的顶到底部连杆。通过改变弯曲芯臂中的连杆类型和末端链极性的变化，通过改变中心核和端子链之间的间隔物的长度来改变弯曲核心分子的结构。通过末端链极性的变化 - 引入多氟烷基和脱硅氧烷单位。另外，外苯环被三个烷基链取代以模拟多碳基系统。对于所有化合物，建立了中间相的行为和结构参数，以获得有关分子结构 - 中间形态的关系的信息。

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来源
《RSC Advances》 |2018年第41期|共12页
作者
Horcic Martin; Svoboda Jiri; Novotna Vladimira; Pociecha Damian; Gorecka Ewa;
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作者单位

Univ Chem &

Technol Dept Organ Chem CZ-16628 Prague 6 Czech Republic;

Univ Chem &

Technol Dept Organ Chem CZ-16628 Prague 6 Czech Republic;

Czech Acad Sci Inst Phys Slovance 2 CZ-18221 Prague 9 Czech Republic;

Warsaw Univ Dept Chem Lab Dielect &

Magnet Al Zwirki &

Wigury 101 PL-02089 Warsaw Poland;

Warsaw Univ Dept Chem Lab Dielect &

Magnet Al Zwirki &

Wigury 101 PL-02089 Warsaw Poland;

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正文语种 eng
中图分类化学;
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Bent-core dimers with top-to-bottom linkage between central units

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