Octacosanamide | 140626-81-9

• 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: Octacosanamide
• CAS: 140626-81-9
• 化学式: C₂₈H₅₇NO
• 分子量: 423.8
• InChiKey: MYSPBSKLIFPWDI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  12.2
• 重原子数：
  30
• 可旋转键数：
  26
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.96
• 拓扑面积：
  43.1
• 氢给体数：
  1
• 氢受体数：
  1

文献信息

• Novel ultrasound contrast agents
  申请人：——

  公开号：US20040170565A1

  公开（公告）日：2004-09-02

  New ultrasound contrast agents that comprise microbubbles encapsulating a gas within a shell made from a blend of bipolar compounds having mixed carbon chain length. The compounds have hydrophobic groups selected from the group consisting of straight-chained alkyls, alkylethers, alkylthiolethers, alkyldisulfides, polyfluoroalkyls, and polyfluoroalkylethers having a carbon chain length greater than or equal to 16 and less than or equal to 32. The polar groups are connected to the hydrophobic groups by means of a linker. The polar head groups are selected from the group consisting of CO 2 -M + , SO 3 − M + , SO 4 − M + , PO 3 − M + , PO 4 − M + 2 , N(R) 4 + , a pyridinium or substituted pyridinium group, and a zwitterionic group; R is selected from the group consisting of —H, —CH 3 , alkyl, cycloalkyl, substituted cycloalkyls containing one or more heteroatoms, and benzyl and can be the same or different; and Z′ is a nonionic and M is a cation.

  新的超声造影剂包括微泡，其内部封装有气体，外壳由混合的双极化合物制成，其碳链长度混合。这些化合物具有疏水基团，所选的疏水基团来自于直链烷基，烷基醚，烷基硫醚，烷基二硫化物，多氟烷基和碳链长度大于或等于16且小于或等于32的多氟烷基醚。极性基团通过连接剂连接到疏水基团上。极性头基团来自于CO2-M+，SO3−M+，SO4−M+，PO3−M+，PO4−M+2，N(R)4+，吡啶或取代吡啶基团和带电离子的基团；R来自于—H，—CH3，烷基，环烷基，含有一个或多个杂原子的取代环烷基和苄基，并且可以相同也可以不同；Z′是非离子性的，M是一个阳离子。
• Magnet wire
  申请人：SUMITOMO ELECTRIC INDUSTRIES LIMITED

  公开号：EP0033224A1

  公开（公告）日：1981-08-05

  A magnet wire comprises a conductor having thereon an outermost insulating wire enamel layer, either directly or over another insulating layer. The wire enamel consists essentially of a polyamideimide wherein one or both ends of at least one polyamideimide molecule is a terminal linear alkyl group having at least 21 carbon atoms. The magnet wire has a high resistance to refrigerant as well as to thermal or mechanical damage and has a high lubricity.

  电磁线包括导体，导体上有一层最外层的绝缘漆包线层，可以直接绝缘，也可以覆盖在另一层绝缘漆包线层上。漆包线漆主要由聚酰胺酰亚胺组成，其中至少一个聚酰胺酰亚胺分子的一端或两端是具有至少 21 个碳原子的末端直链烷基。漆包线对制冷剂以及热损伤或机械损伤具有很高的耐受性，并且具有很高的润滑性。
• Thermochromic microencapsulated pigments
  申请人：THE PILOT INK CO., LTD.

  公开号：EP1084860A2

  公开（公告）日：2001-03-21

  Disclosed is a thermochromic microencapsulated pigment which comprises as four essential components (a) an electron-donating chromatic organic compound, (b) an electron-accepting compound, (c) a reaction medium determining the temperatures at which the color reactions of component (a) with component (b) take place, and (d) a color change temperature regulator, the color change temperature regulator (d) comprising one or more compounds selected from the group consisting of esters, alcohols, ketones, acid amides, hydrocarbons, and fatty acids and having a melting point Y (°C) satisfying the relationship (X+30)°C≤Y≤200°C, wherein X (°C) is the melting point of component (c), and the four essential components being microencapsulated.

  本发明公开了一种热致变色微胶囊颜料，它由四种基本成分组成：(a) 一种电子供色有机化合物；(b) 一种电子受色化合物；(c) 一种决定成分(a)与成分(b)发生颜色反应的温度的反应介质；(d) 一种变色温度调节剂、变色温度调节剂(d)包括一种或多种从酯、醇、酮、酸酰胺、烃和脂肪酸组成的组中选出的化合物，其熔点 Y(℃)满足(X+30)℃≤Y≤200℃的关系，其中 X(℃)是组分(c)的熔点，四种基本组分被微胶囊化。
• 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。
• Thermally color-developing reversibly thermochromic pigment
  申请人：THE PILOT INK CO., LTD.

  公开号：EP1323540A2

  公开（公告）日：2003-07-02

  A thermally color-developing reversibly thermochromic pigment which shows a uniform color density in the coloring temperature range and also shows an optional ΔH value within a range of from 3 to 40°C of the ΔH value (hysteresis temperature range) in a temperature-color density curve. Thermally color-developing reversibly thermochromic pigments of a three component system having a ΔH value of within a range of from 7 to 40°C in which at least essential three components including (a) an electron-donating chromic organic compound, (b) a specified compound selected from gallic acid esters and (c) a reaction medium selected from alcohols, esters, ketones and hydrocarbons, which reversibly generates color reactions of both of the compounds within a specified temperature range and has a melting point of less than 50°C, are microencapsulated, and of a four component system having a ΔH value of within a range of from 3 to 25°C in which a compound (d) selected from monomer compounds having a melting point of 50°C or more or polymer compounds having a softening point of 70°C or more is added to the three component system.

  一种热显色可逆热致变色颜料，在着色温度范围内显示出均匀的色密度，同时在温度-色密度曲线上显示出ΔH 值在ΔH 值的 3 至 40°C 范围内（滞后温度范围）的可选ΔH 值。热显色可逆热致变色颜料的三组分体系，其 ΔH 值在 7 至 40°C 范围内，其中至少必不可少的三组分包括：(a) 电子负载铬有机化合物；(b) 选自没食子酸酯的特定化合物；(c) 选自醇、酯、酮和烃的反应介质、(c)选自醇、酯、酮和碳氢化合物的反应介质；(d)选自熔点为 50℃或以上的单体化合物或软化点为 70℃或以上的聚合物化合物的化合物；(e)选自熔点为 50℃或以上的单体化合物或软化点为 70℃或以上的聚合物化合物的反应介质。