2,2',5,5'-tetramethyl-4,4'-dihydroxybiphenyl | 141563-02-2

• 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: 2,2',5,5'-tetramethyl-4,4'-dihydroxybiphenyl
• 英文别名: 2,2',5,5'-tetramethyl-4,4'-biphenyldiol；2,2',5,5'-Tetramethyl[1,1'-biphenyl]-4,4'-diol；4-(4-hydroxy-2,5-dimethylphenyl)-2,5-dimethylphenol
• CAS: 141563-02-2
• 化学式: C₁₆H₁₈O₂
• 分子量: 242.318
• InChiKey: OVPMSECAZQDSMZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.3
• 重原子数：
  18
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  40.5
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2,2',5,5'-tetramethyl-4,4'-dihydroxybiphenyl 生成 2,2',5,5'-tetramethyl-4,4'-dimethoxybiphenyl
  参考文献：
  名称：

  对苯二酚与二氧化氮的选择性硝化与氧化脱烷基

  摘要：

  各种烷基取代的对二烷氧基苯（ArH）可以通过硝化（ArNO 2）或氧化脱烷基化成醌（Q）与二氯甲烷溶液中的二氧化氮（NO 2）反应。光谱瞬变指示来自二烷氧基苯自由基阳离子这些耦合过程（ARH +·形成为从disproprtionated前体电子转移常见的反应中间体）ARH，NO + ] N0 3 - 。在快速的后续步骤中。ARH +·经历均裂耦合与NO 2（这会导致芳烃硝化）和NO的亲核攻击3 -（这导致氧化脱烷基）。这样，通过溶剂极性和添加的硝酸盐可以有效地调节硝化和氧化脱烷基之间的竞争。

  DOI：

  10.1016/s0040-4020(01)81329-6
• 作为产物：
  描述：

  2,5-二甲基苯甲醚 在 三溴化硼 、 thallium(I) trifluoroacetate 作用下， 以 二氯甲烷 为溶剂， 反应 2.0h， 生成 2,2',5,5'-tetramethyl-4,4'-dihydroxybiphenyl
  参考文献：
  名称：

  First Synthesis and Deodorant Activities of Compounds Isolated from Thyme (Thymus Vulgaris L.) and Their Analogues

  摘要：

  从百里香中分离出的 4-(4-羟基-5-异丙基-2-甲基苯基)-6-异丙基-3-甲基-3,5-环己二烯-1,2-二酮和 5,5′-二异丙基-2,2′-二甲基-3,4,4′-联苯三醇，以及它们的类似物 4-(2、合成了 4-（2,5-二甲基-4-羟基苯基）-3,6-二甲基-3,5-环己二烯-1,2-二酮和 2,2′,5,5′-四甲基联苯-3,4,4′-三醇，并测定了它们对甲硫醇的除臭活性。

  DOI：

  10.1246/bcsj.65.1159

文献信息

• Resin, photosensitive resin composition, electronic component and display device using the same
  申请人：TORAY INDUSTRIES, INC.

  公开号：US11333976B2

  公开（公告）日：2022-05-17

  A resin having a small linear thermal expansion coefficient and a low absorbance is provided. The resin is characterized by including at least one structure selected from structures represented by the following general formulae (1) and (2):

  本发明提供了一种线性热膨胀系数小、吸水性低的树脂。该树脂的特点是至少包括一种结构，这些结构选自以下通式（1）和（2）所代表的结构：
• Rathore R., Bosch E., Kochi J. K., Tetrahedron, 50 (1994) N 23, S 6727- 6758
  作者：Rathore R., Bosch E., Kochi J. K.

  DOI：——

  日期：——
• POLY(ARYLENE ETHER) COMPOSITION AND METHOD
  申请人：Yeager Gary William

  公开号：US20080076884A1

  公开（公告）日：2008-03-27

  A composition containing a solvent and a soluble poly(arylene ether) copolymer is described. The poly(arylene ether) copolymer is the product of oxidative polymerization of monomers including a first monohydric phenol having identical substituents in the 2- and 6-positions, and a second monohydric phenol having different substituents in the 2- and 6-positions. The monomers are free of ethylenic unsaturation. The solvent may be a ketone, a dialkylamide, a dialkyl ether, an aromatic hydrocarbon, a chlorinated hydrocarbon, an alkyl alkanoate, an alkyl cyanide, a dialkyl sulfoxide, or a mixture thereof. The poly(arylene ether) has a solubility in the composition of at least 10 grams per kilogram of composition at 25° C.
• POLY(ARYLENE ETHER) COPOLYMER
  申请人：Yeager Gary William

  公开号：US20080085989A1

  公开（公告）日：2008-04-10

  A poly(arylene ether) copolymer is formed by oxidative copolymerization of monomers including 2,6-dimethylphenol and a phenyl-substituted monohydric phenol having a particular structure. In some instances, the monomers also include 2-methylphenol and/or 2,2-bis(3,5-dimethyl-4-hydroxy)propane. The poly(arylene ether) copolymer is much more soluble than a homopolymer of 2,6-dimethylphenol, and it can be dissolved at room temperature in a wide variety of solvents. The resulting solutions can be used to conveniently add the poly(arylene ether) copolymer to a thermoset composition.
• NOVEL ESTER GROUP-CONTAINING TETRACARBOXYLIC ACID DIANHYDRIDE, NOVEL POLYESTERIMIDE PRECURSOR DERIVED THEREFROM, AND POLYESTERIMIDE
  申请人：Hasegawa Masatoshi

  公开号：US20090306329A1

  公开（公告）日：2009-12-10

  Provided are a polyimide that demonstrates low coefficient of hygroscopic expansion and low water absorption coefficient when used as an insulation film, as well as an ester group-containing tetracarboxylic acid dianhydride expressed by the general formula below, and a novel polyesterimide precursor derived therefrom and polyesterimide, for use in the production of such polyimide: In the formula, each R is independent and represents a straight or branched-chain alkyl group with 1 to 6 carbon atoms or straight or branched-chain alkoxyl group with 1 to 6 carbon atoms, n is an integer of 0 to 4, and m is an integer of 2 to 4, with the proviso that if m=2, n is an integer of 1 to 4.