1-(4-methylphenyl)-4-{3-[1-(4-methylphenyl)-4-piperidinyl]propyl}piperidine

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 哌啶类
• 英文名称: 1-(4-methylphenyl)-4-{3-[1-(4-methylphenyl)-4-piperidinyl]propyl}piperidine
• 英文别名: 1-(4-Methylphenyl)-4-[3-[1-(4-methylphenyl)piperidin-4-yl]propyl]piperidine
• 化学式: C₂₇H₃₈N₂
• 分子量: 390.612
• InChiKey: CGCUPVJRTRVQHP-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  7.7
• 重原子数：
  29
• 可旋转键数：
  6
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.56
• 拓扑面积：
  6.5
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  对氯甲苯 、 1,3-二(4-哌啶基)丙烷 在 2-甲基-2-丁醇 2,2'-联吡啶 、 nickel diacetate 、 sodium hydride 、 苯乙烯 作用下， 以 四氢呋喃 为溶剂， 反应 17.0h， 以71%的产率得到1-(4-methylphenyl)-4-{3-[1-(4-methylphenyl)-4-piperidinyl]propyl}piperidine
  参考文献：
  名称：

  镍催化仲二胺的选择性N-芳基化或N，N'-二芳基化

  摘要：

  描述了使用与2,2'-联吡啶缔合的Ni（0）的催化剂组合，从相应的二胺和芳基氯化物选择性合成N-芳基或N，N'-二芳基哌嗪和三亚甲基（双）哌啶。Ni / 2，2'-联吡啶催化剂对于哌嗪的顺序芳基化也是有效的。报道了新型和不对称的1，4-二芳基哌嗪的制备。

  DOI：

  10.1016/s0040-4020(02)00750-0

文献信息

• POLYIMIDE PRECURSOR, POLYIMIDE, AND LIQUID CRYSTAL ALIGNING AGENT
  申请人：Nagao Masato

  公开号：US20120088888A1

  公开（公告）日：2012-04-12

  To provide a novel polyimide precursor or polyimide which can provide a liquid crystal alignment film having a low volume resistivity, a liquid crystal aligning agent containing these polymers, a liquid crystal alignment film and a novel diamine which is useful as the starting material of these polymers. A polyimide precursor having polymerized units represented by the formula (1), and characterized by satisfying any one of the following (i) to (iii): (i) the structure of X, Y or each of them in formula (1) has a group represented by the following formula (2); (ii) R 2 , R 3 or each of them in formula (1) is a group represented by the following formula (2); (iii) the structure of X, Y or each of them in formula (1) has a group represented by the following formula (2), and R 2 , R 3 or each of them is a group represented by following formula (2):

  提供一种新型聚酰亚胺前体或聚酰亚胺，可提供具有低体积电阻率的液晶取向膜，包含这些聚合物的液晶取向剂，液晶取向膜和一种新型二胺，作为这些聚合物的起始材料。聚酰亚胺前体具有由式（1）表示的聚合单元，其特征在于满足以下任一条件（i）至（iii）中的任一条件：（i）式（1）中的X、Y或它们中的每一个具有以下式（2）表示的基团的结构；（ii）式（1）中的R2、R3或它们中的每一个是以下式（2）表示的基团；（iii）式（1）中的X、Y或它们中的每一个具有以下式（2）表示的基团的结构，而R2、R3或它们中的每一个是以下式（2）表示的基团。
• LIQUID CRYSTAL ALIGNING AGENT, LIQUID CRYSTAL ALIGNMENT FILM AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：NISSAN CHEMICAL INDUSTRIES, LTD.

  公开号：US20160244673A1

  公开（公告）日：2016-08-25

  To provide a liquid crystal aligning agent to obtain a liquid crystal alignment film which is excellent in the adhesion to a sealing agent and in the liquid crystal alignment property. A liquid crystal aligning agent containing at least one polymer selected from the group consisting of a polyimide precursor having structural units represented by the formula (1) and structural units represented by the formula (3) and an imidized polymer of the polyimide precursor: wherein X 1 and X 4 are a tetravalent organic group, Y 1 is a bivalent organic group having a thermally-leaving group, Y 2 is a bivalent organic group, R 1 and R 2 are a hydrogen atom or a C 1-5 alkyl group, and Z 1 and Z 2 are a hydrogen atom, or a C 1-10 alkyl group, C 2-10 alkenyl group or C 2-10 alkynyl group which may have a substituent.

