2,8-dimethyldibenzo<1,4>dioxin | 139457-91-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并二恶英
• 英文名称: 2,8-dimethyldibenzo<1,4>dioxin
• 英文别名: 2,8-dimethyl-dibenzo[1,4]dioxine；2,8-Dimethyl-dibenzo-p-dioxin；2,8-dimethyldibenzo-p-dioxin
• CAS: 139457-91-3
• 化学式: C₁₄H₁₂O₂
• 分子量: 212.248
• InChiKey: CJPKVRYHWJTPOL-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  16
• 可旋转键数：
  0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.14
• 拓扑面积：
  18.5
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  3,4-二羟基甲苯 、 alkaline earth salt of/the/ methylsulfuric acid 在 potassium carbonate 作用下， 生成 2,8-dimethyldibenzo<1,4>dioxin 、 2,7-dimethyldibenzo<1,4>dioxin
  参考文献：
  名称：

  通过铁配合物合成二苯并[ b，e ] [1,4]二恶英衍生物，并通过定向金属化进一步官能化

  摘要：

  之间（环戊二烯基）双亲核芳族取代反应（η 6 -1,2-二氯苯）铁（1 +）盐和取代的1,2benzenediols已在温和的条件下进行的，以制备[η 6 -二苯并[ b，ë ] [在1或2位上被烷基，醛，羧酸，甲氧羰基，羧酰胺或羟基官能化的1,4]二恶英]铁（1 +）配合物。3-甲基-和4-甲基- （η 6用取代的1，2-苯二醇处理-1,2-二氯苯）铁配合物以实现杂环的两个芳环的官能化。通常通过用紫外线照射来释放二苯并二恶英配体。用烷基锂试剂对游离的官能化二苯并二恶英进行直接去质子化，然后用各种亲电试剂淬灭，得到进一步的衍生物，包括两个新的异吲哚酮体系。

  DOI：

  10.1016/0022-328x(91)86467-5

文献信息

• AROMATIC POLYACETALS AND ARTICLES COMPRISING THEM
  申请人：DOW GLOBAL TECHNOLOGIES LLC

  公开号：US20150025278A1

  公开（公告）日：2015-01-22

  A polymer includes repeat units having the structure wherein R 1 , R 2 , Ar 1 , Ar 2 , and Ar 3 are defined herein. The polymer can be prepared by Suzuki polycondensation. The acetal and/or ketal functionality in the polymer backbone make the backbone-cleavable in acid. The polymer is useful in applications including lithographic photoresists.

  一种聚合物包括重复单元，其结构为其中R1，R2，Ar1，Ar2和Ar3如本文所定义。该聚合物可以通过铃木缩合反应制备。聚合物主链中的缩醛和/或缩酮官能团使得主链在酸性环境下可被断裂。该聚合物在包括光刻胶在内的应用中具有用途。
• Fluorinated Dicarboxylic Acid Derivative and Polymer Obtained Therefrom
  申请人：Isono Yoshimi

  公开号：US20110301305A1

  公开（公告）日：2011-12-08

  According to the present invention, a polymer is obtained by polycondensation of a fluorinated dicarboxylic acid derivative of the general formula (M-1) or an acid anhydride of the fluorinated dicarboxylic acid with a polyfunctional compound having two to four reactive groups corresponding in reactivity to carbonyl moieties of the fluorinated dicarboxylic acid derivative or acid anhydride. [Chem. 134] AOCF 2 C-Q-CF 2 COA′  (M-1) In the above formula, Q represents a divalent organic group having a substituted or unsubstituted aromatic ring; and A and A′ each independently represent an organic group. This polymer exhibits a sufficiently low dielectric constant for use as a semiconductor protection film and has the capability of forming a film at a relatively low temperature of 250° C. or lower.

  根据本发明，通过将通式(M-1)的含氟二羧酸衍生物或含氟二羧酸酸酐与具有与含氟二羧酸衍生物或酸酐的羰基部分相对应的两到四个反应性基团的多官能化合物进行聚合缩合反应，可以得到一种聚合物。[Chem. 134]AOCF2C-Q-CF2COA′  (M-1)在上述公式中，Q代表具有取代或未取代芳香环的二价有机基团; A和A'各自独立地表示有机基团。该聚合物表现出足够低的介电常数，可用作半导体保护膜，并具有在相对较低的温度下（250℃或更低）形成膜的能力。
• Organic electroluminescence device
  申请人：UDC Ireland

  公开号：US10454042B2

  公开（公告）日：2019-10-22

  An object of the present invention is to provide an organic electroluminescence device having excellent light emission efficiency and durability, in particular, durability when driving at a high temperature. Provided is an organic electroluminescence device including on a substrate a pair of electrodes, and at least one layer of an organic layer including a light emitting layer containing a light emitting material disposed between the electrodes, wherein the light emitting layer includes at least each one of specific indolocarbazole derivatives and specific condensed ring metal complexes.

  本发明的目的是提供一种有机电致发光器件，该器件具有优异的发光效率和耐用性，特别是在高温驱动时的耐用性。本发明提供了一种有机电致发光器件，包括在基底上的一对电极，以及至少一层有机层，该有机层包括设置在电极之间的包含发光材料的发光层，其中发光层包括特定吲哚咔唑衍生物和特定缩合环金属配合物中的至少一种。
• COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENT AND ORGANIC ELECTROLUMINESCENT ELEMENT
  申请人：Nippon Steel Chemical Co., Ltd.

  公开号：EP1956022B1

  公开（公告）日：2012-07-25
• CROSSLINKABLE PREPOLYMER, ITS PRODUCTION PROCESS AND ITS USES
  申请人：Ito Masahiro

  公开号：US20090081376A1

  公开（公告）日：2009-03-26

  To provide a prepolymer which is excellent in heat resistance and which can form a cured product excellent in oil repellency and water repellency. A crosslinkable prepolymer having a polyaryl ether structure on its main chain, which has a crosslinkable functional group and a side chain represented by “Rf—CH 2 —O—” wherein Rf is a C 3-50 fluorinated alkyl group (which may contain an oxygen atom forming an ether bond)).