3,3'-dimethoxy-4,4'-biphenyldicarboxylic acid | 861600-12-6

• 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: 3,3'-dimethoxy-4,4'-biphenyldicarboxylic acid
• 英文别名: 3,3’-dimethoxy-[1,1’-biphenyl]-4,4’-dicarboxylic acid；3,3'-dimethoxy-biphenyl-4,4'-dicarboxylic acid；3,3'-Dimethoxy-biphenyl-4,4'-dicarbonsaeure；3.3'-Dimethoxy-diphenyl-dicarbonsaeure-(4.4')；4-(4-Carboxy-3-methoxyphenyl)-2-methoxybenzoic acid
• CAS: 861600-12-6
• 化学式: C₁₆H₁₄O₆
• 分子量: 302.284
• InChiKey: OTRGXSFRJBUHRJ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  22
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.12
• 拓扑面积：
  93.1
• 氢给体数：
  2
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  3,3'-dimethoxy-4,4'-biphenyldicarboxylic acid 在 氯化亚砜 作用下， 生成 3,3'-dimethoxy-biphenyl-4,4'-dicarbonyl chloride
  参考文献：
  名称：

  Mudrovcic, Monatshefte fur Chemie, 1913, vol. 34, p. 1428

  摘要：

  DOI：
• 作为产物：
  描述：

  dimethyl 3,3'-dimethoxybiphenyl-4,4'-dicarboxylate 在 甲醇 、 potassium hydroxide 作用下， 反应 1.0h， 以95.1%的产率得到3,3'-dimethoxy-4,4'-biphenyldicarboxylic acid
  参考文献：
  名称：

  基于3,3'-二甲氧基-4,4'-联苯二羧酸的三种具有不同拓扑结构的新型金属有机骨架：合成，结构和性质

  摘要：

  三种新颖的金属有机骨架，[CdL] n（1），[ZnL] n（2）和[Cu 2 L 2（DMF）2 ]·6H 2 O（3）制备成功。使用3，3′-二甲氧基-4，4′-联苯二甲酸（H 2 L）作为配体的溶剂热法。X射线晶体学分析表明，复合物1表现出具有sra拓扑的3D框架和罕见的八配位Cd（II），带有两个结合的甲氧基作为二级结构单元（SBU）。对于复杂2，观察到具有四配位的Zn（II）作为SBU的2D配位网络。复合体3还显示了具有4 4方格拓扑结构和作为SBU的明轮式Cu 2（-CO 2）4的2D分层体系结构。113的镉NMR谱1表明，八配位镉（II）的化学位移出现在δ-108.9 ppm的。此外，1和2均为具有高热稳定性（> 380°C）的坚固的配位聚合物。1和2的荧光测量分别在403和401 nm处显示中等强度的发射峰。磁学3在-2 J = 286 cm -1的两个Cu（II）离子之间表现出强烈的反铁磁相互作用。

  DOI：

  10.1021/cg9012262

文献信息

• Two 3D metal–organic frameworks with different topologies, thermal stabilities and magnetic properties
  作者：Ting Gao、Xiao-Zhu Wang、Hao-Xue Gu、Yan Xu、Xuan Shen、Dun-Ru Zhu

  DOI：10.1039/c2ce25442e

  日期：——

  Two novel 3D metal–organic frameworks, [ML]n (M = Co, 1; Mn, 2) were successfully prepared in solvothermal conditions using 3,3′-dimethoxy-4,4′-biphenyldicarboxylic acid (H2L) as the ligand. X-Ray crystallography analysis reveals that MOF 1 crystallizes in the monoclinic system, space group P21/c in contrast to MOF 2 in the tetragonal system, space group I. MOF 1 contains an elongated [CoO6] octahedron with two bound methoxy groups in the trans position, whereas MOF 2 has a compressed [MnO6] octahedron with two coordinated methoxy groups in the cis arrangement. The ligand L shows a novel bis(tridentate) bridging coordination mode. MOF 1 exhibits a 3D framework with CdSO4 (cds) topology consisting of two different nodes and good thermal stability (313 °C). MOF 2 is a doubly interpenetrated 3D α-Po framework with a higher thermal stability (368 °C). The study of magnetic properties in the temperature range of 1.8–300 K shows the occurrence of weak ferromagnetic interactions (J = 0.15 K) between the high-spin Co(II) ions in 1, but a weak antiferromagnetic coupling (J = −0.15 cm−1) between Mn(II) ions in 2 due to the syn-anti carboxylate bridge.

  以 3,3â²-二甲氧基-4,4â²-联苯二甲酸（H2L）为配体，在溶热条件下成功制备了两种新型三维金属有机框架 [ML]n（M = Co, 1; Mn, 2）。X 射线晶体学分析表明，MOF 1 晶型为单斜晶系，空间群为 P21/c，而 MOF 2 晶型为四方晶系，空间群为 I。MOF 1 包含一个拉长的[CoO6]八面体，其反式位置上有两个结合的甲氧基，而 MOF 2 则包含一个压缩的[MnO6]八面体，其顺式排列上有两个配位的甲氧基。配体 L 显示出一种新颖的双（三叉）桥接配位模式。MOF 1 具有三维框架，CdSO4（cds）拓扑结构由两个不同的节点组成，具有良好的热稳定性（313 °C）。MOF 2 是一个双互穿三维δ-±-Po 框架，具有更高的热稳定性（368 °C）。在1.8â300 K温度范围内对磁性的研究表明，1中的高自旋Co（II）离子之间存在微弱的铁磁相互作用（J = 0.15 K），而2中的Mn（II）离子之间则存在微弱的反铁磁耦合（J = â0.15 cmâ1），这是由于合成-反羧酸桥造成的。
• Bifunctionalized Metal–Organic Frameworks for Pore‐Size‐Dependent Enantioselective Sensing
  作者：Zongsu Han、Kunyu Wang、Hui Min、Jun Xu、Wei Shi、Peng Cheng

  DOI：10.1002/anie.202204066

  日期：2022.6.20

  Porosity is fundamental in metal–organic frameworks (MOFs) but has always been underestimated for luminescent sensing applications. A simple and general synthetic strategy was developed for isoreticular MOFs with nanochannels of identical shapes but different pore sizes, which revealed the fundamentals of the pore effect in luminescent sensors.

