2,4'-Tolan-dicarbonsaeure | 792-61-0

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2,4'-Tolan-dicarbonsaeure
• 英文别名: 2-[2-(4-Carboxyphenyl)ethynyl]benzoic acid
• CAS: 792-61-0
• 化学式: C₁₆H₁₀O₄
• 分子量: 266.253
• InChiKey: JABNPIARDMDINX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3
• 重原子数：
  20
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  2,4'-Tolan-dicarbonsaeure 以 乙醇 为溶剂， 生成 4-(3-oxo-3H-isobenzofuran-1-ylidenemethyl)-benzoic acid
  参考文献：
  名称：

  Intramolecular Catalysis in Addition of Carboxyl to Carbon-Carbon Triple Bonds¹

  摘要：

  DOI：

  10.1021/ja01082a012
• 作为产物：
  描述：

  1-Bromo-2-[1,2-dibromo-2-(4-bromophenyl)ethyl]benzene 在 potassium tert-butylate 作用下， 以 叔丁醇 为溶剂， 生成 2,4'-Tolan-dicarbonsaeure
  参考文献：
  名称：

  Intramolecular Catalysis in Addition of Carboxyl to Carbon-Carbon Triple Bonds¹

  摘要：

  DOI：

  10.1021/ja01082a012

文献信息

• MODIFIER FOR AROMATIC POLYESTER AND AROMATIC POLYESTER RESIN COMPOSITION COMPRISING THE SAME
  申请人：TABATA Masayoshi

  公开号：US20110224343A1

  公开（公告）日：2011-09-15

  The present invention provides a modifier for aromatic polyesters which enhances the melt fluidity of aromatic polyesters without a significant decrease in the heat resistance of the aromatic polyesters, and an aromatic polyester resin composition including the modifier for aromatic polyesters. The present invention relates to a modifier for aromatic polyesters comprising polyhydric phenol residues and residues of aromatic polycarboxylic acid, acid halide or acid anhydride thereof, and the modifier comprises a material having a structure composed of a first residue selected from the group consisting of divalent residues represented by Formula (I): —Ar—W 1 x —Ar— and by Formula (II): —Ar—, the first residues being bonded to two identical or different second residues selected from the group consisting of monovalent residues represented by Formula (III): and monovalent residues represented by Formula (IV): —O—C(O)—R 7 —.

  本发明提供了一种用于芳香族聚酯的改性剂，可以增强芳香族聚酯的熔融流动性，而不明显降低芳香族聚酯的耐热性，以及包括该改性剂的芳香族聚酯树脂组合物。本发明涉及一种用于芳香族聚酯的改性剂，包括多羟基酚残基和芳香族多羧酸、酸卤或其酸酐残基，该改性剂包括具有以下结构的材料：第一残基，选择自由式(I)所代表的二价残基：—Ar—W1x—Ar—和自由式(II)所代表的：—Ar—，第一残基与选择自由式(III)所代表的单价残基：和自由式(IV)所代表的单价残基：—O—C(O)—R7—的两个相同或不同的第二残基结合。
• Precursor of a heat resistant resin, heat resistant resin, insulating film and semiconductor device
  申请人：——

  公开号：US20020013443A1

  公开（公告）日：2002-01-31

  A precursor of a polybenzoxazole resin which comprises a crosslinking group in a molecule and has a specific structure, a polybenzoxazole resin obtained from the precursor by the condensation reaction and the crosslinking reaction, an insulating film comprising the polybenzoxazole resin and a semiconductor device comprising an insulating interlayer film in multi-layer wiring or a film for protecting surfaces which comprises the above insulating film. The precursor exhibits excellent processability due to excellent solubility in solvents and, after the ring closure, excellent heat stability in applications. The resin exhibits excellent electric, physical and mechanical properties and is advantageously used for insulating interlayer films of semiconductor devices and the like applications.

