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公开(公告)号：US4565881A
公开(公告)日：1986-01-21
申请号：US405677
申请日：1982-08-06
IPC分类号： C09K19/34 , C07D319/06
CPC分类号： C09K19/3402 , C09K2019/3422
摘要： Liquid crystal substituted 1,3-dioxanes and mixtures containing the same.The invention relates to liquid crystal substituted 1,3-dioxanes and substances containing the same, for electro-optical arrays for the modulation of incident or transmitted light as well as for the reproduction of figures, symbols and images.The object of the invention is nematic liquid-crystal substances with favorable properties with respect to melting and clear points, stability toward thermal stress, effect of light, chemicals and electric fields as well as loss of color and processes for their production.The object is accomplished by the creation of new nematic liquid-crystal substances.According to the invention, liquid crystal 2,5-disubstituted derivatives of 1,3-dioxane of the general formula ##STR1## are proposed, wherein ##STR2## The new substances may be used in mixtures containing at least one of the substances according to the invention.
摘要翻译： 液晶取代1,3-二恶烷及含有它们的混合物。 本发明涉及液晶取代的1,3-二恶烷及其含有物质的物质，用于调制入射或透射光的电光阵列，以及图形，符号和图像的再现。 本发明的目的是在熔融和清除点方面具有良好的性能，对热应力的稳定性，光，化学品和电场的作用以及颜色的丧失和它们的生产方法的向列型液晶物质。 该目的是通过创建新的向列液晶物质来实现的。 根据本发明，提出了具有通式“IMAGE”的1,3-二恶烷的液晶2,5-二取代衍生物，其中
+ TR R2 = OR4，CnH2n + 1，R3 = Br，CN，CnH2n + 1和R4 = CnH2n + 1，其中n = 1至10.新物质可用于含有至少一种根据 发明。 -
2.发明授权Liquid crystalline 2-substituted-5-(1-alkyl-piperid-4-yl)-1,3-dioxanes 失效液晶2-取代-5-（1-烷基 - 哌啶-4-基）-1,3-二氧杂环己烷
公开(公告)号：US4597892A
公开(公告)日：1986-07-01
申请号：US749042
申请日：1985-06-26
IPC分类号： C07D211/22 , C07D211/34 , C07D405/04 , C09K19/34 , C07D407/00 , G02F1/13
CPC分类号： C07D405/04 , C07D211/22 , C07D211/34 , C09K19/3483
摘要： 2-Substituted-5-(1-alkyl-piperid-yl)-1,3-dioxanes of the formula I ##STR1## wherein R= ##STR2## R.sup.1 =--C.sub.n H.sub.2n+1, --OC.sub.n H.sub.2n+1, --OOCC.sub.n H.sub.2n+1, --COC.sub.n H.sub.2n+1, --OOCOC.sub.n H.sub.2n+1, --F, --Cl, --Br, --I, --NO.sub.2, --CN --(CH.sub.2).sub.2 CN, ##STR3## and n=1 to 10, are novel liquid crystalline compounds, which can be produced in high yields by means of reacting 2-(1-alkyl-piperid-4-yl)-propane-1,3-diols with aldehydes in the presence of acid catalysts, such as p-toluenesulfonic acid, mineral acids and Lewis acids. Because of their high thermal and chemical stability, which is also transferred to mixtures, the compounds of the formula I are very well suited for utilization in optoelectronic displays.