  孔隙率是金属有机框架 (MOF) 的基础，但在发光传感应用中一直被低估。为具有相同形状但不同孔径的纳米通道的等网状 MOF 开发了一种简单而通用的合成策略，揭示了发光传感器中孔效应的基本原理。
• Process for refining 1,3-dimethyl-2-imidazolidinone and a process for preparing an aromatic polyamide by use of the refined product
  申请人：MITSUI TOATSU CHEMICALS, Inc.

  公开号：EP0332425A1

  公开（公告）日：1989-09-13

  A refining process for removing impurities from 1,3-dimethyl-2-imidazolidinone (DMI) employs a composite salt containing MgO and/or SiO₂ composition moieties and the DMI to be refined is brought into contact with the salt at a temperature in the range of 5 - 180°C. A process for preparing an aromatic polyamide having a high polymerization degree from an aromatic diisocyanate and an aromatic dicarboxylic acid by using as a reaction solvent, DMI purified by the above-mentioned process.

  一种从 1,3-二甲基-2-咪唑烷酮（DMI）中去除杂质的精制工艺采用了一种含有 MgO 和/或 SiO₂组成分子的复合盐，并在 5 - 180°C 的温度范围内将待精制的 DMI 与该盐接触。用上述工艺提纯的 DMI 作为反应溶剂，用芳香族二异氰酸酯和芳香族二羧酸制备具有高聚合度的芳香族聚酰胺的工艺。
• Process for producing aromatic polyamides
  申请人：MITSUI TOATSU CHEMICALS, Inc.

  公开号：EP0328342A2

  公开（公告）日：1989-08-16

  Aromatic polyamides are produced by subjecting an aromatic diisocyanate and an aromatic dicarboxylic acid to polycondensation in the presence of an alkali metal compound and/or an alkaline earth metal compound as a catalyst in an aprotonic polar solvent. The aromatic polyamide can be rendered suitable for use in the production of high-tenacity fibers by charging in advance the solvent, aromatic dicarboxylic acid and catalyst in a mixing system, reducing the water content in the mixing system to 50 ppm or below and then introducing the aromatic diisocyanate to conduct the polycondensation reaction.

  芳香族聚酰胺的生产方法是：在有碱金属化合物和/或碱土金属化合物作为催化剂的情况下，在质子极性溶剂中将芳香族二异氰酸酯和芳香族二羧酸进行缩聚。 在混合系统中预先加入溶剂、芳香族二羧酸和催化剂，将混合系统中的水含量降至 50ppm 或以下，然后引入芳香族二异氰酸酯进行缩聚反应，可使芳香族聚酰胺适用于生产高韧性纤维。
• INSULATED WIRE
  申请人：THE FURUKAWA ELECTRIC CO., LTD.

  公开号：EP0977209A1

  公开（公告）日：2000-02-02

  There is disclosed an insulated wire, which comprises at least one insulating layer toned by applying and baking, directly or via another insulating layer on a conductor, a resin composition containing at least one selected from the group consisting of a polyamidimide resin and a polyimide resin, each having, in the molecular structure of the resin, a structure represented by formula (I), and/or a resin composition containing at least one selected from the group consisting of a polyamidimide resin and a polyimide resin, each having, in the molecular structure of the resin, a structure represented by formula (II), and said insulated wire has 0.2% yield stress of not more than 110 Mpa. This insulated wire, even if its insulation coating is made thinner, is excellent in resistance to scratches, and it is able to prevent the coating from breakage at the time of coil working, especially of the insertion of a coil into a stator slot, under rigorous conditions. In the formulae, R1, R2, R3, and R4, each are a hydrogen atom, an alkyl group, a hydroxyl group, a halogen atom, or an alkoxy group.

  本发明公开了一种绝缘电线，该电线包括至少一个绝缘层，该绝缘层是通过在导体上直接或通过另一个绝缘层涂敷和烘烤而调色的，该绝缘层是一种树脂组合物，该树脂组合物含有至少一种选自由聚酰胺酰亚胺树脂和聚酰亚胺树脂组成的组中的一种，每种树脂的分子结构中都具有式（I）所代表的结构，和/或一种树脂组合物，该树脂组合物含有至少一种选自由聚酰胺酰亚胺树脂和聚酰亚胺树脂组成的组中的一种，每种树脂的分子结构中都具有式（I）所代表的结构、或含有至少一种选自聚酰胺酰亚胺树脂和聚酰亚胺树脂组成的组的树脂组合物，每种树脂的分子结构均具有式 (II) 所表示的结构，且所述绝缘线具有 0.2% 的屈服应力不超过 110 兆帕。这种绝缘导线即使绝缘层变薄，也具有极佳的抗划伤能力，在线圈工作时，特别是在将线圈插入定子槽中的严格条件下，能够防止绝缘层破损。 式中，R1、R2、R3 和 R4 各为氢原子、烷基、羟基、卤素原子或烷氧基。