  一种聚苯并咪唑树脂的前体，其分子中包含交联基团并具有特定的结构，通过缩合反应和交联反应获得的聚苯并咪唑树脂，包括聚苯并咪唑树脂的绝缘膜以及包括上述绝缘膜的多层布线中的绝缘中间层膜或用于保护表面的膜的半导体器件。由于前体在溶剂中具有优异的溶解性，因此表现出优异的加工性能，并且在环闭后具有优异的热稳定性能，树脂表现出优异的电学、物理和机械性能，可优点地用于半导体器件的绝缘中间层膜等应用。
• Material for an insulating film, coating varnish for an insulating film, and insulating film and semiconductor device using the same
  申请人：——

  公开号：US20040002572A1

  公开（公告）日：2004-01-01

  A material for an insulating film which comprises a copolymer obtained by reacting a polyamide having a specific structure and a reactive oligomer as a component forming the film; a coating varnish for an insulating film which comprises this material and an organic solvent; an insulating film which comprises a layer of a resin comprising as a main structure a polybenzoxazole which is obtained by treating the above material or the above coating varnish by heating so that condensation reaction and crosslinking reaction take place and has fine pores; and a semiconductor device which comprises an insulating interlayer film for multi-layer wiring comprising the insulating film and/or a surface protective film comprising the insulating film. Excellent electrical, thermal and mechanical properties are exhibited and a low permittivity can be achieved.

  一种绝缘薄膜材料，包括由特定结构的聚酰胺和反应性低聚物作为成膜组分所反应得到的共聚物；一种用于绝缘薄膜的涂覆清漆，包括该材料和有机溶剂；一种绝缘薄膜，包括一层树脂，其主要结构为通过热处理上述材料或上述涂覆清漆得到的聚苯并咪唑，发生缩聚反应和交联反应并具有细小孔隙；以及一种半导体器件，包括用于多层布线的绝缘中间层膜，包括上述绝缘薄膜和/或表面保护膜，包括上述绝缘薄膜。具有优异的电性能、热性能和机械性能，并且可以实现低介电常数。
• Crosslinkable Aromatic Polyester
  申请人：Ticona LLC

  公开号：US20140088247A1

  公开（公告）日：2014-03-27

  A crosslinkable aromatic polyester that is formed by polymerizing certain precursor monomers in the presence of a biaromatic crosslinking agent is provided. The crosslinkable aromatic polyester can have a relatively high melting temperature. For example, the melting temperature of the crosslinkable polyester may be from about 200° C. to about 370° C. While having a relatively high melting temperature, the crosslinkable polyester can maintain a relatively low melt viscosity so that it can be readily removed from the polymerization reactor without solidifying therein.

  提供了一种可交联的芳香族聚酯，它是通过在双芳香交联剂存在下聚合某些前体单体形成的。可交联的芳香族聚酯可以具有相对较高的熔点。例如，可交联聚酯的熔点可以从约200°C到约370°C。虽然具有相对较高的熔点，但可交联聚酯可以保持相对较低的熔融粘度，以便可以轻松地从聚合反应器中移除，而不会在其中凝固。
• ALIGNING AGENT FOR LIQUID CRYSTAL
  申请人：Nissan Chemical Industries, Ltd.

  公开号：EP0980016A1

  公开（公告）日：2000-02-16

  The present invention relates to a treating agent for liquid crystal alignment, which is an agent for liquid crystal alignment to be used for a method in which polarized ultraviolet rays or electron rays are irradiated on a polymer thin film formed on a substrate in a predetermined direction relative to the substrate plane, and said substrate is used for aligning liquid crystal without rubbing treatment, wherein said agent for liquid crystal alignment contains a polymer compound having photochemically reactive groups in the polymer main chain and a glass transition temperature of at least 200°C.

  本发明涉及一种用于液晶配向的处理剂，它是一种用于液晶配向的处理剂，在该方法中，偏振紫外线或电子射线按相对于基底平面的预定方向照射在基底上形成的聚合物薄膜上，所述基底用于配向液晶而无需摩擦处理，其中所述液晶配向剂含有一种聚合物化合物，该聚合物化合物在聚合物主链中具有光化学反应基团，玻璃化温度至少为 200°C。