  提供一种液晶定向剂，以获得具有优异密封剂附着性和液晶定向性的液晶定向膜。所述液晶定向剂包含至少一种聚合物，所述聚合物从以下组中选择：具有由公式（1）和公式（3）表示的结构单元的聚酰亚胺前体和聚酰亚胺前体的缩酐聚合物：其中X1和X4是四价有机基团，Y1是具有热离基的双价有机基团，Y2是双价有机基团，R1和R2是氢原子或C1-5烷基基团，Z1和Z2是氢原子或C1-10烷基基团、C2-10烯基基团或C2-10炔基基团，可以具有取代基。
• LIQUID CRYSTAL ALIGNING AGENT CONTAINING POLYIMIDE PRECURSOR HAVING THERMALLY-LEAVING GROUP AND/OR POLYIMIDE
  申请人：NISSAN CHEMICAL INDUSTRIES, LTD.

  公开号：US20160264867A1

  公开（公告）日：2016-09-15

  To provide a liquid crystal aligning agent to obtain a liquid crystal alignment film which is excellent in the adhesion to a sealing agent and a substrate of a liquid crystal display device, and of which a decomposed product formed after irradiation with ultraviolet rays will easily be removed. A liquid crystal aligning agent containing at least one polymer selected from the group consisting of a polyimide precursor having a bond represented by the following formula (1) in its main chain and an imidized polymer of the polyimide precursor: wherein each of R 1 , R 2 , R 3 and R 4 which are independent of one another, is a hydrogen atom or a C 1-20 monovalent hydrocarbon group which may have a substituent, and D is a protecting group to be replaced with a hydrogen atom by heat.

  提供一种液晶定向剂，以获得在液晶显示器的密封剂和基板上具有优异附着性的液晶定向膜，并且在紫外线照射后形成的分解产物易于去除。该液晶定向剂包含至少一种聚合物，所述聚合物从以下群组中选择：具有其主链中表示如下式（1）的键的聚酰亚胺前体和聚酰亚胺前体的缩合聚合物：其中，R1、R2、R3和R4各自独立地是氢原子或C1-20个单价烃基，可以具有取代基，D是保护基，可通过热被氢原子取代。
• Liquid crystal aligning agent, liquid crystal alignment film and liquid crystal display device
  申请人：NISSAN CHEMICAL INDUSTRIES, LTD.

  公开号：US10011772B2

  公开（公告）日：2018-07-03

  To provide a liquid crystal aligning agent to obtain a liquid crystal alignment film which is excellent in the adhesion to a sealing agent and in the liquid crystal alignment property. A liquid crystal aligning agent containing at least one polymer selected from the group consisting of a polyimide precursor having structural units represented by the formula (1) and structural units represented by the formula (3) and an imidized polymer of the polyimide precursor: wherein X1 and X4 are a tetravalent organic group, Y1 is a bivalent organic group having a thermally-leaving group, Y2 is a bivalent organic group, R1 and R2 are a hydrogen atom or a C1-5 alkyl group, and Z1 and Z2 are a hydrogen atom, or a C1-10 alkyl group, C2-10 alkenyl group or C2-10 alkynyl group which may have a substituent.

  提供一种液晶配向剂，以获得一种与密封剂的粘附性和液晶配向性都很好的液晶配向膜。 一种液晶配向剂含有至少一种聚合物，该聚合物选自具有式（1）和式（3）所代表结构单元的聚酰亚胺前体以及聚酰亚胺前体的亚胺化聚合物组成的组： 其中 X1 和 X4 为四价有机基团，Y1 为具有热离去基团的二价有机基团，Y2 为二价有机基团，R1 和 R2 为氢原子或 C1-5 烷基，Z1 和 Z2 为氢原子或可能具有取代基的 C1-10 烷基、C2-10 烯基或 C2-10 烷基。
• Liquid crystal aligning agent, liquid crystal alignment film and liquid crystal display element
  申请人：NISSAN CHEMICAL INDUSTRIES, LTD.

  公开号：US10921650B2

  公开（公告）日：2021-02-16

  The present invention relates to a liquid crystal aligning agent which contains a polymer that has a site having an isocyanate group and/or a blocked isocyanate group, a site having a photoreactive group having photoalignment, and a site having at least one functional group selected from an amino group and a hydroxyl group in each molecule. The present invention provides a liquid crystal display element which enables baking at low temperatures during the formation of a liquid crystal alignment film by a photoalignment method, the liquid crystal alignment film being able to be imparted with alignment regulating property and pretilt angle developing property.

  本发明涉及一种液晶配向剂，该液晶配向剂含有一种聚合物，该聚合物在每个分子中具有具有异氰酸酯基团和/或封端异氰酸酯基团的位点、具有光配位的光活性基团的位点以及具有至少一个选自氨基和羟基的官能团的位点。本发明提供了一种液晶显示元件，在通过光配位法形成液晶配位膜的过程中，可在低温下进行烘烤，该液晶配位膜能够被赋予配位调节特性和前倾角度显影特性。