thiophene-2,5-dicarboxylic acid diphenyl ester | 125797-22-0

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚酯
• 英文名称: thiophene-2,5-dicarboxylic acid diphenyl ester
• 英文别名: Thiophen-2,5-dicarbonsaeure-diphenylester；diphenyl thiophene-2,5-dicarboxylate
• CAS: 125797-22-0
• 化学式: C₁₈H₁₂O₄S
• 分子量: 324.357
• InChiKey: REUYNFSPUJTESQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.1
• 重原子数：
  23
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  80.8
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  2,5-双(氯甲基)噻吩 在 吡啶 、 氢氧化钾 、 potassium permanganate 、 氯化亚砜 、 苯 作用下， 生成 thiophene-2,5-dicarboxylic acid diphenyl ester
  参考文献：
  名称：

  Griffing; Salisbury, Journal of the American Chemical Society, 1948, vol. 70, p. 3416,3418

  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。
• Production of thiophene-2,5-dicarboxylic acid diesters and tetrahydrothiophene-2,5-dicarboxylic acid diesters
  申请人：SUMITOMO SEIKA CHEMICALS CO., LTD.

  公开号：EP0387725A2

  公开（公告）日：1990-09-19

  There is disclosed a method of producing a thiophene-2,5-dicarboxylic acid diester represented by the formula wherein R represents an alkyl of 1-8 carbons, a phenyl, a substituted phenyl or benzyl, which comprises: halogenating a tetrahydrothiophene-2,5-dicarboxylic acid diester represented by the formula wherein R is the same as before, with a halogenating agent selected from the group consisting of halogens and sulfuryl halides in an amount of 2-4 moles per mole of the tetrahydrothiophene-2,5-dicarboxylic acid diester; and then dehydrohalogenating the resultant halogenated tetrahydrothiophene-2,5-dicarboxylic acid diester in the presence of an alcohol, a base, a metal or a metal ion. There is also disclosed a method of producing tetrahydrothiophene-2,5-dicarboxylic acid diester and dibenzoxazolyl thiophenes. Some of the thiophene-2,5-dicarboxylic acid diesters and tetrahydrothiophene-2,5-dicarboxylic acid diesters are novel.

  本发明公开了一种生产噻吩-2,5-二羧酸二酯的方法，其式为 其中R代表1-8个碳的烷基、苯基、取代苯基或苄基，该方法包括：卤化由式表示的四氢噻吩-2,5-二羧酸二酯 用从卤素和硫酰卤组成的组中选出的卤化剂，以每摩尔四氢噻吩-2,5-二羧酸二酯 2-4 摩尔的量卤化四氢噻吩-2,5-二羧酸二酯，其中 R 与前述相同；然后 在醇、碱、金属或金属离子存在下，对生成的卤代四氢噻吩-2,5-二甲酸二酯进行脱氢卤化。 还公开了一种生产四氢噻吩-2,5-二羧酸二酯和二苯并恶唑基噻吩的方法。其中一些噻吩-2,5-二羧酸二酯和四氢噻吩-2,5-二羧酸二酯是新型的。
• A method for production of dibenzoxazolyl thiophenes
  申请人：SUMITOMO SEIKA CHEMICALS CO., LTD.

  公开号：EP0719774A1

  公开（公告）日：1996-07-03

  There is disclosed a method of producing a thiophene-2,5-dicarboxylic acid diester represented by the formula wherein R' represents an alkyl of 1-8 carbons, a phenyl, a substituted phenyl or benzyl, which comprises:    halogenating a tetrahydrothiophene-2,5-dicarboxylic acid diester represented by the formula wherein R' is the same as before, with a halogenating agent selected from the group consisting of halogens and sulfuryl halides in an amount of 2-4 moles per mole of the tetrahydrothiophene-2,5-dicarboxylic acid diester; and then    dehydrohalogenating the resultant halogenated tetrahydrothiophene-2,5-dicarboxylic acid diester in the presence of an alcohol, a base, a metal or a metal ion. There is also disclosed a method of producing tetrahydrothiophene-2,5-dicarboxylic acid diester and dibenzoxazolyl thiophenes. Some of the thiophene-2,5-dicarboxylic acid diesters and tetrahydrothiophene-2,5-dicarboxylic acid diesters are novel.

  本发明公开了一种生产噻吩-2,5-二羧酸二酯的方法，其式为 其中R'代表1-8个碳原子的烷基、苯基、取代苯基或苄基，该方法包括 卤化由式表示的四氢噻吩-2,5-二羧酸二酯 用选自卤素和硫酰卤组成的组中的卤化剂，以每摩尔四氢噻吩-2,5-二羧酸二酯 2-4 摩尔的量卤化四氢噻吩-2,5-二羧酸二酯，其中 R'与前述相同；然后 在醇、碱、金属或金属离子存在的情况下，对得到的卤代四氢噻吩-2,5-二羧酸二酯进行脱氢卤化。 还公开了一种生产四氢噻吩-2,5-二羧酸二酯和二苯并恶唑基噻吩的方法。其中一些噻吩-2,5-二羧酸二酯和四氢噻吩-2,5-二羧酸二酯是新型的。
• 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。
• US5093504A
  申请人：——

  公开号：US5093504A

  公开（公告）日：1992-03-03