2-(4-methoxyphenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-ol | 735278-76-9

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯酚醚
• 英文名称: 2-(4-methoxyphenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-ol
• 英文别名: 1-Hydroxy-2-(4-methoxyphenyl)-4,4,5,5-tetramethylimidazole
• CAS: 735278-76-9
• 化学式: C₁₄H₂₀N₂O₂
• 分子量: 248.325
• InChiKey: WZXWPZQPNOGSCX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  18
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  45.1
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  2-(4-methoxyphenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-ol 在 sodium hydroxide 作用下， 以 乙醚 、 氯仿 为溶剂， 反应 48.67h， 生成 1,4,4,5,5-pentamethyl-2-(4-methoxyphenyl)-4,5-dihydro-1H-imidazole 3-oxide
  参考文献：
  名称：

  Aminonitrone-N-hydroxyaminoimine tautomeric equilibrium in the series of 1-hydroxy-2-imidazolines

  摘要：

  A series of 2-substituted 1-hydroxy-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazoles have been synthesized. Various effects on the state of the aminonitrone-N-hydroxyaminoimine tautomeric equilibrium, including solvent effects and substituent effect in the 2 position of heterocycle, have been studied. (C) 2004 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.molstruc.2004.02.028
• 作为产物：
  描述：

  1,3-dihydroxy-2-(4-methoxyphenyl)-4,4,5,5-tetramethylimidazolidine 在 magnesium sulfate 作用下， 以 四氢呋喃 为溶剂， 反应 24.0h， 以206 mg的产率得到2-(4-methoxyphenyl)-4,4,5,5-tetramethyl-4,5-dihydro-1H-imidazol-1-ol
  参考文献：
  名称：

  A new class of analgesic agents toward prostacyclin receptor inhibition: Synthesis, biological studies and QSAR analysis of 1-hydroxyl-2-substituted phenyl-4,4,5,5-tetramethylimidazolines

  摘要：

  By studying the structural similarity of analgesic imidazolines and 2-phenylnitronyl nitroxides, 20 1-hydroxyl-2-substituted phenyl-4,4,5,5-tetramethylimidazolines (2a-t) were newly synthesized as selective antagonists of prostacyclin receptor (IP receptor). In the in vivo tail-flick assay, 2a-t (dose, 0.13 mmol/kg) receiving mice showed increased pain thresholds ranging from 20.52 +/- 7.25% to 90.94 +/- 11.97%, which were significantly higher than that ranged from 12.27 +/- 9.56% to 17.71 +/- 7.00% shown by normal saline (NS) receiving mice. In the in vivo tail bleeding assay, 2a-t (dose, 1.30 mmol/kg) receiving mice gave a bleeding time ranging from 116.3 +/- 8.0 s to 119.6 +/- 7.1 s, and NS receiving mice gave a bleeding time ranging from 116.7 +/- 7.5 s to 119.1 +/- 8.7 s, which were at a substantially equal level. These observations imply that no bleeding risk occurred even when 10-fold dose of analgesic assay was used. In the in vitro vasorelaxation assay, it was found that when the aortic strip contracted by noradrenaline (NE, final concentration, 10(-7) M) was treated with the solution of 2a-t in NS (final concentration, 5 x 10(-3) M) only lower percentage inhibitions ranged from 6.63 +/- 2.72% to 46.28 +/- 2.63% were recorded. Relatively higher concentration of 2a-t (5 x 10(-3) M) and relatively lower percentage inhibitions (13 of 20 less than 23.27 +/- 3.47%) suggest that 2a-t exhibit few vasodilation activity. To shed some light on the potential analgesic mechanisms of 2a-t, moreover, a QSAR analysis was carried out by using the multiple linear regression method. Taken altogether, the current study confirms that as selective antagonist of IP receptor 1-hydroxyl-2-substituted phenyl-4,4,5,5-tetramethylimidazoline may be a promising lead compound of analgesic agent without cardiovascular and bleeding side effects. (C) 2007 Elsevier Masson SAS. All rights reserved.

  DOI：

  10.1016/j.ejmech.2007.07.007

文献信息

• LACCASES FOR BIO-BLEACHING
  申请人：BASF ENZYMES LLC

  公开号：US20160237411A1

  公开（公告）日：2016-08-18

  Provided herein are isolated laccase enzymes and nucleic acids encoding them. Also provided are mediators for laccase reactions. Also provided herein are methods for using laccases to oxidize lignins, other phenolic, and aromatic compounds, such as for bio-bleaching and decolorization of wood pulp under high temperature and pH conditions to facilitate a substantial reduction in use of bleaching chemicals, as well as for treatment of fibers.

  本文提供了孤立的漆酶酶和编码它们的核酸。还提供了漆酶反应的介质。此外，本文提供了使用漆酶氧化木质素、其他酚类和芳香化合物的方法，例如在高温和pH条件下对木浆进行生物漂白和脱色，以实现大幅减少漂白化学品的使用，以及用于纤维处理。
• Laccases for pulp bio-bleaching
  申请人：BASF Enzymes LLC

  公开号：EP2434008B1

  公开（公告）日：2015-07-08
• US8951766B2
  申请人：——

  公开号：US8951766B2

  公开（公告）日：2015-02-10