Pyrogallol-2-ethyl-ether | 55020-70-7

• 分子结构分类: 有机化合物 - 苯类化合物 - 酚类
• 英文名称: Pyrogallol-2-ethyl-ether
• 英文别名: 2-ethoxy-resorcinol；2-O-Aethyl-pyrogallol；2.6-Dihydroxy-1-aethoxy-benzol；Aethyl-(2.6-dihydroxy-phenyl)-aether；2-Aethoxy-resorcin；2-Ethoxybenzene-1,3-diol
• CAS: 55020-70-7
• 化学式: C₈H₁₀O₃
• 分子量: 154.166
• InChiKey: LCSYBHAMRRYYLC-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.5
• 重原子数：
  11
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  49.7
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  Pyrogallol-2-ethyl-ether 、 乙酸酐 在 硫酸 作用下， 生成 1,3-diacetoxy-2-ethoxy-benzene
  参考文献：
  名称：

  de Lestrange, Bulletin de la Societe Chimique de France, 1935, vol. <5> 2, p. 1678,1681

  摘要：

  DOI：
• 作为产物：
  描述：

  硫酸二乙酯 、 邻苯三酚 在 sodium hydroxide 作用下， 生成 Pyrogallol-2-ethyl-ether 、 alkaline earth salt of/the/ methylsulfuric acid
  参考文献：
  名称：

  de Lestrange, Bulletin de la Societe Chimique de France, 1935, vol. <5> 2, p. 1678,1681

  摘要：

  DOI：

文献信息

• [EN] PREPARATION PROCESS OF ORTHO ALKOXY BISPHENOL MONOMERS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE MONOMÈRES D'ORTHOALCOXY BISPHÉNOL
  申请人：UNIV LEUVEN KATH

  公开号：WO2019002503A1

  公开（公告）日：2019-01-03

  A process for making ortho alkoxy bisphenol monomers includes contacting an (alk-1-enyl)alkoxyphenol (type 1) with an alkoxyphenol (type 2) in the presence of an acidic catalyst. Both type of renewable phenols (type 1 and 2) can be generated from lignocellulosic biomass. The use of such alkoxy phenols as a precursor to bisphenol monomers has the potential to reduce the cost and environmental impact of structural materials, while meeting or exceeding the performance of current petroleum-derived polymers, such as thermoplastics and thermoset resins.

  制备邻烷氧基双酚单体的过程包括将（烯基）烷氧基酚（类型1）与烷氧基酚（类型2）在酸性催化剂存在下接触。这两种可再生酚（类型1和2）均可从木质纤维素生物质中生成。将这种烷氧基酚用作双酚单体的前体有潜力降低结构材料的成本和环境影响，同时满足或超越当前石油衍生聚合物（如热塑性塑料和热固性树脂）的性能。
• METHOD FOR STORING DIHYDROXY COMPOUND TO BE USED AS STARTING MATERIAL FOR POLYCARBONATE, METHOD FOR PREPARING STARTING MATERIAL FOR POLYCARBONATE AND METHOD FOR PRODUCING POLYCARBONATE
  申请人：Mitsubishi Chemical Corporation

  公开号：EP2354175A1

  公开（公告）日：2011-08-10

  A subject for the invention is to provide a method of production for stably producing a polycarbonate excellent in transparency, color tone, heat resistance, moldability, and mechanical strength and having excellent optical properties. The invention relates to a method of producing a polycarbonate from a dihydroxy compound ingredient including at least a dihydroxy compound having the structure represented by the following formula (1) in the molecule and from a carbonic acid diester, the method including mixing the dihydroxy compound having the structure represented by the following formula (1) in the molecule with the carbonic acid diester in a molten state at a temperature of from 70°C to 240°C and a pressure of from 0.06 MPa to 0.20 MPa for a period of from 0.5 hours to 30 hours and then causing a transesterification reaction to proceed at a pressure lower than 0.06 MPa to produce a polycarbonate,         [Chem. 1] -CH2-O-     (1) (provided that the structure of formula (1) in which the oxygen atom is bonded to a hydrogen atom is excluded).

