2,2'-(2,5-dimethyl-1,4-phenylenedioxy)diethanol

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: 2,2'-(2,5-dimethyl-1,4-phenylenedioxy)diethanol
• 英文别名: 2-[4-(2-Hydroxyethoxy)-2,5-dimethylphenoxy]ethanol
• 化学式: C₁₂H₁₈O₄
• 分子量: 226.273
• InChiKey: JSQMFVRABLPDHI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  16
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  58.9
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  2,2'-(2,5-dimethyl-1,4-phenylenedioxy)diethanol 在 甲醇 、 氢氧化钾 、 溶剂黄146 作用下， 生成 6,9-Dimethyl-1,4-dioxa-spiro[4.5]deca-6,9-dien-8-one
  参考文献：
  名称：

  醌单缩酮的光化学重排

  摘要：

  我们已经研究了15种以上的醌环单缩酮的光化学，这些缩酮是通过二甲基缩酮的二醇交换，Swenton氧化/水解或直接缩酮化制备的。它们在酸性介质中的反应通常通过环己二烯酮光化学（di-π-甲烷）重排的经典机理来解释：将光环化为质子化的环丙烷-氧化烯丙基化，然后进行溶剂分解。该反应路径在水解后提供β-羧基取代的环戊烯酮。在醌单缩酮的β-位具有取代基时，适度的重排选择性有利于更多取代的烯烃产物。在醌单缩酮的α-位上具有取代基的情况下，重排选择性强烈倾向于较少取代的烯烃产物。

  DOI：

  10.1016/0040-4020(96)00207-4
• 作为产物：
  描述：

  碳酸乙烯酯 、 2,5-dimethylhydroquinone 在 sodium hydride 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 以63%的产率得到2,2'-(2,5-dimethyl-1,4-phenylenedioxy)diethanol
  参考文献：
  名称：

  醌单缩酮的光化学重排

  摘要：

  我们已经研究了15种以上的醌环单缩酮的光化学，这些缩酮是通过二甲基缩酮的二醇交换，Swenton氧化/水解或直接缩酮化制备的。它们在酸性介质中的反应通常通过环己二烯酮光化学（di-π-甲烷）重排的经典机理来解释：将光环化为质子化的环丙烷-氧化烯丙基化，然后进行溶剂分解。该反应路径在水解后提供β-羧基取代的环戊烯酮。在醌单缩酮的β-位具有取代基时，适度的重排选择性有利于更多取代的烯烃产物。在醌单缩酮的α-位上具有取代基的情况下，重排选择性强烈倾向于较少取代的烯烃产物。

  DOI：

  10.1016/0040-4020(96)00207-4

文献信息

• Black ink composition and ink jet recording method
  申请人：Yabuki Yoshiharu

  公开号：US20070139499A1

  公开（公告）日：2007-06-21

  A black ink composition comprises a water soluble dye containing a single compound showing an absorption maximum at 440 to 540 nm with a half-value width of 90 nm to 200 nm for a visible region absorption spectrum in water.
• Black Ink Composition, Ink Set Containing the Same, and Ink Jet Recording Method
  申请人：Ogawa Manabu

  公开号：US20070240608A1

  公开（公告）日：2007-10-18

  A black ink composition is provided and contains at least two coloring materials, water and additives, wherein the coloring material on the short wave side of the two coloring materials is a water-soluble dye having 3 or more azo groups in one molecule and a naphthalene skeleton, and the additives are selected from the group consisting of a bronzing inhibitor and an ozone resisting improver.
• Ink Set and Ink Jet Recording Method
  申请人：Wachi Naotaka

  公开号：US20080043078A1

  公开（公告）日：2008-02-21

  An ink set comprising a yellow ink containing at least one yellow dye, a magenta ink containing at least one magenta dye, a cyan ink containing at least one cyan dye and a black ink containing at least two kinds of dyes as a minimum constituent element, in which an oxidation potential for each of the yellow dye, the magenta dye and the cyan dye is more electropositive than 0.8 V (vs SCE) and/or each of the inks is an azo dye containing at least one heterocyclic ring in a molecule or a phthalocyanine dye containing at least one heterocyclic ring in a molecule, and the black ink contains a water soluble long wavelength dye L and a water soluble short wavelength dye S having three or more azo groups in one molecule and having a naphthalene skeleton, and a ink jet recording method utilizing the ink set.
• Black Ink Composition, Ink Set Containing the Same, and Ink Jek Recording Method
  申请人：Ikeda Kenji

  公开号：US20080043079A1

  公开（公告）日：2008-02-21

  Black ink compositions are provided. First embodiment contains a water-soluble long-wavelength dye L and a water-soluble short-wavelength dye S, in which the water-soluble short-wavelength dye S has 3 or more azo groups per molecule and a naphthalene skeleton. Second embodiment contains a water-soluble short-wavelength dye S whose absorption spectrum in aqueous solvent has a maximum between 440 nm and 540 nm and a half-band width of 90 to 200 nm and a water-soluble long-wavelength dye L whose absorption spectrum in aqueous solvent has a maximum between 550 nm and 700 nm and a half-band width of 100 nm or more. Third embodiment contains water, a water-miscible organic solvent, and a coloring material, in which C. I. Direct Red 84 is contained as a water-soluble short-wavelength dye S.
• US7503966B2
  申请人：——

  公开号：US7503966B2

  公开（公告）日：2009-03-17