octadecyl 4-hydroxybenzoate | 71067-10-2

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: octadecyl 4-hydroxybenzoate
• CAS: 71067-10-2
• 化学式: C₂₅H₄₂O₃
• 分子量: 390.607
• InChiKey: ITYCRFXTOMEQFF-UHFFFAOYSA-N

物化性质

• 沸点：
  475.78°C (rough estimate)
• 密度：
  0.9621 (rough estimate)

计算性质

• 辛醇/水分配系数(LogP)：
  10.8
• 重原子数：
  28
• 可旋转键数：
  19
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.72
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  octadecyl 4-hydroxybenzoate 、 甲基丙烯酰氯 反应 1.5h， 生成 octadecyl 4-(methacryloyloxy)benzoate
  参考文献：
  名称：

  Novel Homo-and Co-polymers Based on 7-Methacryloyloxy-4-methylcoumarin: Synthesis, Antimicrobial Activity, Pour-Point Depressants and Their Effects on the Rheology of the Waxy Crude Oil

  摘要：

  DOI：

  10.21608/ejchem.2021.56228.3206
• 作为产物：
  描述：

  硬脂醇 、 对羟基苯甲酸 在 C₁₁H₁₄N₂*C₅H₉NO₂ 作用下， 以89%的产率得到octadecyl 4-hydroxybenzoate
  参考文献：
  名称：

  一种脯氨酸离子液体及其催化尼泊金酯的合成

  摘要：

  本发明公开了一种脯氨酸离子液体及其催化尼泊金酯的合成。于干燥的三口烧瓶中加入N‑丁基苯并咪唑、溶剂和脯氨酸，回流反应至反应完全（TLC监测）。蒸除溶剂，得淡黄色油状液体即脯氨酸离子液体。向干燥的三口瓶中加入对羟基苯甲酸，醇及脯氨酸离子液体，升温至回流反应，TLC监测至反应结束；减压蒸除溶剂，剩余物用乙醚萃取，乙醚相蒸除溶剂即得尼泊金甲酯，产率可达88%以上；剩余物即离子液体，经水洗、干燥后可循环使用多次。本发明方法高效、绿色环保、安全、催化剂可回收利用、降低了成本、对设备的要求低，是一种高效合成尼泊金酯的方法。

  公开号：

  CN111635364B

文献信息

• p-HYDROXYBENZOIC ACID DERIVATIVES
  申请人：Yoshitomi Pharmaceutical Industries, Ltd.

  公开号：EP0224592A1

  公开（公告）日：1987-06-10

  p-Hydroxybenzoic acid derivatives represented by formula (I), (wherein R represents an alkyl group having 2 or more carbon atoms or an aralkyl group, and Y represents a sulfur atom or sulfonyl group) have bactericidal and fungicidal activities and are useful as bactericides and fungicides. Further they are useful as intermediates for plasticizers, synthetic resins, dyes, functional polymers, antioxidants, etc.

  由式（I）代表的对羟基苯甲酸衍生物（其中 R 代表具有 2 个或多个碳原子的烷基或芳烷基，Y 代表硫原子或磺酰基）具有杀菌和杀真菌活性，可用作杀菌剂和杀真菌剂。 此外，它们还可用作增塑剂、合成树脂、染料、功能性聚合物、抗氧化剂等的中间体。
• Thermochromic solid having reversibly invisible/visible construction enclosed therein
  申请人：THE PILOT INK CO., LTD.

  公开号：EP1095996A1

  公开（公告）日：2001-05-02

  A solid has a reversibly invisible/visible thermochromic internal construction enclosed therein which is composed of a solid made of a transparent resin and a fluorescent internal construction showing the internal structure of the solid enclosed therein, wherein a reversible thermochromic layer containing a reversible thermochromic composition is formed on the surface of the solid, or the transparent resin contains a reversible thermochromic composition.

  一种固体具有可逆的不可见/可见热致变色内部结构，它由透明树脂制成的固体和显示内部结构的荧光内部结构组成，其中固体表面形成含有可逆热致变色成分的可逆热致变色层，或透明树脂含有可逆热致变色成分。
• POLYCARBONATE RESIN AND OPTICAL MATERIAL COMPRISING THE SAME
  申请人：Mitsubishi Gas Chemical Company, Inc.

  公开号：EP2019121A1

  公开（公告）日：2009-01-28

  A polycarbonate resin which is reduced in the change of hygroscopic-expansion coefficient with changing environmental humidity, is inhibited from warping, and is suitable for use as an optical material is provided with excellent productivity. The polycarbonate resin is obtained by reacting an aromatic dihydric phenol compound (2,2-bis(4-hydroxyphenyl)propane, etc.), a compound forming a carbonic ester (phosgene, etc.), and a chain terminator represented by the following general formula (A) (dodecyl 4-hydroxybenzoate, etc.). (In the formula (A), n is an integer of 10 - 20.)

  一种聚碳酸酯树脂可降低吸湿膨胀系数随环境湿度变化而发生的变化，抑制翘曲，并适合用作光学材料，生产效率极高。聚碳酸酯树脂是由芳香族二元苯酚化合物（2,2-双（4-羟基苯基）丙烷等）、形成碳酸酯的化合物（光气等）和由以下通式（A）代表的链终止剂（4-羟基苯甲酸十二烷基酯等）反应而得。式（A）中，n 为 10-20 的整数）。
• Heat-Sensitive Adhesive and Heat-Sensitive Adhesive Material
  申请人：Ricoh Company, Ltd.

  公开号：EP2072597A1

  公开（公告）日：2009-06-24

  The present invention provides a heat-sensitive adhesive containing at least a thermoplastic resin, a solid plasticizer, and an adhesion-imparting agent, wherein the adhesion-imparting agent is an adhesion-imparting agent emulsion which is prepared by emulsifying in the presence of a polymeric emulsifier.

  本发明提供了一种热敏粘合剂，至少含有一种热塑性树脂、一种固体增塑剂和一种附着力引发剂，其中附着力引发剂是一种附着力引发剂乳液，它是在聚合物乳化剂存在下通过乳化制备的。
• PRODUCTION PROCESS AND PURIFICATION PROCESS OF 4-HYDROXY-BENZOIC ACID LONG CHAIN ESTER
  申请人：Ueno Fine Chemicals Industry, Ltd.

  公开号：EP3088379A1

  公开（公告）日：2016-11-02

  The present invention relates to a production process of a 4-hydroxy-benzoic acid long chain ester, that includes a step of reacting a 4-hydroxy-benzoic acid short chain ester with an aliphatic alcohol in the presence of a metal catalyst. The present invention also relates to a purification process of a 4-hydroxy-benzoic acid long chain ester, that includes a step of adding an acid aqueous solution to a crude composition including the 4-hydroxy-benzoic acid long chain ester, separating the crude composition to an organic phase and a water phase and extracting the organic phase.

  本发明涉及一种4-羟基苯甲酸长链酯的生产工艺，包括在金属催化剂存在下使4-羟基苯甲酸短链酯与脂肪醇反应的步骤。本发明还涉及一种 4-羟基苯甲酸长链酯的提纯工艺，其步骤包括向包括 4-羟基苯甲酸长链酯的粗组合物中加入酸水溶液，将粗组合物分离为有机相和水相，并萃取有机相。