2,3,4,5-tetrabromobenzoic acid | 27581-13-1

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2,3,4,5-tetrabromobenzoic acid
• CAS: 27581-13-1
• 化学式: C₇H₂Br₄O₂
• 分子量: 437.708
• InChiKey: KVILQONZZZERSG-UHFFFAOYSA-N

物化性质

• 熔点：
  234 °C
• 沸点：
  431.0±45.0 °C(Predicted)
• 密度：
  2.625±0.06 g/cm3(Predicted)
• 溶解度：
  可溶于DMSO（轻微）、甲醇（轻微、加热）

计算性质

• 辛醇/水分配系数(LogP)：
  4.2
• 重原子数：
  13
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2,3,4,5-tetrabromobenzoic acid 在 硫酸 、 硝酸 作用下， 生成 2,3,4,5-tetrabromo-6-nitro-benzoic acid
  参考文献：
  名称：

  van de Bunt, Recueil des Travaux Chimiques des Pays-Bas, 1929, vol. 48, p. 139

  摘要：

  DOI：
• 作为产物：
  描述：

  2-氨基-4-溴苯甲酸 在 氢溴酸 、 sodium nitrite 作用下， 以 水 为溶剂， 反应 5.5h， 生成 2,3,4,5-tetrabromobenzoic acid
  参考文献：
  名称：

  一种2,3,4,5-四溴苯甲酸酯的合成方法

  摘要：

  本发明公开了一种2,3,4,5‑四溴苯甲酸酯的合成方法，包括：将2‑氨基‑4‑溴苯甲酸与液溴啶在氢溴酸存在的条件下生成2‑氨基‑3,4,5‑三溴苯甲酸，再在酸性条件下生成2‑氨基‑3,4,5‑三溴苯甲酸，重氮化得2,3,4,5‑四溴苯甲酸，成酯得到2,3,4,5‑四溴苯甲酸酯。本发明提出一种新的2,3,4,5‑四溴苯甲酸酯的合成方法，原料易得，反应条件温和，选择性和收率高，工艺简单，成本低，可以大规模生产。

  公开号：

  CN111499513B

文献信息

• PROCESS FOR PRODUCING AMINOALKYLSULFONIC ACID AND METHOD OF SALT EXCHANGE FOR SALT THEREOF
  申请人：Wako Pure Chemical Industries, Ltd.

  公开号：EP1548002A1

  公开（公告）日：2005-06-29

  The present invention relates to a method for efficiently producing an aminoalkylsulfonic acid in an industrial scale, and provides    "a process for producing an aminoalkylsulfonic acid represented by the general formula [2]:    wherein R1 and R2 are each independently a hydrogen atom, an alkyl group, an aryl group or an aralkyl group; and R3 and R4 are each independently a hydrogen atom or an alkyl group, comprising reacting an aminoalkylsulfonate salt represented by the general formula [1]:    wherein M is an alkali metal atom, an organic ammonium ion or an ammonium ion; and R1 to R4 are the same as described above,    an aqueous solution thereof, or a solution dissolving any one of them in a water-soluble organic solvent, selected from alcohols having 1 to 3 carbon atoms, carboxylic acids having 2 to 12 carbon atoms and dimethylformamide, with an organic acid; and    a method of salt exchange for an aminoalkylsulfonate salt represented by the general formula [1']:    wherein M' is an alkali metal atom, an organic ammonium ion or an ammonium ion; and R1 and R4 are the same as described above, comprising reacting an aminoalkylsulfonate salt represented by the above general formula [2] with a hydroxide represented by the general formula [6]:         M'OH     [6]    wherein M' is the same as described above, in an alcohol or water".

  本发明涉及一种在工业规模上高效生产氨基磺酸的方法，并提供“一种生产由通式[2]表示的氨基磺酸的方法：其中R1和R2分别是氢原子、烷基、芳基或芳基烷基；R3和R4分别是氢原子或烷基的氨基磺酸盐发生反应所得的方法，通式[1]表示如下：其中M是碱金属原子、有机铵离子或铵离子；R1至R4与上述相同，其水溶液或将任何一种溶解于水溶性有机溶剂中的溶液，所选的有1至3个碳原子的醇、有2至12个碳原子的羧酸和二甲基甲酰胺，与有机酸反应；以及氨基磺酸盐交换的方法，通式[1']表示如下：其中M'是碱金属原子、有机铵离子或铵离子；R1和R4与上述相同，包括将上述通式[2]表示的氨基磺酸盐与通式[6]表示的氢氧化物发生反应：M'OH [6]其中M'与上述相同，在醇或水中”。
• PROCESS FOR PRODUCING ESTER COMPOUND
  申请人：Imazeki Shigeaki

  公开号：US20100324314A1

  公开（公告）日：2010-12-23

  PROBLEM To provide an environmentally-friendly method for producing industrially an ester compound. SOLUTION The present invention is a method for producing an ester compound which comprises subjecting a carboxylic acid and an alcohol to dehydration-condensation reaction using an involatile acid catalyst and then removing the residual acid catalyst by bringing a weak basic substance into contact with the residual acid catalyst.

