胆固醇异丙基碳酸盐 | 78916-25-3

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 类固醇和类固醇衍生物
• 中文名称: 胆固醇异丙基碳酸盐
• 中文别名: 胆固醇异丙基碳酸酯
• 英文名称: 3β-(isopropoxycarbonyloxy)cholest-5-ene
• 英文别名: Cholesterol Isopropyl Carbonate；[(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] propan-2-yl carbonate
• CAS: 78916-25-3
• 化学式: C₃₁H₅₂O₃
• mdl: MFCD00059507
• 分子量: 472.752
• InChiKey: DFGCTZUMTALIQV-GTPODGLVSA-N

物化性质

• 熔点：
  109 °C
• 沸点：
  546.9±20.0 °C(Predicted)
• 密度：
  1.01±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  10.3
• 重原子数：
  34
• 可旋转键数：
  9
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.903
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  3β,6β-bis(chlorocarbonyloxy)-5α-cholestane 、 异丙醇 在 吡啶 作用下， 反应 24.0h， 以72%的产率得到3β,6β-bis(isopropoxycarbonyloxy)-5α-cholestane
  参考文献：
  名称：

  Barrett, Anthony G. M.; Prokopiou, Panayiotis A.; Barton, Derek H. R., Journal of the Chemical Society. Perkin transactions I, 1981, p. 1510 - 1516

  摘要：

  DOI：

文献信息

• TEMPERATURE DETECTION MATERIAL, TEMPERATURE DETECTION INK USING SAME, TEMPERATURE INDICATOR, METHOD FOR MANUFACTURING TEMPERATURE DETECTION MATERIAL, AND PRODUCT MANAGEMENT SYSTEM
  申请人：HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.

  公开号：EP3557208A1

  公开（公告）日：2019-10-23

  An object of the present invention is to provide a temperature detection material that can be manufactured through a simple step and is excellent in handleability. In order to solve the above problem, the temperature detection material according to the present invention includes a temperature-indicating material including a leuco dye, a color developer, and a color eraser and a matrix material; and is characterized in that the matrix material is in a solid state, a melting point of the matrix material is higher than a melting point of the temperature-indicating material, and a phase separation structure in which the temperature-indicating material disperses in the matrix material is formed.

  本发明的目的是提供一种温度检测材料，该材料可通过简单的步骤制造，且操作性极佳。为了解决上述问题，根据本发明的温度检测材料包括一种温度指示材料，其中包括一种白兰地染料、一种显色剂和一种擦色剂以及一种基体材料；其特征在于，基体材料处于固态，基体材料的熔点高于温度指示材料的熔点，并且形成了温度指示材料分散在基体材料中的相分离结构。
• TEMPERATURE DETECTION MATERIAL, TEMPERATURE DETECTION INK USING SAME, TEMPERATURE INDICATOR, AND ARTICLE MANAGEMENT SYSTEM
  申请人：HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.

  公开号：EP3614113A1

  公开（公告）日：2020-02-26

  A temperature detecting material comprises a first material containing a first temperature indicating material (temperature indicating material A) and a second material containing a second temperature indicating material (for example, temperature indicating material B), wherein the first temperature indicating material and the second temperature indicating material contain a leuco dye, a color developing agent, and a decoloring agent, and have a hysteresis characteristic in their color density-temperature curves, wherein the first temperature indicating material has a color developing temperature (Ta1 (Ta1A)) in a temperature increase process lower than a decoloring temperature (Td1 (Td1A)) in the temperature increase process, and turns to a non-crystalline state and is kept in a decoloring state when cooled down below the color developing temperature (Ta1) in the temperature increase process with a predetermined cooling speed or more after melting, wherein the second temperature indicating material, a color developing temperature (Ta2 (Ta2B)) is lower than a decoloring temperature (Td2 (Td2B)) in the temperature increase process, and wherein the color developing temperature (Ta1) in the temperature increase process is lower than the decoloring temperature (Td2) in the temperature increase process and the color developing temperature (Ta2) is lower than the color developing temperature (Ta1) in the temperature increase process.

  一种温度检测材料包括含有第一种温度指示材料（温度指示材料 A）的第一种材料和含有第二种温度指示材料（例如温度指示材料 B）的第二种材料，其中第一种温度指示材料和第二种温度指示材料含有一种白兰地染料、其中第一温度指示材料和第二温度指示材料含有一种白光染料、一种显色剂和一种脱色剂，它们的色密度-温度曲线具有滞后特性，其中第一温度指示材料在升温过程中的显色温度（Ta1 (Ta1A)）低于升温过程中的脱色温度（Td1 (Td1A)）、并在熔化后以预定的冷却速度冷却到升温过程中的显色温度 (Ta1) 以下时变成非结晶状态并保持脱色状态，其中第二温度指示材料的显色温度 (Ta2 (Ta2B)) 低于升温过程中的脱色温度 (Td2 (Td2B))、其中温度升高过程中的显色温度 (Ta1) 低于温度升高过程中的脱色温度 (Td2)，显色温度 (Ta2) 低于温度升高过程中的显色温度 (Ta1)。
• TEMPERATURE SENSING MATERIAL, AND TEMPERATURE DEVIATION TIME ESTIMATING SYSTEM EMPLOYING SAME
  申请人：HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.

