Dibenzothiophen-1,2-dicarboxylic acid | 127073-99-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并噻吩类
• 英文名称: Dibenzothiophen-1,2-dicarboxylic acid
• 英文别名: Dibenzothiophene-1,2-dicarboxylic acid
• CAS: 127073-99-8
• 化学式: C₁₄H₈O₄S
• 分子量: 272.281
• InChiKey: VYVZQLUQIJAVLK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  19
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  103
• 氢给体数：
  2
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  Dimethyl 3,4-dihydrodibenzothiophen-1,2-dicarboxylate 在 palladium on activated charcoal 氢氧化钾 作用下， 以 甲醇 、 xylene 为溶剂， 反应 8.0h， 生成 Dibenzothiophen-1,2-dicarboxylic acid
  参考文献：
  名称：

  Ghosh, Arindam; Maiti, Swaraj B.; Chatterjee, Amareshwar, Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1989, vol. 28, # 1-11, p. 724 - 727

  摘要：

  DOI：

文献信息

• MODIFIER FOR AROMATIC POLYESTER AND AROMATIC POLYESTER RESIN COMPOSITION COMPRISING THE SAME
  申请人：TABATA Masayoshi

  公开号：US20110224343A1

  公开（公告）日：2011-09-15

  The present invention provides a modifier for aromatic polyesters which enhances the melt fluidity of aromatic polyesters without a significant decrease in the heat resistance of the aromatic polyesters, and an aromatic polyester resin composition including the modifier for aromatic polyesters. The present invention relates to a modifier for aromatic polyesters comprising polyhydric phenol residues and residues of aromatic polycarboxylic acid, acid halide or acid anhydride thereof, and the modifier comprises a material having a structure composed of a first residue selected from the group consisting of divalent residues represented by Formula (I): —Ar—W 1 x —Ar— and by Formula (II): —Ar—, the first residues being bonded to two identical or different second residues selected from the group consisting of monovalent residues represented by Formula (III): and monovalent residues represented by Formula (IV): —O—C(O)—R 7 —.

  本发明提供了一种用于芳香族聚酯的改性剂，可以增强芳香族聚酯的熔融流动性，而不明显降低芳香族聚酯的耐热性，以及包括该改性剂的芳香族聚酯树脂组合物。本发明涉及一种用于芳香族聚酯的改性剂，包括多羟基酚残基和芳香族多羧酸、酸卤或其酸酐残基，该改性剂包括具有以下结构的材料：第一残基，选择自由式(I)所代表的二价残基：—Ar—W1x—Ar—和自由式(II)所代表的：—Ar—，第一残基与选择自由式(III)所代表的单价残基：和自由式(IV)所代表的单价残基：—O—C(O)—R7—的两个相同或不同的第二残基结合。
• PROCESS FOR THE SYNTHESIS OF AROMATIC DICARBOXYLIC ACIDS
  申请人：UOP LLC

  公开号：US20210094928A1

  公开（公告）日：2021-04-01

  A method is provided for synthesizing an aromatic carboxylic acid compound comprising providing an aromatic compound or an aromatic compound with at least one carboxylic group; providing a metal hydroxide and at least one carboxylate to produce a mixture; and adding carbon dioxide to the mixture under pressures from about atmospheric to 1000 psig and sufficient heat for a time sufficient to produce aromatic carboxylic acid compounds. The aromatic carboxylic acid compounds may include terephthalic acid, naphthalic acid, thiophene dicarboxylic acid, pyridine dicarboxylic acid, carbazole dicarboxylic acid, and dibenzothiophene dicarboxylic acid.

  提供一种合成芳香羧酸化合物的方法，包括提供一种芳香化合物或者至少含有一个羧基的芳香化合物；提供一种金属羟基和至少一种羧酸盐以产生混合物；并在大约大气压至1000磅力/平方英寸的压力下向混合物中添加二氧化碳，并加入足够的热量进行足够的时间，以产生芳香羧酸化合物。芳香羧酸化合物可能包括对苯二甲酸、萘甲酸、噻吩二羧酸、吡啶二羧酸、咔唑二羧酸和二苯并噻吩二羧酸。
• Resin composition and molded product
  申请人：DAINIPPON INK AND CHEMICALS, INC.

