2-甲基-3,4-呋喃二甲酸 | 54576-44-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 呋喃
• 中文名称: 2-甲基-3,4-呋喃二甲酸
• 英文名称: 2-Methyl-furan-3,4-dicarbonsaeure
• 英文别名: 2-Methyl-3,4-dicarboxy-furan；2-methyl-furan-3,4-dicarboxylic acid；2-methylfuran-3,4-dicarboxylic Acid
• CAS: 54576-44-2
• 化学式: C₇H₆O₅
• mdl: MFCD06253869
• 分子量: 170.122
• InChiKey: DMVWTHJBGHANLQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.4
• 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：
  87.7
• 氢给体数：
  2
• 氢受体数：
  5

安全信息

• 海关编码：
  2932190090

反应信息

• 作为反应物：
  描述：

  2-甲基-3,4-呋喃二甲酸 在 sulfur tetrafluoride 、 氢氟酸 作用下， 反应 30.0h， 以26%的产率得到2-methyl-2,5,5-trifluoro-3,4-bis(trifluoromethyl)furan
  参考文献：
  名称：

  Lyalin, V.V.; Grigorash, R.V.; Alekseeva, L.A., Journal of Organic Chemistry USSR (English Translation), 1984, vol. 20, p. 769 - 772

  摘要：

  DOI：
• 作为产物：
  描述：

  diethyl 2-methylfuran-3,4-dicarboxylate 在 sodium hydroxide 作用下， 反应 8.0h， 以90%的产率得到2-甲基-3,4-呋喃二甲酸
  参考文献：
  名称：

  Lyalin, V.V.; Grigorash, R.V.; Alekseeva, L.A., Journal of Organic Chemistry USSR (English Translation), 1984, vol. 20, p. 769 - 772

  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。
• Electric Double-Layer Capacitor
  申请人：Kikuchi Taketoshi

  公开号：US20090103241A1

  公开（公告）日：2009-04-23

  An activated carbon comprising a carbonized and activated compound represented by the formula (1): (wherein, R represents a hydrocarbon group having 1 to 12 carbon atoms, said hydrocarbon group may be optionally substituted with hydroxyl group, alkyl group, alkoxy group, aryl group, aryloxy group, sulfonyl group, halogen atoms, nitro group, thioalkyl group, cyano group, carboxyl group, amino group or amide group, R′ represents hydrogen atom or methyl group, and n represents an integer of 4, 6, or 8).

  一种活性炭，包括由式（1）所表示的碳化和活化化合物： 其中，R表示具有1至12个碳原子的碳氢基团，该碳氢基团可以选择地被羟基、烷基、烷氧基、芳基、芳氧基、磺酰基、卤素原子、硝基、硫代烷基、氰基、羧基、氨基或酰胺基取代；R′表示氢原子或甲基基团；n表示4、6或8的整数。
• FUROPYRIMIDINEDIONE DERIVATIVES AS TRPAI MODULATORS
  申请人：Chaudhari Sachin Sundarlal

  公开号：US20120178766A1

  公开（公告）日：2012-07-12

  The present invention is related to novel furopyrimidinedione derivatives as TRPA (Transient Receptor Potential subfamily A) modulators. In particular, compounds described herein are useful for treating or preventing diseases, conditions and/or disorders modulated by TRPA1 (Transient Receptor Potential subfamily A, member 1). Also provided herein are processes for preparing compounds described herein, intermediates used in their synthesis, pharmaceutical compositions thereof, and methods for treating or preventing diseases, conditions and/or disorders modulated by TRPA1.

  本发明涉及新型噻吩嘧啶二酮衍生物作为TRPA（瞬时受体电位亚家族A）调节剂。特别地，本文所描述的化合物可用于治疗或预防由TRPA1（瞬时受体电位亚家族A，成员1）调节的疾病、情况和/或疾患。本文还提供了用于制备所述化合物的过程，用于其合成的中间体，其制药组合物以及用于治疗或预防由TRPA1调节的疾病、情况和/或疾患的方法。