1,2-dimethyl-cyclohexane-1,2-dicarboxylic acid | 854445-31-1

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 1,2-dimethyl-cyclohexane-1,2-dicarboxylic acid
• 英文别名: 1,2-Dimethyl-cyclohexan-1,2-dicarbonsaeure；1.2-Dimethyl-hexahydrophthalsaeure；Desoxycantharidinsaeure；1,2-Dimethylcyclohexane-1,2-dicarboxylic acid
• CAS: 854445-31-1
• 化学式: C₁₀H₁₆O₄
• 分子量: 200.235
• InChiKey: TYHNTRCXSWCMAD-UHFFFAOYSA-N

物化性质

• 熔点：
  165 °C
• 沸点：
  363.2±35.0 °C(Predicted)
• 密度：
  1.193±0.06 g/cm3(Temp: 20 °C; Press: 760 Torr)(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.8
• 拓扑面积：
  74.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  1,2-dimethyl-cyclohexane-1,2-dicarboxylic acid 生成 1,2-dimethyl-cyclohexane-1,2-dicarboxylic acid anhydride
  参考文献：
  名称：

  Rudolph, Archiv der Pharmazie, 1916, vol. 254, p. 451

  摘要：

  DOI：
• 作为产物：
  描述：

  3,6-dibromo-1,2-dimethyl-cyclohexane-1,2-dicarboxylic acid-anhydride 在 硫酸 、 溶剂黄146 、 锌 作用下， 生成 1,2-dimethyl-cyclohexane-1,2-dicarboxylic acid
  参考文献：
  名称：

  Rudolph, Archiv der Pharmazie, 1916, vol. 254, p. 451

  摘要：

  DOI：

文献信息

• Process for the synthesis of ¬2S, 3aR, 7aS|-octahydroindole-2-carboxylic acid and its conversion to trandolapril
  申请人：Sochinaz SA

  公开号：EP1724260A1

  公开（公告）日：2006-11-22

  The present invention describes a novel method for the synthesis of (2S,3aR,7aS)-octahydroindole-2-carboxylic acid of formula III using a new intermediate of formula II and conversion of the product of formula-III to trandolapril of formula I

  本发明描述了一种合成式 III 的 (2S,3aR,7aS)-八氢吲哚-2-羧酸的新方法 使用一种新的式 II 中间体 并将式Ⅲ的产物转化为式Ⅰ的曲妥普利
• POLYESTER RESIN COMPOSITION AND MOLDED BODY
  申请人：DAICEL CHEMICAL INDUSTRIES, LTD.

  公开号：EP1964889A1

  公开（公告）日：2008-09-03

  A polyester-series resin composition comprises (A) a polyester block copolymer and (C) a polycarbodiimide compound, and if necessary (B) a polyepoxy compound. The copolymer (A) is obtainable by reaction of (a1) a crystalline aromatic polyester and (a2) a lactone, and if necessary (a3) at least one compound selected from the group consisting of a polycarboxylic acid or an ester-formable derivative thereof and a polyol or an ester-formable derivative thereof in the presence of a phosphorous ester. Such a resin composition is particularly excellent in recycling efficiency and is useful for blow molding. The resin composition has a high hydrolysis resistance and an excellent heat resistance (particularly thermal cycling resistance).

  一种聚酯系列树脂组合物包括(A)聚酯嵌段共聚物和(C)聚碳二亚胺化合物，必要时还包 括(B)聚环氧化合物。共聚物(A)是由(a1)结晶芳香族聚酯和(a2)内酯，必要时(a3)至少一种选自聚羧酸或其酯类衍生物和多元醇或其酯类衍生物的化合物在磷酯存在下反应而得。这种树脂组合物的回收效率特别高，可用于吹塑成型。这种树脂组合物具有很高的耐水解性和出色的耐热性（尤其是耐热循环性）。
• HIGHLY HEAT-RESISTANT AND HIGHLY TRANSPARENT POLYCARBONATE ESTER, AND PREPARATION METHOD THEREFOR
  申请人：SK Chemicals Co., Ltd.

