2,5-di-p-tolylpyrimidine | 29134-17-6

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 英文名称: 2,5-di-p-tolylpyrimidine
• 英文别名: 2,5-Bis(4-n-Methylphenyl)-pyrimidin；2,5-Bis(4-methylphenyl)pyrimidine
• CAS: 29134-17-6
• 化学式: C₁₈H₁₆N₂
• 分子量: 260.338
• InChiKey: FCSDOKWQJJJLPA-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.2
• 重原子数：
  20
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  25.8
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  3,5-Bis(4-methylphenyl)thieno[3,2-e][1,2,4]triazine 530.0 ℃ 、6.0 Pa 条件下， 反应 0.25h， 以15%的产率得到3-cyano-4-p-tolylisothiazole
  参考文献：
  名称：

  噻吩并[3,2- e ] [1,2,4]三嗪的气相热解。通往杂环系统的有趣路线

  摘要：

  噻吩并[3,2- e ] [1,2,4]三嗪的气相热解得到苄腈，异噻唑，嘧啶，[1]苯并噻吩并[ 2,3- d ]嘧啶和噻吩并[3,2- d ]噻唑衍生品。提出了这些热解转化的机理。报道了起始的噻吩并[3,2- e ] [1,2,4]三嗪的两种新的有效合成方法。

  DOI：

  10.1016/j.tet.2004.07.076

文献信息

• POLYMER COMPOUND, MATERIAL FOR ELECTRONIC ELEMENTS, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ORGANIC ELECTROLUMINESCENT ELEMENT
  申请人：IDEMITSU KOSAN CO., LTD.

  公开号：US20150249215A1

  公开（公告）日：2015-09-03

  Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.

  提供了一种聚合物化合物，包括至少含有一个单位B的共聚物，以及重复单元A、B和C所指的单位A和/或单位C，其重量平均分子量为50,000至1,500,000；一种用于电子器件的材料和一种用于有机电致发光器件的材料，包括该化合物；一种有阳极、阴极和有机薄膜层的有机电致发光器件，其中至少一个有机薄膜层含有该聚合物化合物；一种含有该聚合物化合物和溶剂的涂层液；以及使用该涂层液制备有机电致发光器件的方法。还提供了一种适用于涂层方法的聚合物化合物；一种包括该化合物的电子器件材料和有机电致发光器件材料；以及一种有机EL器件、涂层液和使用该化合物制备有机EL器件的方法。
• PREPARATION PROCESS FOR AND USE OF SUPER-HIGH-COUNT PI-PSA ELECTROSPUN FIBER LONG-STAPLE YARN
  申请人：JIANGXI ADVANCED NANOFIBER S&T CO., LTD

  公开号：EP3767018A1

  公开（公告）日：2021-01-20

  The present invention relates to the technical field of chemical fiber spinning, in particular to a process for preparing an ultra-high-count filament yarn of PI-PSA electrospun fiber and uses thereof, the process comprises the steps of: step 1: after a monomer (I) and a monomer (II) are purified, adding the monomer (I) and monomer (II) to a polymerization reactor together with a solvent to obtain a polyamic acid solution, which is then mechanically mixing the polyamic acid solution with a PSA to obtain a spinning raw material liquid of the polyamic acid and the PSA; step 2: implementing electrostatic spinning to the spinning raw material liquid in a high-voltage electric field, and collecting to obtain a felt or nonwoven fabric of polyamic acid/PSA electrospun fibers using a stainless steel mesh belt as a collector; step 3: cutting the felt or nonwoven fabric of polyamic acid/PSA electrospun fibers obtained above into slender strips with a width of 0.5 to 5.0 cm, and thermally drafting and imidizing the strips to form an oriented electrospun fiber bundle; step 4: twisting the above electrospun fiber bundle to obtain an ultra-high-count filament yarn of PI-PSA electrospun composite fiber.

  本发明涉及化纤纺丝技术领域，尤其涉及一种 PI-PSA 电纺丝超高支长丝的制备工艺及其用途，该工艺包括以下步骤： 步骤 1：单体（I）和单体（II）提纯后，将单体（I）和单体（II）与溶剂一起加入聚合反应器中，得到聚酰胺酸溶液，然后将聚酰胺酸溶液与PSA机械混合，得到聚酰胺酸和PSA的纺丝原料液；步骤2：步骤 2：在高压电场中对纺丝原料液进行静电纺丝，并用不锈钢网带作为收集器进行收集，得到聚氨基酸/PSA 电纺纤维毡或无纺布；步骤 3：将上述得到的聚氨基酸/PSA 电纺纤维毡或无纺布切割成宽度为 0.5至5.0厘米的细条，并对细条进行热牵伸和酰亚胺化处理，形成取向电纺纤维束；步骤4：对上述电纺纤维束进行加捻，得到PI-PSA电纺复合纤维超高支长丝。
• Polymer compound, material for electronic elements, material for organic electroluminescent elements, and organic electroluminescent element
  申请人：IDEMITSU KOSAN CO., LTD.

  公开号：US10038143B2

  公开（公告）日：2018-07-31

  Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.

  本发明提供了一种聚合物化合物，它由至少含有一个单元 B 和一个单元 A 和/或一个单元 C 的共聚物组成，单元 A、B 和 C 的重量平均分子量在 50,000 至 1,500,000 之间；一种电子设备材料和一种有机电致发光器件材料，其中包含该化合物；具有阳极、阴极和有机薄膜层的有机电致发光器件，其中至少一个有机薄膜层含有该聚合物化合物；含有该聚合物化合物和溶剂的涂覆液；以及使用该涂覆液生产有机电致发光器件的方法。此外，还提供了适用于涂层方法的聚合物化合物；包含该化合物的电子器件材料和有机电致发光器件材料；以及有机电致发光器件、涂层液和使用该化合物生产有机电致发光器件的方法。
• Polyimide precursor composition, use thereof and polyimide made therefrom
  申请人：ETERNAL MATERIALS CO., LTD.

  公开号：US11034797B2

  公开（公告）日：2021-06-15

  The present disclosure relates to a polyimide precursor composition comprising an amic acid ester oligomer of formula (I): wherein r, Rx, G, P and R are as defined in the specification. Also, a use of the polyimide precursor composition and a polyimide made from the polyimide precursor composition.

  本公开涉及一种聚酰亚胺前体组合物，其中包含式（I）的胺基酸酯低聚物： 其中 r、Rx、G、P 和 R 如说明书中所定义。此外，还包括聚酰亚胺前体组合物和由聚酰亚胺前体组合物制成的聚酰亚胺的用途。
• POLYMERIZABLE LIQUID CRYSTAL COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, LIQUID CRYSTALLINE POLYMER, AND OPTICALLY ANISOTROPIC MATERIAL
  申请人：Zeon Corporation

  公开号：EP2143710B1

  公开（公告）日：2014-07-09