异二十五烷酸 | 94245-49-5

• 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: 异二十五烷酸
• 中文别名: 23-甲基二十四(烷)酸
• 英文名称: isopentacosanoic acid
• 英文别名: 23-Methyl-tetracosansaeure；23-methyl-tetracosanoic acid；23-methyltetracosanoic acid
• CAS: 94245-49-5
• 化学式: C₂₅H₅₀O₂
• 分子量: 382.671
• InChiKey: MLLNAEIUHLSUPB-UHFFFAOYSA-N

物化性质

• 稳定性/保质期：
  存在于烤烟烟叶中。

计算性质

• 辛醇/水分配系数(LogP)：
  11
• 重原子数：
  27
• 可旋转键数：
  22
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.96
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

制备方法与用途

合成制备方法

1. 烟草：FC，15。

反应信息

• 作为反应物：
  描述：

  甲醇 、 异二十五烷酸 生成 Methyl 23-methyl-tetracosanoate
  参考文献：
  名称：

  TVRZICKA, EVA;REZANKA, TOMAS;KRIJT, JAN;JANOUSEK, VACLAV, J. CHROMATOGR. BIOMED. APPL., 431,(1988) N 2, C. 231-238

  摘要：

  DOI：
• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 盐酸 、 amalgamated zinc 、 溶剂黄146 作用下， 生成 异二十五烷酸
  参考文献：
  名称：

  Arosenius et al., Arkiv foer Kemi, 1949, vol. 26 A, # 19, p. 10

  摘要：

  DOI：

文献信息

• METHOD FOR PRODUCING CROSS-COUPLING COMPOUND
  申请人：Fujimori Taketoshi

  公开号：US20100048929A1

  公开（公告）日：2010-02-25

  To provide a method for performing a cross-coupling reaction of a Grignard compound with an alkyl halide simply, efficiently and in high yield, a method for obtaining a ω-bromo long chaincarboxylic acid simply and efficiently using an easily obtainable raw material and a method for producing a useful branched fatty acid simply and efficiently. [R 1 : an alkyl group having 1 to 15 carbon atoms, R 2 : an alkyl group having 1 to 30 carbon atoms with a carboxyl group and X and X′: a halogen atom] [n: an integer of 9 to 17] [n: an integer of 9 to 17, R 1a : a branched alkyl group having 3 to 8 carbon atoms and X: a halogen atom]

  提供一种简单、高效、高产率的格氏试剂与卤代烷进行交叉偶联反应的方法，以简单、高效的方式利用易得原料获得ω-溴长链羧酸的方法，以及以简单、高效的方式生产有用的支链脂肪酸的方法。[R1：具有1至15个碳原子的烷基，R2：具有1至30个碳原子的烷基，带有羧基，X和X'：卤素原子][n：9至17的整数][n：9至17的整数，R1a：具有3至8个碳原子的支链烷基，X：卤素原子]
• Irreversible heat-sensitive composition
  申请人：Nichiyu Giken Kogyo Co., Ltd.

  公开号：EP1149880A1

  公开（公告）日：2001-10-31

  An irreversible heat-sensitive composition comprises a mixture of a granular or powdery heat-fusible substance having a melting point corresponding to a temperature to be recorded and a granular or powdery dyestuff diffusible into the fused heat-fusible substance through dispersion or dissolution. A heat-sensitive ink comprises the irreversible heat-sensitive composition and an ink vehicle capable of diffusing the fused heat-fusible substance therein. A heat-sensitive ink according to another embodiment comprises microcapsules, which encapsulate the irreversible heat-sensitive composition. A heat-sensitive indicator comprises a substrate provided thereon with a printed heat-sensitive ink, the heat-sensitive ink being one of these heat-sensitive inks.

