2,3-二羟基-2,3-二甲基丁二酸 | 74543-88-7

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 中文名称: 2,3-二羟基-2,3-二甲基丁二酸
• 英文名称: 2,3-dimethyltartaric acid
• 英文别名: dimethyltartaric acid；2,3-dihydroxy-2,3-dimethyl-succinic acid；2,3-Dihydroxy-2,3-dimethyl-bernsteinsaeure；Dimethyltraubensaeure；Dimethylweinsaeure；meso-2,3-Dimethyl-weinsaeure；Butanedioic acid, 2,3-dihydroxy-2,3-dimethyl-；2,3-dihydroxy-2,3-dimethylbutanedioic acid
• CAS: 74543-88-7
• 化学式: C₆H₁₀O₆
• 分子量: 178.142
• InChiKey: CPLWWXZZFYHPJY-UHFFFAOYSA-N

物化性质

• 熔点：
  174-175 °C
• 沸点：
  368.2±42.0 °C(Predicted)
• 密度：
  1.591±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -1.5
• 重原子数：
  12
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  115
• 氢给体数：
  4
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  2,3-二羟基-2,3-二甲基丁二酸 、 2,2-二甲氧基丙烷 以 甲醇 为溶剂， 以29%的产率得到meso-2,3-Dimethyl-weinsaeure-dimethylester
  参考文献：
  名称：

  Electrosynthesis of lactic acid and 2,3-dimethyltartaric acid from pyruvic acid on lead cathode in aqueous medium

  摘要：

  Lactic and 2,3-dimethyltartaric acids have been synthesized from pyruvic acid by changing the nature of the supporting electrolyte and the electrode potential of lead cathode. (c) 2006 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2006.03.035
• 作为产物：
  描述：

  丙酮酸 在 vanadium(II) perchlorate 作用下， 以 水 为溶剂， 生成 2,3-二羟基-2,3-二甲基丁二酸
  参考文献：
  名称：

  Reduction of .alpha.-keto acids by low-valent metal ions. 2. Reaction of aqueous vanadous ion with pyruvic and phenylglyoxylic acids

  摘要：

  DOI：

  10.1021/ja00529a028

文献信息

• COMPOSITIONS AND METHODS FOR FORMING ARTICLES HAVING SILVER METAL
  申请人：Eastman Kodak Company

  公开号：US20180362547A1

  公开（公告）日：2018-12-20

  Electrically-conductive silver metal can be provided in a thin film or pattern on a substrate from a silver complex having reducing silver ions and represented by: (Ag + ) a (L) b (P) c (I) wherein L represents an α-oxy carboxylate; P represents a 5- or 6-membered N-heteroaromatic compound; a is 1 or 2; b is 1 or 2; and c is 1, 2, 3, or 4, provided that when a is 1, b is 1, and when a is 2, b is 2. The silver complex is mixed in a hydroxy-free, nitrile-containing aprotic solvent with a polymer that is either (i) a hydroxy-containing cellulosic polymer or (ii) a non-cellulosic acrylic polymer having a halo- or hydroxy-containing side chain. The reducible silver ions in the a thermally sensitive thin film or pattern can be thermally converted to electrically-conductive metallic silver under suitable heating conditions to provide a product article that can be used in various devices.

  电导银金属可由含还原银离子的银配合物以薄膜或图案的形式提供在基底上，其由下式表示： (Ag + ) a (L) b (P) c (I) 其中L代表α-氧基羧酸盐；P代表5或6成员的N-杂环化合物；a为1或2；b为1或2；c为1、2、3或4，条件是当a为1时，b为1，当a为2时，b为2。将银配合物与不含羟基、含腈的无质子溶剂中的聚合物混合，该聚合物为(i)含羟基的纤维素聚合物或(ii)具有卤素或含羟基侧链的非纤维素丙烯酸聚合物。在热敏感薄膜或图案中的可还原银离子可以在适当的加热条件下热转换为电导银金属，以提供可用作各种设备的产品物品。
• POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE, AND DISPLAY DEVICE
  申请人：FUJIFILM Corporation

