4,5-二羟基邻苯二甲酸 | 63958-66-7

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 4,5-二羟基邻苯二甲酸
• 英文名称: 4,5-dihydroxyphthalic acid
• 英文别名: 4,5-Dihydroxyphthalate；4,5-dihydroxy-phthalic acid；4,5-Dihydroxy-phthalsaeure；4.5-Dioxy-benzol-dicarbonsaeure-(1.2)；Brenzcatechin-dicarbonsaeure-(4.5)；Normetahemipinsaeure
• CAS: 63958-66-7
• 化学式: C₈H₆O₆
• 分子量: 198.132
• InChiKey: YZBCICVNBHNLTK-UHFFFAOYSA-N

物化性质

• 沸点：
  535.8±50.0 °C(Predicted)
• 密度：
  1.779±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.3
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  115
• 氢给体数：
  4
• 氢受体数：
  6

安全信息

• 海关编码：
  2918290000

反应信息

• 作为反应物：
  描述：

  4,5-二羟基邻苯二甲酸 生成 4,5-dihydroxy-phthalic acid-anhydride
  参考文献：
  名称：

  Brueck, Chemische Berichte, 1901, vol. 34, p. 2741

  摘要：

  DOI：
• 作为产物：
  描述：

  4-羟基邻苯二甲酸 在 氢氧化钾 、 溴 、 溶剂黄146 作用下， 生成 4,5-二羟基邻苯二甲酸
  参考文献：
  名称：

  Tomita, Yakugaku Zasshi/Journal of the Pharmaceutical Society of Japan, 1932, vol. 52, p. 889,898, 899; dtsch. Ref. S. 139, 141

  摘要：

  DOI：

文献信息

• BRANCHED FLUORINE-CONTAINING COMPOUND
  申请人：DAIKIN INDUSTRIES, LTD.

  公开号：US20190256457A1

  公开（公告）日：2019-08-22

  A novel branched fluorine-containing compound represented by formula (1): (Rf—Y n1 LX-A) n2 (1) wherein L represents a predetermined carbon-containing linker moiety; Rf, in each occurrence, is the same or different and represents fluoroalkyl optionally having at least one ether bond; Y, in each occurrence, is the same or different and represents a predetermined divalent linking group or a bond; R Y , in each occurrence, is the same or different and represents hydrogen or an organic group; L represents an (n1+n2)-valent carbon-containing linker moiety having at least one carbon atom; n1 represents a number greater than or equal to 1; n2 represents a number greater than or equal to 1; n1+n2 is a number from 3 to 6; X, in each occurrence, is the same or different and represents a divalent linking group or a bond; A, in each occurrence, is the same or different and represents —ArSO 3 M or the like; M, in each occurrence, is the same or different and represents hydrogen, —NR 4 , or a metal salt; and R represents hydrogen or a C 1-4 organic group.

  一种新的分支型含氟化合物，其化学式为(1)：(Rf—Yn1LX-A)n2(1)。其中，L代表预定的含碳连接基；Rf在每次出现时相同或不同，代表含氟烷基，可选地具有至少一个醚键；Y在每次出现时相同或不同，代表预定的二价连接基或键；RY在每次出现时相同或不同，代表氢或有机基；L代表具有至少一个碳原子的(n1+n2)-价含碳连接基；n1代表大于或等于1的数字；n2代表大于或等于1的数字；n1+n2是3到6的数字；X在每次出现时相同或不同，代表二价连接基或键；A在每次出现时相同或不同，代表—ArSO3M或类似物；M在每次出现时相同或不同，代表氢、—NR4或金属盐；R代表氢或C1-4有机基。
• INCLUSION COMPLEX CONTAINING EPOXY RESIN COMPOSITION FOR SEMICONDUCTOR ENCAPSULATION
  申请人：Ono Kazuo

  公开号：US20100179250A1

  公开（公告）日：2010-07-15

  It is to improve the storage stability of a sealant, to retain the flowability of the sealant when sealing, and to achieve an effective curing rate of the sealant by heating to be applicable as a sealant for delicate semiconductors. It is an epoxy resin composition for sealing a semiconductor, comprising the following component (A) and component (B). (A) an epoxy resin, (B) a clathrate complex comprising (b1) an aromatic carboxylic acid compound, and (b2) at least one imidazole compound represented by formula (II) (wherein R 2 represents a hydrogen atom, etc.; R 3 to R 5 represent a hydrogen atom, etc.).