  公开号：EP3730911A1

  公开（公告）日：2020-10-28

  An object of the present invention is to provide a temperature sensing material that changes a color density continuously with the lapse of time at a temperature not lower or higher than a predetermined temperature and a temperature deviation time estimating system using it. In order to achieve the above object, the temperature sensing material according to the present invention is a temperature sensing material having a structure of dispersing a temperature indicating material that changes color by crystallization in a dispersion medium and is characterized in that an average particle size of the temperature indicating material is not larger than a resolution when observed and a volume fraction of the temperature indicating material to the temperature sensing material is not less than 5%.

  本发明的目的是提供一种温度传感材料，它能在不低于或高于预定温度的条件下随着时间的推移连续改变颜色密度，并提供一种使用它的温度偏差时间估计系统。为了实现上述目的，根据本发明的温度传感材料是一种温度传感材料，其结构是在分散介质中分散通过结晶变色的温度指示材料，其特征在于温度指示材料的平均粒度在观察时不大于分辨率，并且温度指示材料占温度传感材料的体积分数不小于 5%。
• TEMPERATURE DETECTION INK, TEMPERATURE DETECTION INK INITIALIZATION METHOD, TEMPERATURE INDICATOR, AND ARTICLE MANAGEMENT SYSTEM
  申请人：HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.

  公开号：EP3745106A1

  公开（公告）日：2020-12-02

  It is possible to provide a temperature detection ink, which allows color initialization by a simple method and discolors with addition of time and temperature at a reaction temperature or higher. To solve the problem, the temperature detection ink according to the present invention includes a temperature detection material and a solvent. The temperature detection material has a structure in which a thermosensitive material containing a leuco dye, a color-developing agent, and a decolorant is contained in a microcapsule, or a structure in which a phase containing the thermosensitive material is phase-separated from a matrix material. The thermosensitive material is solidified while being decolored by cooling from a molten state to a glass transition temperature or lower at a predetermined rate or higher. The thermosensitive material has a glass transition temperature of -20 to 60°C, and a melting point that is 60 to 250°C and lower than the boiling point of the solvent.

  有可能提供一种温度检测墨水，它可以通过简单的方法初始化颜色，并在反应温度或更高的温度下随着时间和温度的增加而褪色。为了解决这个问题，本发明的温度检测墨水包括温度检测材料和溶剂。温度检测材料的结构是在微胶囊中含有一种热敏材料，其中包含一种白兰地染料、一种显色剂和一种脱色剂，或者是含有热敏材料的相与基体材料相分离的结构。在脱色过程中，热敏材料以预定或更高的速度从熔融状态冷却到玻璃化转变温度或更低的温度，从而固化。热敏材料的玻璃化温度为-20 至 60°C，熔点为 60 至 250°C，低于溶剂的沸点。
• TEMPERATURE DETECTION LABEL AND ARTICLE MANAGEMENT DEVICE USING SAME
  申请人：Hitachi, Ltd.

  公开号：EP3745105A1

  公开（公告）日：2020-12-02

  The present invention addresses the problem of providing a temperature detection label capable of preventing falsification using a simple structure. To solve this problem, the present invention provides a temperature detection label that is characterized by comprising a supporting member and a temperature detection part provided on the supporting member and in that: the temperature detection part has a temperature detection material that, in a heating process, starts color development at temperature T1 and starts losing color as a result of melting at temperature T2 and, in a cooling process, solidifies while remaining colorless by being cooled to temperature T1 or lower; the temperature detection material includes a leuco dye, decolorizer, and developer; and the temperature detection label also comprises a member having an appearance that changes between T1 and T2, inclusive, or a high-melting-point material having a melting point or glass transition temperature higher than T2.

  本发明要解决的问题是提供一种结构简单、能够防止伪造的温度检测标签。为了解决这个问题，本发明提供了一种温度检测标签，其特征在于包括一个支撑部件和一个设置在支撑部件上的温度检测部件，其中，温度检测部件具有温度检测材料：温度检测部件具有温度检测材料，该材料在加热过程中，在温度 T1 开始显色，在温度 T2 熔化而开始失色，在冷却过程中，冷却到温度 T1 或更低温度时，固化而保持无色；温度检测材料包括白兰地染料、脱色剂和显影剂；温度检测标签还包括具有在 T1 和 T2（包括 T1 和 T2）之间外观变化的部件，或熔点或玻璃化转变温度高于 T2 的高熔点材料。

表征谱图