  公开号：EP3026074A1

  公开（公告）日：2016-06-01

  The present invention relates to: a bio-based polycarbonate ester comprising: (i) repeat unit 1 obtained from a condensation reaction of 1,4:3,6-dianhydrohexitol and carbonate; and (ii) repeat unit 2 obtained from a condensation reaction of 1,4:3,6-dianhydrohexitol and 1,4-cyclohexanedicarboxylate; and a preparation method for the bio-based polycarbonate ester, comprising the steps of: (1) preparing a compound represented by formula 3 through a trans-esterification or esterification reaction of a compound represented by formula 2 and phenol; and (2) preparing a compound comprising a repeat unit represented by formula 1 through a polycarbonate melt polycondensation reaction of the compound represented by formula 3 prepared in step (1), a compound represented by formula 4, and 1,4:3,6-dianhydrohexitol. The bio-based polycarbonate ester, according to the present invention, is capable of controlling advantages and disadvantages of physical properties obtained from each repeat unit, and has high thermal resistance and high transparency, and thus is capable of being effectively used for various uses.

  本发明涉及：一种生物基聚碳酸酯，包括：(i) 由 1,4:3,6- 二氢己糖醇和碳酸酯的缩合反应得到的重复单元 1；(ii) 由 1,4:3,6- 二氢己糖醇和 1,4- 环己烷二羧酸酯的缩合反应得到的重复单元 2；以及该生物基聚碳酸酯的制备方法，包括以下步骤：(1) 通过式 2 所代表的化合物和苯酚的反酯化或酯化反应制备式 3 所代表的化合物；以及 (2) 通过步骤(1)中制备的式 3 所代表的化合物、式 4 所代表的化合物和 1,4:3,6-二氢己糖醇的聚碳酸酯熔融缩聚反应制备包含式 1 所代表的重复单元的化合物。根据本发明的生物基聚碳酸酯能够控制每个重复单元所获得的物理性质的优缺点，并具有高耐热性和高透明度，因此能够有效地用于各种用途。
• PROPYLENE POLYMERIZING SOLID CATALYST FOR REDUCING VOC AND METHOD OF PRODUCING POLYPROPYLENE USING SAME
  申请人：Hanwha Total Petrochemical Co., Ltd.

  公开号：EP3653655A1

  公开（公告）日：2020-05-20

  The present invention relates to a propylene polymerizing solid catalyst for reducing the volatile organic compound (VOC) and a method of producing polypropylene using the propylene polymerizing solid catalyst, the propylene polymerizing solid catalyst including an organic electron donor formed of a combination of a first internal electron donor of titanium, magnesium, halogen and cyclic diester and a second internal electron donor of diether, and has improved hydrogen reactivity of a catalyst compared to a conventional method and has an effect that is capable of producing an eco-friendly polypropylene which has greatly lowered a content of the VOC by using the catalyst.

  本发明涉及一种用于减少挥发性有机化合物（VOC）的丙烯聚合固体催化剂和一种使用该丙烯聚合固体催化剂生产聚丙烯的方法，该丙烯聚合固体催化剂包括由第一内部电子供体钛、镁、卤素和环二酯以及第二内部电子供体二醚组合而成的有机电子供体、镁、卤素和环状二酯的第一内部电子供体和二醚的第二内部电子供体的组合，与传统方法相比，提高了催化剂的氢反应活性，并具有通过使用该催化剂生产环保型聚丙烯的效果，该聚丙烯大大降低了挥发性有机化合物的含量。
• HIGHLY HEAT-RESISTANT POLYCARBONATE ESTER AND PREPARATION METHOD THEREFOR
  申请人：SK Chemicals Co., Ltd.

  公开号：EP3689940A1

  公开（公告）日：2020-08-05

  The present invention relates to a highly heat-resistant organism-based polycarbonate ester and a preparation method therefor and, more specifically, the highly heat-resistant organism-based polycarbonate ester has excellent heat resistance, transparency, and processability.

  本发明涉及一种高耐热有机基聚碳酸酯及其制备方法，更具体地说，该高耐热有机基聚碳酸酯具有优异的耐热性、透明度和可加工性。