6-tert-butyl-2,3,4-trimethylphenol

• 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: 6-tert-butyl-2,3,4-trimethylphenol
• 英文别名: 6-(tert-Butyl)-2,3,4-trimethylphenol
• 化学式: C₁₃H₂₀O
• 分子量: 192.301
• InChiKey: IBFSAMQOXINELW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.3
• 重原子数：
  14
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.54
• 拓扑面积：
  20.2
• 氢给体数：
  1
• 氢受体数：
  1

反应信息

• 作为产物：
  描述：

  6-叔丁基间甲酚 以78%的产率得到6-tert-butyl-2,3,4-trimethylphenol
  参考文献：
  名称：

  Process for preparing monomethylated or dimethylated phenols

  摘要：

  对于具有##STR1##式的公式的对位或邻位对羟基单甲基化或二甲基化的酚，可以通过以下三个反应步骤a)、b)和c)来制备：在a)中，将具有至少一个自由对位或邻位对羟基的式为##STR2##的叔烷基取代的酚（II）与甲醛或其聚合物以及式为R.sup.3 --COOH的羧酸（III）反应，得到式为##STR3##的取代酚混合物；在b)中，使用催化活化氢将（IV）/(V）混合物加氢，得到式为##STR4##的取代酚；如果m=0，在c)中，将取代酚在酸裂解催化剂存在下与叔烯烃消除反应，得到式为(I)的甲基化酚。在加氢之前或期间，可以将式为(IV)和(V)的酚与式为R.sup.4 --OH（VII）的醇反应，得到式为##STR5##的醚化取代酚混合物，然后按照所示的方法加氢并去除叔烷基基团。

  公开号：

  US05723694A1

文献信息

• CARBOXYL GROUP-CONTAINING POLYURETHANE
  申请人：Showa Denko K.K.

  公开号：EP2390276B1

  公开（公告）日：2018-06-13
• Molding material, use thereof, and process for producing molding material
  申请人：Shibuya Atsushi

  公开号：US20100016542A1

  公开（公告）日：2010-01-21

  A molding material of the present invention includes a polymer having a repeating structural unit whose part or whole contains an alicyclic structure, a phenolic stabilizer, a hindered amine light stabilizer and a phosphorus stabilizer, in which at least a part of the phenolic stabilizer and/or hindered amine light stabilizer is presently adhering to the surface of particles of the above polymer.
• COMPOSITIONS COMPRISING POLYPHOSPHONATES AND ADDITIVES THAT EXHIBIT AN ADVANTAGEOUS COMBINATION OF PROPERTIES, AND METHODS RELATED THERETO
  申请人：Freitag Dieter

  公开号：US20100204354A1

  公开（公告）日：2010-08-12

  Disclosed are new compositions consisting of polyphosphonates and specific additive compositions that exhibit superior resistance to degradation due to exposure to air, high temperature and air, moisture or combinations thereof. Also disclosed are polymer mixtures or blends comprising these polyphosphonates/additive compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.
• ENCAPSULATED PHENOLIC ANTIOXIDANTS
  申请人：Pirrung Frank Oliver Heinrich

  公开号：US20120129995A1

  公开（公告）日：2012-05-24

  The present invention pertains to a concentrated aqueous polymer dispersion with an average particle size of less than 1000 nm comprising a polymer carrier, a non-polar organic phenolic antioxidant and a surfactant. The present invention also pertains to a process for the preparation of said concentrated aqueous polymer dispersion, to a polymer powder obtainable from said concentrated aqueous polymer dispersion, to a composition comprising an organic material and said concentrated aqueous polymer dispersion or said polymer powder and to the use of said concentrated aqueous polymer dispersion or said polymer powder as stabiliser for organic material.
• USE OF SQUARAMIDE IN THE PREVENTION AND/OR TREATMENT OF ROSACEA
  申请人：Aubert Jérôme

  公开号：US20130231393A1

  公开（公告）日：2013-09-05

  A compound of formula (I): or a pharmaceutically acceptable salt, a pharmaceutically acceptable solvate, or hydrate thereof are described. Also described, is the use of such a compound, salt, solvate or hydrate in the preparation of a medicament intended to treat rosacea.