5-trifluoromethyl-2-[2-hydroxy-5-(2-hydroxyethyl)phenyl]-2H-benzotriazole

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 5-trifluoromethyl-2-[2-hydroxy-5-(2-hydroxyethyl)phenyl]-2H-benzotriazole
• 英文别名: 4-(2-Hydroxyethyl)-2-[5-(trifluoromethyl)benzotriazol-2-yl]phenol
• 化学式: C₁₅H₁₂F₃N₃O₂
• 分子量: 323.274
• InChiKey: YBGAHDSWZZNBNR-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.4
• 重原子数：
  23
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  71.2
• 氢给体数：
  2
• 氢受体数：
  7

反应信息

• 作为产物：
  描述：

  对羟基苯乙醇 生成 5-trifluoromethyl-2-[2-hydroxy-5-(2-hydroxyethyl)phenyl]-2H-benzotriazole
  参考文献：
  名称：

  Benzotriazole UV absorbers having enhanced durability

  摘要：

  苯并三唑紫外吸收剂，在苯环的5位被电子吸引基团取代时，当加入到汽车涂料中时表现出增强的耐久性和非常低的损耗率。特别是当苯环的3位也被苯基或苯基烷基（如α-叔丁基）取代时，情况尤为明显。当苯环的5位被全氟烷基（如三氟甲基）取代时，这些化合物特别引人关注，因为它们在某些热塑性组合物中具有增强的耐久性、优异的溶解性和优异的色彩性能，当苯环在3位被氢或叔烷基取代时。

  公开号：

  US06166218A1

文献信息

• Benzotriazoles containing phenyl groups substituted by heteroatoms and compositions stabilized therewith
  申请人：——

  公开号：US20030004235A1

  公开（公告）日：2003-01-02

  2H-Benzotriazole UV absorbers substituted at the 3-position and/or the 5-position of the phenyl ring by a phenyl moiety which is substituted by a heteroatom are particularly photostable in automotive coatings, and are of low color and exhibit low volatility in thermoplastic compositions.

  3-位和/或5-位被苯基环上的苯基取代的2H-苯并三唑紫外线吸收剂，其被异原子取代的苯基特别在汽车涂料中具有光稳定性，并且在热塑性复合材料中具有低色度和低挥发性。
• Processes for the preparation of benzotriazole UV absorbers
  申请人：——

  公开号：US20020035175A1

  公开（公告）日：2002-03-21

  Provided is a process for preparing 2H-benzotriazole UV absorbers containing a perfluoroalkyl moiety at the 5-position of the benzo ring, for example a trifluoromethyl group, which involves diazotizing the perfluoroalkyl substituted o-nitroaniline using concentrated sulfuric acid plus sodium nitrite or nitrosylsulfuric acid to form the corresponding monoazobenzene intermediate via the diazonium salt intermediate which is reduced to the corresponding 5-perfluoroalkyl substituted 2H-benzotriazole UV absorber compound by conventional reduction means. Also provided is a novel one-pot, multiphase reaction for the preparation of 2(2-nitrophenylazo) substituted phenols, which are precursors for 2H-benzotriazole UV absorbers.

  提供了一种制备在苯环的5位含有全氟烷基基团（例如三氟甲基基团）的2H-苯并三唑紫外吸收剂的方法，该方法涉及使用浓硫酸加硝酸钠或亚硝基硫酸制备全氟烷基取代的邻硝基苯胺，以形成相应的单氮偶联苯中间体，通过传统还原手段将二氮盐中间体还原为相应的5-全氟烷基取代的2H-苯并三唑紫外吸收剂化合物。还提供了一种用于制备2(2-硝基苯基偶氮)取代酚的新型一锅多相反应，这些化合物是2H-苯并三唑紫外吸收剂的前体。
• Hydroxy-substituted N-alkoxy hindered amines and compositions stabilized therewith
  申请人：——

  公开号：US20010016658A1

  公开（公告）日：2001-08-23

  Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.

  在N原子上取代了一个—O—E—OH基团的阻碍胺对稳定聚烯烃和汽车涂料组合物，以对抗氧化、热和光辐射的有害影响特别有效，其中化合物上OH基团的存在增加了重要性质，这是正常的—O—E基团所无法达到的。
• Hydroxy-substituted N-Alkoxy hindered amines and compositions stabilized therewith
  申请人：——

  公开号：US20010031872A1

  公开（公告）日：2001-10-18

  Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.

  在氮原子上取代了-O-E-OH基团的受阻胺在稳定聚烯烃和汽车涂料组合物抵抗氧化、热和光辐射的有害影响方面特别有效，其中化合物上OH基团的存在增加了重要的性质，这是使用正常的-O-E基团无法达到的。
• 2H-benzotriazole UV absorbers substituted with 1,1-diphenylakyl groups and compositions stabilized therewith
  申请人：——

  公开号：US20020169239A1

  公开（公告）日：2002-11-14

  2H-Benzotriazole UV absorbers substituted at the 3-position or at the 5-position of the phenyl ring by a 1,1-diphenylalkyl moiety, particularly a 1,1-diphenylethyl group, are particularly photostable in automotive coatings, and are of low color and exhibit low volatility in thermoplastic compositions.

  在汽车涂料中，3-位置或5-位置的苯环上被1,1-二苯基烷基基团（特别是1,1-二苯乙基基团）取代的2H-苯并三唑紫外线吸收剂，具有特别的光稳定性，并且在热塑性组合物中具有低色度和低挥发性。