  公开号：EP1347015A1

  公开（公告）日：2003-09-24

  A resin composition is provided containing a polyarylene sulfide, and an aromatic polyester with a higher glass transition temperature than the polyarylene sulfide and represented by a general formula (1) shown below: wherein, Ar represents either an aromatic ring or a heterocyclic ring; R1 to R4 each represent a hydrogen atom or an alkyl group of 1 to 8 carbon atoms, which may be the same or different, provided that at least one of these groups is an alkyl group of 1 to 8 carbon atoms; Y represents a single bond, a bivalent hydrocarbon group of 1 to 12 carbon atoms which may incorporate a hetero atom, an oxygen atom, a sulfur atom, etc.; and n is an integer representing the number of repeating units), as well as a molded product produced using such a composition.

  一种树脂组合物含有聚芳基硫醚和玻璃化温度高于聚芳基硫醚的芳香族聚酯，其通式 (1) 如下所示： 其中，Ar 代表芳香环或杂环；R1 至 R4 分别代表氢原子或 1 至 8 个碳原子的烷基，它们可以相同或不同，条件是这些基团中至少有一个是 1 至 8 个碳原子的烷基；Y 代表单键、1 至 12 个碳原子的二价烃基，其中可以包含杂原子、氧原子、硫原子等。n是代表重复单元数目的整数），以及使用这种组合物生产的模塑产品。
• AROMATIC POLYESTER
  申请人：Muroran Institute of Technology

  公开号：EP2479203A1

  公开（公告）日：2012-07-25

  The present invention provides an aromatic polyester which is substantially free from the occurrence of coloration and retains significantly high transparency even after being thermally processed at high temperature and which has high flowability. The aromatic polyester contains a polyhydric phenol residue and a residue of any one of aromatic polycarboxylic acid, halide thereof, and anhydride thereof, and terminals of the aromatic polyester have a structure represented by the formula -C(O)-R. The aromatic polyester has an end-capping rate of 90% or higher and a weight average molecular weight (Mw) ranging from 3,000 to 1,000,000.

  本发明提供了一种芳香族聚酯，该聚酯基本上不会发生着色，即使在高温热加工后仍能保持明显的高透明度，并且具有高流动性。芳香族聚酯含有多羟基苯酚残留物和芳香族多羧酸、其卤化物和其酸酐中任意一种的残留物，芳香族聚酯的端基具有式 -C(O)-R 所代表的结构。芳香族聚酯的端盖率为 90% 或更高，重量平均分子量（Mw）为 3,000 至 1,000,000 之间。
• Process for the synthesis of aromatic dicarboxylic acids
  申请人：UOP LLC

  公开号：US11091454B2

  公开（公告）日：2021-08-17

  A method is provided for synthesizing an aromatic carboxylic acid compound comprising providing an aromatic compound or an aromatic compound with at least one carboxylic group; providing a metal hydroxide and at least one carboxylate to produce a mixture; and adding carbon dioxide to the mixture under pressures from about atmospheric to 1000 psig and sufficient heat for a time sufficient to produce aromatic carboxylic acid compounds. The aromatic carboxylic acid compounds may include terephthalic acid, naphthalic acid, thiophene dicarboxylic acid, pyridine dicarboxylic acid, carbazole dicarboxylic acid, and dibenzothiophene dicarboxylic acid.

  提供了一种合成芳香族羧酸化合物的方法，包括提供一种芳香族化合物或带有至少一个羧基的芳香族化合物；提供一种金属氢氧化物和至少一种羧酸盐以产生一种混合物；在大约大气压至 1000 psig 的压力和足够的热量下，在足够的时间内向混合物中加入二氧化碳以产生芳香族羧酸化合物。芳香族羧酸化合物可包括对苯二甲酸、萘二甲酸、噻吩二羧酸、吡啶二羧酸、咔唑二羧酸和二苯并噻吩二羧酸。