  本发明的目的是提供一种生产方法，以稳定地生产出透明度、色调、耐热性、成型性和机械强度优异且光学性能优良的聚碳酸酯。本发明涉及一种用二羟基化合物配料生产聚碳酸酯的方法，该二羟基化合物配料包括至少一种分子中具有下式（1）所代表结构的二羟基化合物和一种碳酸二酯，该方法包括将分子中具有下式（1）所代表结构的二羟基化合物与碳酸二酯在熔融状态下混合，混合温度为 70°C 至 240°C，压力为 0.06 兆帕至 0.20 兆帕，时间为 0.5 小时至 30 小时，然后在低于 0.06 兆帕的压力下进行酯交换反应，生成聚碳酸酯、 [化学 1] -CH2-O- (1) (但不包括氧原子与氢原子成键的式(1)结构）。
• POLYCARBONATE RESIN, POLYCARBONATE RESIN COMPOSITION, OPTICAL FILM, AND POLYCARBONATE RESIN MOLDED ARTICLE
  申请人：Mitsubishi Chemical Corporation

  公开号：EP2371877A1

  公开（公告）日：2011-10-05

  An object of the invention is to provide polycarbonate resins containing a specific end group and having excellent heat resistance and transparency, and compositions which contain the polycarbonate resins. The invention relates to a polycarbonate resin obtained by the polycondensation of a dihydroxy compound having a linking structure of the following structural formula (1) with a carbonic diester, characterized by containing one or more end groups each represented by the following structural formula (2). (No hydrogen atom is bonded to the oxygen atom contained in structural formula (1).)

  本发明的目的是提供含有特定端基并具有优异耐热性和透明度的聚碳酸酯树脂，以及含有该聚碳酸酯树脂的组合物。本发明涉及一种聚碳酸酯树脂，它是由具有以下结构式（1）连接结构的二羟基化合物 与碳酸二酯缩聚而成，其特征是含有一个或多个由以下结构式（2）表示的端基。 (结构式(1)中所含的氧原子上没有键合氢原子)。
• Polycarbonate resins, polycarbonate resin compositions, optical film, and polycarbonate resin molded articles
  申请人：MITSUBISHI CHEMICAL CORPORATION

  公开号：EP2789640A1

  公开（公告）日：2014-10-15

  The present invention relates to a polycarbonate resin which contains at least constituent units derived from a dihydroxy compound having a linking structure of the following structural formula (1), characterized in that the content therein of an aromatic monohydroxy compound which may have an alkyl group having 5 or less carbon atoms is 700 ppm or less and the content therein of the dihydroxy compound having a linking structure of structural formula (1) is 60 ppm or less, wherein no hydrogen atom is bonded to the oxygen atom contained in structural formula (1).

  本发明涉及一种聚碳酸酯树脂，该树脂至少含有由具有以下结构式（1）连接结构的二羟基化合物衍生的组成单元，其特征在于其中芳香族单羟基化合物的含量为 700 ppm 或更少，该芳香族单羟基化合物可能具有 5 个或更少碳原子的烷基，而具有结构式（1）连接结构的二羟基化合物的含量为 60 ppm 或更少、 其中没有氢原子与结构式（1）中所含的氧原子键合。
• PREPREG RESIN COMPOSITION, PREPREG, AND MOLDED ARTICLE
  申请人：DIC Corporation

  公开号：EP3689950A1

  公开（公告）日：2020-08-05

  Provided is a prepreg resin composition, containing: a urethane (meth)acrylate (A) that is a reaction product of polyisocyanate (a1), polyol (a2), and hydroxy alkyl (meth)acrylate (a3); and a polymerization initiator (B), as an essential component, in which the polyisocyanate (a1) is at least one polyisocyanate selected from 2,4'-diphenyl methane diisocyanate, 4,4'-diphenyl methane diisocyanate, a carbodiimide modified product of 4,4'-diphenyl methane diisocyanate, and polymethylene polyphenyl polyisocyanate, and the polyol (a2) has an aromatic-ring and an oxyalkylene structure. The prepreg resin composition of the invention is excellent in workability and molding properties, and is capable of forming a molded article excellent in various physical properties such as external appearance and heat resistance, and thus, can be preferably used in a prepreg and a molded article thereof.

  提供了一种预浸料树脂组合物，其中含有聚氨酯(甲基)丙烯酸酯(A)，它是多异氰酸酯(a1)、多元醇(a2)和羟基烷基(甲基)丙烯酸酯(a3)的反应产物；和聚合引发剂 (B) 作为基本成分，其中多异氰酸酯 (a1) 是至少一种选自 2,4'-二苯基甲烷二异氰酸酯、4,4'-二苯基甲烷二异氰酸酯、4,4'-二苯基甲烷二异氰酸酯的碳化二亚胺改性产物和多亚甲基多苯基多异氰酸酯的多异氰酸酯，多元醇 (a2) 具有芳香环和氧亚烷基结构。本发明的预浸料树脂组合物具有优异的可加工性和成型性能，能够形成各种物理性能（如外观和耐热性）优异的成型品，因此可优先用于预浸料及其成型品中。