2-甲基-1H-吡咯-3,4-二羧酸 | 89937-81-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯
• 中文名称: 2-甲基-1H-吡咯-3,4-二羧酸
• 英文名称: 2-Methyl-pyrrol-dicarbonsaeure-3,4
• 英文别名: 2-methyl-pyrrole-3,4-dicarboxylic acid；2-Methyl-pyrrol-3,4-dicarbonsaeure；2-methyl-1H-pyrrole-3,4-dicarboxylic acid
• CAS: 89937-81-5
• 化学式: C₇H₇NO₄
• mdl: MFCD01318627
• 分子量: 169.137
• InChiKey: MIFMUWCQDCUPJI-UHFFFAOYSA-N

物化性质

• 熔点：
  239-240 °C (decomp)
• 沸点：
  447.7±45.0 °C(Predicted)
• 密度：
  1.550±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.2
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.142
• 拓扑面积：
  90.4
• 氢给体数：
  3
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  重氮甲烷 、 2-甲基-1H-吡咯-3,4-二羧酸 生成 dimethyl 2-methyl-1H-pyrrole-3,4-dicarboxylate
  参考文献：
  名称：

  Nicolaus; Mangoni, Annali di Chimica, 1956, vol. 46, p. 847,854

  摘要：

  DOI：
• 作为产物：
  描述：

  diethyl 2-methylpyrrole-3,4-dicarboxylate 在 氢氧化钾 作用下， 生成 2-甲基-1H-吡咯-3,4-二羧酸
  参考文献：
  名称：

  Nicolaus; Mangoni, Annali di Chimica, 1956, vol. 46, p. 847,854

  摘要：

  DOI：

文献信息

• COSMETIC OR DERMATOLOGICAL COMPOSITION COMPRISING A POLYMER BEARING JUNCTION GROUPS, AND COSMETIC TREATMENT PROCESS
  申请人：Chodorowski-Kimmes Sandrine

  公开号：US20100239509A1

  公开（公告）日：2010-09-23

  The present patent application relates to a cosmetic or dermatological composition comprising, in a cosmetically or dermatologically acceptable medium, a polymer comprising: (a) a polymer backbone that may be obtained by reaction: of a polyol comprising 3 to 6 hydroxyl groups; of a monocarboxylic acid containing 6 to 32 carbon atoms; of a polycarboxylic acid comprising at least two carboxylic groups COOH, and/or of a cyclic anhydride such as a polycarboxylic acid and/or of a lactone comprising at least one carboxylic group COOH; and (b) at least one junction group linked to the said polymer backbone and capable of establishing H bonds with one or more partner junction groups, each pairing of a junction group involving at least three H (hydrogen) bonds. The patent application also concerns a cosmetic treatment process using the said composition.

  本专利申请涉及一种化妆品或皮肤科学组合物，包括在化妆品或皮肤科学上可接受的介质中，包含以下聚合物的组合物：(a) 由以下反应得到的聚合物骨架：含有3至6个羟基的多元醇；含有6至32个碳原子的一元羧酸；至少含有两个羧基COOH的多元羧酸，和/或类似多元羧酸的环酐和/或至少含有一个羧基COOH的内酯；以及(b) 至少一个连接到所述聚合物骨架的连接基团，并能够与一个或多个配对连接基团建立H键，每个连接基团的配对涉及至少三个H（氢）键。该专利申请还涉及使用所述组合物的化妆品处理过程。
• COMPOSITION COMPRISING A POLYCONDENSATE, METHOD OF TREATMENT, POLYCONDENSATE, AND METHOD OF PREPARATION
  申请人：GIUSTINIANI Pascal

  公开号：US20090028807A1

  公开（公告）日：2009-01-29

  The present application relates to a cosmetic or pharmaceutical, in particular lipstick, composition comprising a polycondensate The application also relates to a method of cosmetic treatment using the composition, the polycondensate thus defined and a method of preparing the polycondensate.

  本申请涉及一种化妆品或药用品，特别是口红，包括聚缩酸酯的组合物。该申请还涉及一种使用该组合物进行化妆处理的方法，所述聚缩酸酯的定义以及一种制备聚缩酸酯的方法。
• COSMETIC OR PHARMACEUTICAL COMPOSITION COMPRISING A POLYCONDENSATE, THE SAID POLYCONDENSATE AND METHOD OF COSMETIC TREATMENT
  申请人：Malle Gerard

  公开号：US20100272660A1

  公开（公告）日：2010-10-28

  The present application relates to a cosmetic or pharmaceutical composition comprising a polycondensate capable of being obtained by the reaction of the following monomers alone: of 10 to 30% by weight, relative to the total weight of the polycondensate, of one or more polyols comprising 3 to 6 hydroxyl groups; of 30 to 80% by weight, relative to the total weight of the polycondensate, of one or more linear, branched and/or cyclic, saturated or unsaturated, non-aromatic monocarboxylic acids comprising 6 to 32 carbon atoms; of 1 to 40% by weight, relative to the total weight of the polycondensate, of one or more polycarboxylic acids and/or cyclic anhydrides of such a polycarboxylic acid and/or lactones comprising at least one COOH group; and optionally of 0.1 to 15% by weight, relative to the total weight of the polycondensate, of one or more silicones having a hydroxyl and/or carboxyl functional group. The application also relates to a method of cosmetic treatment using the said composition, and the polycondensate thus defined.

  本申请涉及一种化妆品或药用组合物，包括由以下单体反应而得的聚缩酸酯：相对于聚缩酸酯的总重量，占10至30%的一种或多种含有3至6个羟基的多元醇；占30至80%的一种或多种线性、支链和/或环状、饱和或不饱和、非芳香族的单羧酸，含有6至32个碳原子；占聚缩酸酯总重量的1至40%的一种或多种多羧酸和/或多羧酸的环状酐和/或含有至少一个COOH基团的内酯；以及可选地占聚缩酸酯总重量的0.1至15%的一种或多种硅氧烷，具有羟基和/或羧基官能团。该申请还涉及使用所述组合物进行化妆处理的方法，以及如此定义的聚缩酸酯。
• [EN] PROCESS FOR THE PREPARATION OF A METAL-ORGANIC COMPOUND<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN COMPOSÉ ORGANOMÉTALLIQUE
  申请人：UNIV BELFAST

  公开号：WO2014191725A1

  公开（公告）日：2014-12-04

  A process for the preparation of a metal-organic compound, said metal- organic compound comprising at least one metal ion and at least one organic ligand, wherein said organic ligand is capable of associating with said metal ion, comprising at least the steps of; providing a first reactant comprising at least one metal in ionic form; providing a second reactant comprising at least one organic ligand capable of associating with said metal in ionic form; and admixing said first and second reactants under conditions of prolonged and sustained pressure and shear sufficient to synthesise said metal-organic compound.

  一种制备金属有机化合物的方法，所述金属有机化合物包括至少一个金属离子和至少一个有机配体，其中所述有机配体能够与所述金属离子结合，包括至少以下步骤：提供包含至少一种金属的离子形式的第一反应物；提供包含至少一种能够与所述离子形式的金属结合的有机配体的第二反应物；并在持续和持续的压力和剪切条件下混合所述第一和第二反应物，以合成所述金属有机化合物。
• POROUS CATALYTIC MATRICES FOR ELIMINATION OF TOXICANTS FOUND IN TOBACCO COMBUSTION PRODUCTS
  申请人：Massachusetts Institute Of Technology

  公开号：EP2739169A2

  公开（公告）日：2014-06-11