  这是为了改善密封剂的储存稳定性，保持密封时密封剂的流动性，并通过加热实现密封剂的有效固化速率，以适用于精细半导体的密封剂。它是一种用于密封半导体的环氧树脂组合物，包括以下组分（A）和组分（B）。（A）环氧树脂，（B）包括（b1）芳香羧酸化合物和（b2）至少一种由式（II）表示的咪唑化合物的笼形复合物（其中R2表示氢原子等；R3至R5表示氢原子等）。
• MICROORGANISMS AND METHODS FOR THE BIOSYNTHESIS OF AROMATICS, 2,4-PENTADIENOATE AND 1,3-BUTADIENE
  申请人：Osterhout Robin E.

  公开号：US20120021478A1

  公开（公告）日：2012-01-26

  The invention provides non-naturally occurring microbial organisms having a toluene, benzene, p-toluate, terephthalate, (2-hydroxy-3-methyl-4-oxobutoxy)phosphonate, (2-hydroxy-4-oxobutoxy)phosphonate, benzoate, styrene, 2,4-pentadienoate, 3-butene-1ol or 1,3-butadiene pathway. The invention additionally provides methods of using such organisms to produce toluene, benzene, p-toluate, terephthalate, (2-hydroxy-3-methyl-4-oxobutoxy)phosphonate, (2-hydroxy-4-oxobutoxy)phosphonate, benzoate, styrene, 2,4-pentadienoate, 3-butene-1ol or 1,3-butadiene.

  本发明提供了一种非自然出现的微生物有甲苯、苯、对甲苯酸、对苯二甲酸、(2-羟基-3-甲基-4-氧代丁氧基)膦酸酯、(2-羟基-4-氧代丁氧基)膦酸酯、苯甲酸、苯乙烯、2,4-戊二烯酸、3-丁烯-1-醇或1,3-丁二烯代谢途径。此外，本发明还提供了使用这些微生物制备甲苯、苯、对甲苯酸、对苯二甲酸、(2-羟基-3-甲基-4-氧代丁氧基)膦酸酯、(2-羟基-4-氧代丁氧基)膦酸酯、苯甲酸、苯乙烯、2,4-戊二烯酸、3-丁烯-1-醇或1,3-丁二烯的方法。
• PROCESS OF BIOLOGICALLY PRODUCING TEREPHTHALIC ACID AND DERIVATIVE THEREOF
  申请人：Samsung Electronics Co., Ltd.

  公开号：US20140155570A1

  公开（公告）日：2014-06-05

  A method of biologically producing an terephthalic acid or a derivative thereof by contacting a substrate containing an aromatic carboxylic acid with a biocatalyst that adds a carboxyl group at the para-position of the aromatic carboxylic acid.

  通过将含有芳香羧酸的底物与能在芳香羧酸的对位添加羧基的生物催化剂接触，生物学地生产对苯二甲酸或其衍生物的方法。
• Cis-4,5-dihydro-4,5-dihydroxyphthalic acid and its salts, and process for producing the same
  申请人：JAPAN SYNTHETIC RUBBER CO., LTD.

  公开号：EP0360407A1

  公开（公告）日：1990-03-28

  Cis-4,5-dihydro-4,5-dihydroxyphthalic acid and its salts are novel compounds, and are useful as a starting monomer for various polymers and also as an intermediate for synthesis. They can be produced from phthalic acid, its salts or their mixture using a microorganism belonging to the Pseudomonas genus whose activity to decompose cis-4,5-dihydro-4,5-dihydroxy­phthalic acid, its salts or all of them has disappeared or diminished.

  Cis-4,5-二氢-4,5-二羟基邻苯二甲酸及其盐是新型化合物，可用作各种聚合物的起始单体，也可用作合成的中间体。它们可以通过使用属于假单胞菌属的微生物从邻苯二甲酸、其盐或它们的混合物中生产出来，该微生物的分解Cis-4,5-二氢-4,5-二羟基邻苯二甲酸，其盐或所有这些物质的活性已经消失或减弱。