摘要翻译： 2-取代的式I的2-取代的5-（1-烷基 - 哌啶基）-1,3-二氧杂环己烷，其中R = R 1 = C n H 2n + 1，-OC n H 2n + 1，-OOCCnH2n + 1，-COCnH2n + 1，-OOCOCnH2n + 1，-F，-Cl，-Br，-I，-NO2，-CN-（CH2）2CN，
+ TR 和n = 1至10是新的液晶化合物，其可以通过使2-（1-烷基 - 哌啶-4-基） - 丙烷-1,3-二醇与醛在酸存在下反应而以高产率制备 催化剂，如对甲苯磺酸，无机酸和路易斯酸。 由于其高的热和化学稳定性，其也转移到混合物中，式I的化合物非常适合于在光电显示器中的应用。 -
公开(公告)号：US4521327A
公开(公告)日：1985-06-04
申请号：US463377
申请日：1983-02-03
IPC分类号： C07D319/06 , C09K19/34 , C09K3/34 , C09K11/06
CPC分类号： C09K19/3402 , C07D319/06 , C09K2019/3422
摘要： The invention relates to nematic liquid crystals, especially for electro-optical components for the modulation of transmitted or reflected light, as well as for the display of numbers, symbols and images, exhibiting favorable physical characteristics, as well as to a method for the production of the new substances.It has been found that new liquid crystal 2-substituted-1,3-dioxane-5-carboxylic acid esters of the general formula ##STR1## are suited for use in electro-optical components for the modulation of the light, as well as for the display of numbers, symbols and images, and can be used alone, in mixtures with each other and/or in mixtures with additional liquid crystal or non-liquid crystal substances.In the method for the production of the new liquid crystal trans-2-substituted-1,3-dioxane-5-carboxylic acid esters, 2-substituted-1,3-dioxane carboxylic acids, with halogen donors such as thionyl chloride, sulfuryl chloride or phosphoric halides, preferably in the absence of organic bases, are converted into the corresponding acid chlorides, which are subsequently esterified in well-known fashion with alcohols or substituted phenols.
摘要翻译： 本发明涉及向列液晶，特别是用于调制透射或反射光的电光元件，以及显示有利的物理特性的数字，符号和图像的显示，以及生产方法 的新物质。 已经发现，具有通式“IMAGE”的新的液晶2-取代-1,3-二恶烷-5-羧酸酯适用于用于调制光的电光部件，以及用于 数字，符号和图像的显示，并且可以单独使用，彼此混合和/或与额外的液晶或非液晶物质混合使用。 在制备新的液晶反式-2-取代-1,3-二恶烷-5-羧酸酯，2-取代-1,3-二恶烷羧酸与卤素供体如亚硫酰氯的方法中， 氯化物或磷酸盐，优选在不存在有机碱的情况下，转化为相应的酰氯，随后以众所周知的方式用醇或取代的酚酯化。
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公开(公告)号：US4486332A
公开(公告)日：1984-12-04
申请号：US405214
申请日：1982-08-04
IPC分类号： C07D319/06 , C09K19/34 , G02F1/13 , C07D319/04 , C09K3/34
CPC分类号： C07D319/06 , C09K19/3402 , C09K2019/3422
摘要： The invention relates to liquid crystal nematic substances based on new derivatives of 1,3-dioxanes in electro-optical components, which are used, for instance, as displays in electronic clocks and computer systems.The subject of the invention is nematic liquid crystal substances with favorable properties concerning melting and clear temperatures, stability against thermal stress and electrical fields, low viscosity and low threshold voltage.It was found that liquid crystal 2,5-di-substituted cyclohexyl derivatives of 1,3 dioxanes, having the general formula ##STR1## R.sup.1 =C.sub.n H.sub.2n+1 ; C.sub.n H.sub.2n+1 O; C.sub.n H.sub.2n+1 COO; CN; NO.sub.2 ; F; Cl; Brand R.sup.2 =C.sub.n H.sub.2n+1 with n+1 to 9are suitable for use in electro-optical components.
摘要翻译： 本发明涉及基于电光部件中1,3-二恶烷的新衍生物的液晶向列物质，其用于例如电子时钟和计算机系统中的显示器。 本发明的主题是具有熔融和透明温度，耐热应力和电场稳定性，低粘度和低阈值电压的有利性质的向列型液晶物质。 发现1,3-二恶烷的液晶2,5-二取代的环己基衍生物具有通式为：＆lt; IMAGE＆gt;＆lt; IMAGE＆gt; R1 = CnH2n + 1; CnH2n + 10 CnH2n + 1COO; CN; NO2; F; Cl; Br和R2 = CnH2n + 1，n + 1〜9适用于电光元件。
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