Diethyl-2,3-O-methylen-DL-tartrat | 21154-13-2

• 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: Diethyl-2,3-O-methylen-DL-tartrat
• 英文别名: [1,3]dioxolane-4,5-dicarboxylic acid diethyl ester；(4S,5S)-4,5-bis (ethoxycarbonyl)-1,3-dioxolane；(4RS,5SR)-4,5-bis(ethoxycarbonyl)-1,3-dioxolane；[1,3]Dioxolane-4,5-dicarboxylic acid, diethyl ester；diethyl 1,3-dioxolane-4,5-dicarboxylate
• CAS: 21154-13-2
• 化学式: C₉H₁₄O₆
• mdl: MFCD00450306
• 分子量: 218.207
• InChiKey: IAIKNIATGSJSLF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.4
• 重原子数：
  15
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.78
• 拓扑面积：
  71.1
• 氢给体数：
  0
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  Diethyl-2,3-O-methylen-DL-tartrat 在 sodium hydroxide 作用下， 以 四氢呋喃 、 水 为溶剂， 生成 (4RS,5SR)-4,5-bis(hydroxymethyl)-1,3-dioxolane
  参考文献：
  名称：

  R,R,S,S-2-nitroimidazole derivatives

  摘要：

  具有优异放射敏感性和高安全性的高纯度2-硝基咪唑衍生物，可作为与各种癌症放射疗法一起使用的药物，可以从廉价的酒石酸二酯高产率地制备，反应方程式如下：##STR1## 其中R.sup.1和R.sup.2可以相同也可以不同，每个分别代表一个脂肪基或芳香基，X代表一个卤素原子。

  公开号：

  US05532380A1

文献信息

• OPTICALLY ACTIVE 2-NITROIMIDAZOLE DERIVATIVE, PROCESS FOR PRODUCING THE SAME, AND INTERMEDIATE FOR PRODUCING THE SAME
  申请人：POLA CHEMICAL INDUSTRIES, INC.

  公开号：EP0632028A1

  公开（公告）日：1995-01-04

  A highly pure, optically active 2-nitroimidazole derivative that can be used as a concomitant drug for the radiotherapy of various tumors because it has an excellent radiosensitizing effect and a high safety. It can be produced from an inexpensive diester of tartaric acid in a high yield according to reaction scheme (I), wherein R¹ and R², which may be the same or different from each other, represent each an aliphatic or aromatic group, and X represents halogen.

  一种高纯度、具有光学活性的 2-硝基咪唑衍生物，可用作各种肿瘤放射治疗的辅助药物，因为它具有极佳的放射增敏效果和较高的安全性。根据反应方案 (I)，它可以从廉价的酒石酸二酯中高产制得，其中 R¹ 和 R²（可以相同或不同）各代表一个脂肪族或芳香族基团，X 代表卤素。
• NONAQUEOUS ELECTROLYTE, CAPACITOR DEVICE USING SAME, AND CARBOXYLIC ACID ESTER COMPOUND USED IN SAME
  申请人：UBE Industries, Ltd.

  公开号：EP3086396A1

  公开（公告）日：2016-10-26

  The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in the case of using an energy storage device at a high temperature and at a high voltage and further capable of inhibiting the gas generation while maintaining a capacity retention rate after storage at a high temperature and at a high voltage and also provides an energy storage device using the same. Disclosed is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing a carboxylic acid ester compound represented by the following general formula (I). In the formula, each of R1 and R2 independently represents a hydrogen atom, a -C(=O)-OR4 group, or the like, and R1 and R2 may be bonded to each other to form a ring structure. R3 represents a hydrogen atom or the like, and n represents an integer of 1 to 3. When n is 1, then L and R4 represent an alkyl group having 1 to 6 carbon atoms or the like; and when n is 2 or 3, then L represents an n-valent connecting group, X represents a -C(=O)- group, an -S(=O)-group, an -S(=O)2- group, an -S(=O)2-R5-S(=O)2- group or a CR6R7 group, R5 represents an alkylene group having 1 to 4 carbon atoms, and each of R6 and R7 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

