Mesomorphic property of 2,5-dibenzoyloxy-, 5-benzoylamino-2-benzoyloxy-, and 2,5-dibenzoylaminotropones with mono-, di-, and tri-alkoxyl groups on the benzoyl groups and their benzenoid derivatives

Mori A.; Itoh T.; Taya H.; Kubo K.; Ujiie S.; Baumeister U.; Diele S.; Tschierske C.

首页> 外文期刊>Liquid Crystals: An International Journal in the Field of Anisotropic Fluids >Mesomorphic property of 2,5-dibenzoyloxy-, 5-benzoylamino-2-benzoyloxy-, and 2,5-dibenzoylaminotropones with mono-, di-, and tri-alkoxyl groups on the benzoyl groups and their benzenoid derivatives

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Mesomorphic property of 2,5-dibenzoyloxy-, 5-benzoylamino-2-benzoyloxy-, and 2,5-dibenzoylaminotropones with mono-, di-, and tri-alkoxyl groups on the benzoyl groups and their benzenoid derivatives

机译：具有在苯甲酰基上的单，二和三烷氧基的2,5-二苯甲酰氧基，5-苯甲酰氨基-2-苯甲酰氧基和2,5-二苯甲酰氨基tropones和它们的苯系衍生物的介晶性质

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摘要

Mesomorphic properties of three-ring systems such as 2,5-dibenzoyloxytropones, 5-benzoylamino-2-benzoyloxytropones and 2,5-dibenzoylaminotropones with 4-alkoxy, 3,4-dialkoxy, and 3,4,5-trialkoxy groups on the benzoyl groups were investigated together with those of the corresponding benzenoids. Derivatives with two monoalkoxybenzoyl groups showed nematic and smectic A and C phases. Troponoid tetracatenars with two dialkoxybenzoyl groups had hexagonal columnar phases except for troponoids with two ester-connecting groups, whereas the corresponding benzenoids with two dialkoxybenzoyl groups were non-mesomorphic. All troponoid hexacatenars with two trialkoxybenzoyl groups formed hexagonal columnar phases. With the exception of benzenoid hexacatenars with two ester-connecting groups, the benzenoid hexacatenars showed hexagonal and tetragonal columnar phases. These mesomorphic properties were discussed from the standpoint of the difference of the core structure and the connecting group, where the amide-connecting group played a role to induce and enhance mesomorphic properties through hydrogen bonding.

机译：三环系统的介晶性质，例如2,5-二苯甲酰氧基托酮，5-苯甲酰基氨基-2-苯甲酰氧基托酮和2,5-二苯甲酰氨基肌酮在其上具有4-烷氧基，3,4-二烷氧基和3,4,5-三烷氧基。苯甲酰基与相应的苯环类化合物一起进行了研究。具有两个单烷氧基苯甲酰基的衍生物显示出向列相和近晶相A和C。具有两个二烷氧基苯甲酰基的类四氢类四类萘具有六方柱状相，除了具有两个酯连接基团的肌钙蛋白，而具有两个二烷氧基苯甲酰基的相应的类苯环是非同晶的。具有两个三烷氧基苯甲酰基的所有类肌钙蛋白六catenars形成六方柱状相。除具有两个酯连接基团的苯并六环己烯类外，苯并六环己烯类均显示六方柱和四方柱状相。从核心结构和连接基团的差异的角度讨论了这些介晶性质，其中酰胺连接基团起着通过氢键诱导和增强介晶性质的作用。

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来源
《Liquid Crystals: An International Journal in the Field of Anisotropic Fluids》 |2010年第4期|共14页
作者
Mori A.; Itoh T.; Taya H.; Kubo K.; Ujiie S.; Baumeister U.; Diele S.; Tschierske C.;
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正文语种 eng
中图分类 O753.2;
关键词
1; 9-Sigmatropy; Hexagonal and tetragonal columnar phases; Hydrogen bonding; Three-ring polycatenars; Troponoid liquid crystals;

机译：[1;9]-同质性;六边形和四边形柱状相;氢键;三环聚类;类鼻形液晶;

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机译：具有在苯甲酰基上的单，二和三烷氧基的2,5-二苯甲酰氧基，5-苯甲酰氨基-2-苯甲酰氧基和2,5-二苯甲酰氨基tropones和它们的苯系衍生物的介晶性质
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Mesomorphic property of 2,5-dibenzoyloxy-, 5-benzoylamino-2-benzoyloxy-, and 2,5-dibenzoylaminotropones with mono-, di-, and tri-alkoxyl groups on the benzoyl groups and their benzenoid derivatives

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