4,5-dimethylhexanoic acid | 60308-81-8

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: 4,5-dimethylhexanoic acid
• 英文别名: 4,5-dimethyl-hexanoic acid；4,5-Dimethyl-hexansaeure；Racemische 3.4-Dimethyl-pentan-carbonsaeure-(1)
• CAS: 60308-81-8
• 化学式: C₈H₁₆O₂
• mdl: MFCD19228421
• 分子量: 144.214
• InChiKey: HHGZJCMMPUJXIF-UHFFFAOYSA-N

物化性质

• 沸点：
  92 °C(Press: 1 Torr)
• 密度：
  0.912 g/cm3(Temp: 25 °C)

计算性质

• 辛醇/水分配系数(LogP)：
  2.2
• 重原子数：
  10
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.875
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  4,5-dimethylhexanoic acid 在 potassium phosphate 、 草酰氯 、 [Ir(2-(2,4-difluorophenyl)-5-(trifluoromethyl)pyridine)₂(4,4′-di-tert-butyl-2,2′-bipyridine)]*PF₆ 作用下， 以 二氯甲烷 、 戊醇 、 水 、 N,N-二甲基甲酰胺 、 甲苯 为溶剂， 反应 15.0h， 生成 C₁₈H₃₃NO₅
  参考文献：
  名称：

  通过可见光光氧化还原催化对羧酸衍生物进行定向 γ-C(sp3)-H 烷基化

  摘要：

  可见光光氧化还原催化可实现饱和脂肪族羰基化合物的直接 γ-C(sp3)-H 烷基化。缺电子烯烃用作该反应中的偶联伙伴。显着的位点选择性由原位产生的酰胺基的主要 1,5-氢原子转移控制。

  DOI：

  10.1021/jacs.7b09306
• 作为产物：
  描述：

  2,2-二甲基-环戊烷-1,1,3-三羧酸 在 氢氧化钾 作用下， 生成 4,5-dimethylhexanoic acid
  参考文献：
  名称：

  Crossley; Perkin, Journal of the Chemical Society, 1898, vol. 73, p. 23

  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。
• Synthesis of campesteryl acetate ((24R)-24-methyl-3β-acetoxycholesten-5-ene) and its 24S-epimer
  作者：R. Ikan、A. Markus、E.D. Bergmann

  DOI：10.1016/s0039-128x(70)80133-7

  日期：1970.7

  Abstract A synthesis of campesteryl acetate and its 24 S epimer has been accomplished starting from the optically active 3,4-dimethylpentylmagnesium bromides and pregnenolone acetate. The two epimers have different utilization by the larvae of Dermestes maculatus .

  摘要 以光学活性的 3,4-二甲基戊基溴化镁和孕烯醇酮乙酸酯为原料，合成了乙酸菜油酯及其 24 S 差向异构体。两种差向异构体对黄斑皮螨幼虫的利用不同。
• POLYCONDENSATE, COMPOSITION, TREATMENT PROCESS, AND PREPARATION PROCESS
  申请人：Rodriguez Ivan

  公开号：US20080069786A1

  公开（公告）日：2008-03-20

  Polycondensate, composition containing it, especially a nail varnish composition, and process for preparation. The polycondensate may be obtained by reacting: a polyol comprising 3 to 6 hydroxyl groups; a saturated or unsaturated non-aromatic monocarboxylic acid; an aromatic monocarboxylic acid containing 7 to 11 carbon atoms; and a saturated or unsaturated, or even aromatic, linear, branched and/or cyclic polycarboxylic acid, comprising at least two carboxylic groups COOH; and/or a cyclic anhydride of such a polycarboxylic acid.

  聚缩酸酯、含有该聚缩酸酯的组合物，特别是指一种指甲油组合物，以及其制备方法。该聚缩酸酯可通过以下反应获得：包含3至6个羟基的多元醇；饱和或不饱和的非芳香族一元羧酸；含有7至11个碳原子的芳香族一元羧酸；以及含有至少两个羧基COOH的饱和或不饱和，甚至是芳香族的线性、分支和/或环状多羧酸；和/或这种多羧酸的环状酐。