  公开号：US20170226317A1

  公开（公告）日：2017-08-10

  A polarizing plate protective film which prevents deterioration of polarization performance in a high temperature, high humidity environment, and a polarizing plate and display device using the film including a compound represented by the following General Formula (I). (X-L n z General Formula (I) X represents a formyl group, a boronic acid group, or a group represented by the following General Formula (I-B) or a group represented by the following General Formula (I-C), where L represents a single bond or divalent linking group, and n represents an integer equal to or greater than 2. When n is 2, Z represents a single bond or a divalent group, and when n≧3, Z represents an n-valent group. R A and R B represent an alkyl group, a cycloalkyl group, an aryl group, or an acyl group. R A and R B may be bonded to each other to form a ring. * represents a bond to be bonded to L.

  一种偏光板保护膜，可防止在高温高湿环境中偏光性能的恶化，以及使用包括下述一般式（I）所代表的化合物的偏光板和显示装置。 （X-L n z 一般式（I） X代表甲酰基、硼酸基或由下述一般式（I-B）所代表的基团或由下述一般式（I-C）所代表的基团，其中L代表单键或二价连接基团，n代表大于或等于2的整数。当n为2时，Z代表单键或二价基团，当n≧3时，Z代表n价基团。 RA和RB代表烷基、环烷基、芳基或酰基。RA和RB可以相互连接形成环。*代表要连接到L的键。
• [EN] THE R-ISOMER OF BETA AMINO ACID COMPOUNDS AS INTEGRIN RECEPTOR ANTAGONISTS DERIVATIVES<br/>[FR] ISOMERE R DE COMPOSES D'ACIDES AMINES BETA EN TANT QUE DERIVES ANTAGONISTES DU RECEPTEUR DES INTEGRINES
  申请人：PHARMACIA CORPRATION

  公开号：WO2004060376A1

  公开（公告）日：2004-07-22

  The present invention relates to a class of compounds represented by the Formula (I) or a pharmaceutically acceptable salt thereof, pharmaceutical compositions comprising compounds of the Formula (I), and methods of selectively inhibiting or antagonizing the αVβ3 and/or the αV β5 integrin without significantly inhibiting the αV β6 integrin

  本发明涉及一类由公式(I)表示的化合物或其药用可接受的盐，包含公式(I)化合物的药物组合物，以及在不显著抑制αVβ6整合素的情况下选择性抑制或拮抗αVβ3和/或αVβ5整合素的方法。
• [EN] CHEMICAL COMPOUNDS<br/>[FR] COMPOSÉS CHIMIQUES
  申请人：GLAXOSMITHKLINE LLC

  公开号：WO2011017395A1

  公开（公告）日：2011-02-10

  The present invention relates to highly functionalized 1,3-diamino-propan-2-ols and pharmaceutically acceptable salts thereof. More specifically, the invention relates to highly functionalized 1,3-diamino-propan-2-ols that are derivatives of the HIV protease inhibitors darunavir.

  本发明涉及高度功能化的1,3-二氨基丙烷-2-醇及其药用盐。更具体地说，该发明涉及高度功能化的1,3-二氨基丙烷-2-醇，这些化合物是HIV蛋白酶抑制剂达芦那韦的衍生物。
• Process for enantioselective synthesis of single enantiomers of modafinil by asymmetric oxidation
  申请人：Rebiere Francois

  公开号：US20050222257A1

  公开（公告）日：2005-10-06

  The invention relates to a method for preparing a sulphoxide compound of formula (I) either as a single enantiomer or in an enantiomerically enriched form, comprising the steps of: a) contacting a pro-chiral sulphide of formula (II) with a metal chiral complex, a base and an oxidizing agent in an organic solvent; and optionally b) isolating the obtained sulphoxide of formula (I). wherein n, Y, R 1 , R 1a , R 2 and R 2a are as defined in claim 1.

  该发明涉及一种制备公式(I)的砜氧化物化合物的方法，该化合物可以是单对映体或对映富集形式，包括以下步骤：a)将公式(II)的原手性硫醚与金属手性配合物、碱和氧化剂在有机溶剂中接触；以及可选地b)分离得到的公式(I)的砜氧化物。其中n、Y、R1、R1a、R2和R2a如权利要求1所定义。