  不可逆热敏组合物包括熔点与待记录温度相对应的颗粒状或粉状热敏物质与可通过分散或溶解扩散到熔融热敏物质中的颗粒状或粉状染料的混合物。热敏油墨包括不可逆热敏组合物和能够将熔融热敏物质扩散到其中的油墨载体。根据另一个实施方案，热敏油墨包括封装不可逆热敏组合物的微胶囊。热敏指示器包括一个基板，基板上印有热敏油墨，热敏油墨是这些热敏油墨中的一种。
• Pharmaceutical magnetic nano-particle composition
  申请人：UNIVERSITÄTSKLINIKUM ERLANGEN

  公开号：EP2508171A1

  公开（公告）日：2012-10-10

  The invention relates to a pharmaceutical composition comprising magnetic nano-particles for magnetic targeting of drugs and imaging agents. The invention further relates to the use of said pharmaceutical composition as a drug carrier, for use as an imaging agent, for use as a medicament and specifically for use in cancer treatment by magnetic drug targeting using an external magnetic field. The present invention also relates to a method for manufacturing said pharmaceutical composition and a method for guiding and accumulating said pharmaceutical composition to a target tissue contained in a subject.

  本发明涉及一种药物组合物，其中包含用于药物和成像剂磁性靶向的磁性纳米颗粒。本发明还涉及将所述药物组合物用作药物载体、用作成像剂、用作药物，特别是用于利用外部磁场进行磁性药物靶向治疗癌症。本发明还涉及一种制造所述药物组合物的方法，以及一种将所述药物组合物引导和积聚到受试者所含靶组织的方法。
• POLYMER
  申请人：Sumitomo Chemical Company, Ltd.

  公开号：EP3235836A1

  公开（公告）日：2017-10-25

  Provided is a polymer that is capable of affording a heat storage material superior in humidity permeability and shape retention after phase transition and that is superior in molding processability, namely, a polymer including constitutional units (A) derived from ethylene, constitutional units (B) represented by a specified formula, and optionally including constitutional units (C) represented by a specified formula, wherein where the total number of the units (A), the units (B), and the units (C) is 100%, the number of the units (A) accounts for 70% to 99%, the total number of the units (B) and the units (C) accounts for 1% by weight to 30% by weight, and where the total number of the units (B) and the units (C) is 100%, the number of the units (B) accounts for 1% to 100% and the number of the units (C) accounts for 0% to 99%.

  本发明提供了一种聚合物，该聚合物能够提供一种在相变后湿度渗透性和形状保持性方面更优越且在成型加工性方面更优越的蓄热材料，即一种包括由乙烯衍生的组成单元（A）、由指定式表示的组成单元（B）以及可选地包括由指定式表示的组成单元（C）的聚合物、其中，当单元（A）、单元（B）和单元（C）的总数量为 100%时，单元（A）的数量占 70%至 99%，单元（B）和单元（C）的总数量占 1%至 30%（按重量计），而当单元（B）和单元（C）的总数量为 100%时，单元（B）的数量占 1%至 100%，单元（C）的数量占 0%至 99%。
• RESIN PRODUCT AND MEDICINAL COMPONENT DISPENSING DEVICE
  申请人：Sumitomo Chemical Company, Limited

  公开号：EP3385332A1

  公开（公告）日：2018-10-10

  The present invention provides a resin product comprising: an active ingredient; a thermoplastic resin (2) having a melting enthalpy (ΔH) of 30 J/g or more, as observed by differential scanning calorimetry within a temperature range of 10°C or more and less than 60°C; and a thermoplastic resin (3) having a storage elastic modulus E' at 60°C of 5.0 × 105 Pa or more, as determined by dynamic viscoelasticity measurement at a frequency of 10 Hz. The present invention also provides a molded article comprising the resin product and a device for sustained-release of an active ingredient comprising a component consisting of the resin product.

  本发明提供了一种树脂产品，包括：活性成分；热塑性树脂（2），其熔化焓（ΔH）为 30 J/g 或更高，通过差示扫描量热法在 10°C 或更高且低于 60°C 的温度范围内进行观察；以及热塑性树脂（3），其在 60°C 时的存储弹性模量 E' 为 5.0 × 105 Pa 或更高，通过频率为 10 Hz 的动态粘弹性测量进行测定。本发明还提供了一种由该树脂产品组成的模塑制品和一种由该树脂产品组成的活性成分持续释放装置。