  问题提供一种生产工业酯化合物的环保方法。 解决方案是一种生产酯化合物的方法，包括将羧酸和醇经过脱水缩合反应，使用一种不挥发的酸催化剂，然后通过将弱碱性物质与残留的酸催化剂接触来去除残留的酸催化剂。
• [EN] PROCESS FOR PRODUCING TETRABROMOBENZOATE ESTERS<br/>[FR] PROCEDE DE PRODUCTION D'ESTERS DE TETRABROMOBENZOATE
  申请人：PABU SERVICES INC

  公开号：WO2005016863A1

  公开（公告）日：2005-02-24

  A method for preparing tetrabromobenzoate ester from a tetrabromophthalic anhydride including the steps of reacting the tetrabromophthalic anhydride with a catalyst and an alcohol at a temperature that favors partial esterification over complete esterification of the tetrabromophthalic anhydride to form a tetrabromophthalate half-ester reaction mixture; and feeding the half-ester reaction mixture to at least one reactor having and maintaining a temperature that favors decarboxylation over esterification to produce a tetrabromobenzoate ester-containing product. The temperature favoring partial esterification of the tetrabromophthalic anhydride is between about 70°C and 130°C. The temperature favoring decarboxylation over esterification is between about 190°C and 205°C. The tetrabromobenzoate ester-containing product comprises at least about 85% tetrabromobensoate ester. The at least one reactor may include two or more reactors connected to one another in series.

  一种从四溴邻苯二甲酸酐制备四溴苯甲酸酯的方法，包括以下步骤：将四溴邻苯二甲酸酐与催化剂和醇在有利于部分酯化而非完全酯化的温度下反应，形成四溴邻苯酸半酯反应混合物；将半酯反应混合物送入至少一个反应器中，并保持有利于脱羧而非酯化的温度，以生成含有四溴苯甲酸酯的产物。有利于四溴邻苯二甲酸酐部分酯化的温度在约70°C至130°C之间。有利于脱羧而非酯化的温度在约190°C至205°C之间。四溴苯甲酸酯含有产物至少约85％的四溴苯甲酸酯。至少一个反应器可以包括连接在一起的两个或更多个连续反应器。
• Process for producing tetrabromobenzoate esters
  申请人：Bartley W. David

  公开号：US20050027139A1

  公开（公告）日：2005-02-03

  A method for preparing tetrabromobenzoate ester from a tetrabromophthalic anhydride including the steps of reacting the tetrabromophthalic anhydride with a catalyst and an alcohol at a temperature that favors partial esterification over complete esterification of the tetrabromophthalic anhydride to form a tetrabromophthalate half-ester reaction mixture; and feeding the half-ester reaction mixture to at least one reactor having and maintaining a temperature that favors decarboxylation over esterification to produce a tetrabromobenzoate ester-containing product. The temperature favoring partial esterification of the tetrabromophthalic anhydride is between about 70° C. and 130° C. The temperature favoring decarboxylation over esterification is between about 190° C. and 205° C. The tetrabromobenzoate ester-containing product comprises at least about 85% tetrabromobenzoate ester. The at least one reactor may include two or more reactors connected to one another in series.

  从四溴邻苯二甲酸酐制备四溴苯甲酸酯的方法，包括以下步骤：在偏向于部分酯化而非完全酯化四溴邻苯二甲酸酐的温度下，将四溴邻苯二甲酸酐与催化剂和醇反应，形成四溴邻苯酸酯半酯反应混合物；将半酯反应混合物送入至少一个反应器，并保持偏向于脱羧而非酯化的温度，以产生含有四溴苯甲酸酯的产品。偏向于部分酯化四溴邻苯二甲酸酐的温度在约70°C至130°C之间。偏向于脱羧而非酯化的温度在约190°C至205°C之间。四溴苯甲酸酯含有产品至少含有约85%的四溴苯甲酸酯。至少一个反应器可能包括连接在串联中的两个或更多反应器。
• Process for producing of an aminoalkylsulfonic acid and a method of salt exchange for a salt thereof
  申请人：Kimura Takuhiro

  公开号：US20050261370A1

  公开（公告）日：2005-11-24

  A process for producing an aminoalkylsulfonic acid of formula [2]: wherein R 1 and R 2 are each independently hydrogen, alkyl, aryl or aralkyl; and R 3 and R 4 are each independently hydrogen or alkyl, comprising reacting an aminoalkylsulfonate salt of formula [1]: wherein M is alkali metal, organic ammonium or ammonium ion; and R 1 to R 4 are as described above, an aqueous solution thereof, or a solution dissolving any one of them in a water-soluble organic solvent, selected from alcohols having 1 to 3 carbon, carboxylic acids having 2 to 12 carbon and dimethylformamide, with an organic acid; and a method of salt exchange for an aminoalkylsulfonate salt of formula [1′]: wherein M′ is alkali metal, organic ammonium or ammonium ion; and R 1 and R 4 are as described above, comprising reacting the aminoalkylsulfonate salt formula [2] with a hydroxide of formula [6]: M′OH  [6] wherein M′ is as described above, in alcohol or water.

  一种生产化学式[2]的氨基烷基磺酸的方法：其中R1和R2各自独立地表示氢、烷基、芳香基或芳基烷基；R3和R4各自独立地表示氢或烷基，包括反应化学式[1]的氨基烷基磺酸盐：其中M为碱金属、有机铵或铵离子；R1至R4如上所述，其水溶性有机溶剂中的水溶性溶液或溶解其中任何一种的溶液，所选的有机酸；以及化学式[1']的氨基烷基磺酸盐的盐交换方法：其中M'为碱金属、有机铵或铵离子；R1和R4如上所述，包括将氨基烷基磺酸盐化学式[2]与化学式[6]的氢氧化物反应：M'OH [6]，其中M'如上所述，在醇或水中。