  本发明提供了一种非水性电解溶液，该溶液能够改善在高温高压下使用储能装置时的电化学特性，并且能够进一步抑制气体生成，同时在高温高压下储存后保持容量保持率，本发明还提供了使用该溶液的储能装置。本发明公开了一种非水电解溶液，该溶液具有溶解在非水溶剂中的电解质盐，该非水电解溶液含有由以下通式（I）代表的羧酸酯化合物。 式中，R1 和 R2 各自独立地代表氢原子、-C(＝O)-OR4 基团或类似基团，R1 和 R2 可相互键合以形成环状结构。R3 代表氢原子或类似物，n 代表 1 至 3 的整数。当 n 为 1 时，L 和 R4 代表具有 1 至 6 个碳原子的烷基或类似基团；当 n 为 2 或 3 时，L 代表 n 价连接基团，X 代表 -C(=O)- 基团、-S(=O)- 基团、-S(=O)2- 基团、-S(=O)2-R5-S(=O)2- 基团或 CR6R7 基团，R5 代表具有 1 至 4 个碳原子的亚烷基，R6 和 R7 分别代表氢原子或具有 1 至 6 个碳原子的烷基。
• Nonaqueous electrolyte, capacitor device using same, and carboxylic acid ester compound used in same
  申请人：UBE INDUSTRIES, LTD.

  公开号：US10263285B2

  公开（公告）日：2019-04-16

  The present invention provides a nonaqueous electrolytic solution capable of improving electrochemical characteristics in the case of using an energy storage device at a high temperature and at a high voltage and further capable of inhibiting the gas generation while maintaining a capacity retention rate after storage at a high temperature and at a high voltage and also provides an energy storage device using the same. Disclosed is a nonaqueous electrolytic solution having an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous electrolytic solution containing a carboxylic acid ester compound represented by the following general formula (I). In the formula, each of R1 and R2 independently represents a hydrogen atom, a —C(═O)—OR4 group, or the like, and R1 and R2 may be bonded to each other to form a ring structure. R3 represents a hydrogen atom or the like, and n represents an integer of 1 to 3. When n is 1, then L and R4 represent an alkyl group having 1 to 6 carbon atoms or the like; and when n is 2 or 3, then L represents an n-valent connecting group, X represents a —C(═O)— group, an —S(═O)— group, an —S(═O)2— group, an —S(═O)2—R5—S(═O)2— group or a CR6R7 group, R5 represents an alkylene group having 1 to 4 carbon atoms, and each of R6 and R7 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

  本发明提供了一种非水性电解溶液，该溶液能够改善在高温高压下使用储能装置时的电化学特性，并且能够进一步抑制气体生成，同时在高温高压下储存后保持容量保持率，本发明还提供了使用该溶液的储能装置。本发明公开了一种非水电解溶液，该溶液具有溶解在非水溶剂中的电解质盐，该非水电解溶液含有由以下通式（I）代表的羧酸酯化合物。 式中，R1 和 R2 各自独立地代表氢原子、-C(═O)-OR4 基团或类似基团，R1 和 R2 可相互键合以形成环状结构。R3 代表氢原子或类似物，n 代表 1 至 3 的整数。当 n 为 1 时，L 和 R4 代表具有 1 至 6 个碳原子的烷基或类似基团；当 n 为 2 或 3 时，L 代表 n 价连接基团，X 代表-C(═O)-基团、-S(═O)-基团、-S(═O)2-基团、-S(═O)2-R5-S(═O)2-基团或 CR6R7 基团，R5 代表具有 1 至 4 个碳原子的亚烷基，R6 和 R7 分别代表氢原子或具有 1 至 6 个碳原子的烷基。
• ORGANOLEPTIC COMPOSITIONS
  申请人：GIVAUDAN-ROURE (INTERNATIONAL) S.A.

  公开号：EP0515622A1

  公开（公告）日：1992-12-02
• NONAQUEOUS ELECTROLYTE WITH CARBOXYLIC ACID ESTER COMPOUND AND ENERGY STORAGE DEVICE USING SAME
  申请人：UBE Industries, Ltd.

  公开号：EP3086396B1

  公开（公告）日：2019-06-05