1,2-dipropionyl-benzene | 92722-88-8

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 1,2-dipropionyl-benzene
• 英文别名: 1,2-Dipropionyl-benzol；1-(2-propanoylphenyl)propan-1-one
• CAS: 92722-88-8
• 化学式: C₁₂H₁₄O₂
• 分子量: 190.242
• InChiKey: JXPKZAIURUZECT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  14
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  34.1
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  alkaline earth salt of/the/ methylsulfuric acid 在 吡啶 、 silver(I) permanganate 作用下， 生成 1,2-dipropionyl-benzene
  参考文献：
  名称：

  Über die Eignung von 1,2-Diacyl-benzolen zum Nachweis und zur Bestimmung von Aminosäuren

  摘要：

  DOI：

  10.1007/bf00898455

文献信息

• Conformational Studies by Dynamic NMR. 62.¹ Stereomutations of Rotamers and of Conformational Enantiomers in 1,2-Diacylbenzenes
  作者：Daniele Casarini、Lodovico Lunazzi、Andrea Mazzanti

  DOI：10.1021/jo970669x

  日期：1997.10.1

  A number of 1,2-diacylbenzenes have been investigated by dynamic NMR spectroscopy. The 1,2-formyl derivative 1 was found to exist (at -162 degrees C) in the nearly coplanar ZE and EE conformations (70% and 30%, respectively) that interconvert with a free energy of activation of 4.9 kcal mol(-1). On the contrary, the more hindered 1,2-diisobutanoylbenzene (4) adopts a twisted conformation (as indicated by the C-13 spectrum at -157 degrees C) which, in principle, might correspond either to a meso or to a racemic stereolabile structure. Only the racemic conformer is, however, believed to be populated, and the interconversion barrier between the RR and SS conformational enantiomers has been determined (5.6 kcal mol(-1)). Although the 1,2-diacetyl- and 1,2-dipropanoylbenzenes did not exhibit dynamic NMR effects in solution, they were assigned a twisted (racemic) conformation on the basis of the corresponding solid state C-13 CP-MAS spectra, in that they display a 1:1 doublet signal for each pair of enantiotopic carbons. All these conclusions agree with the predictions of molecular mechanics calculations.
• Novel UV inhibitors and stabilizers, derived from a biomass feedstock source, for thermoplastic and thermosetting resins
  申请人：Tock Richard William

  公开号：US20080306188A1

  公开（公告）日：2008-12-11

  The invention relates in general to biomass derived compositions and methods of applying such biomass derived compositions to protect polymeric materials from degradation due to ultraviolet (“UV”) radiation or light and weathering. More particularly, the invention relates to the use of cotton gin waste to protect polymeric composites from degradation due to UV radiation and weathering. One embodiment of the present invention includes dusting the surface of liquid polymeric materials with a cotton gin waste powder to protect the polymeric material from UV radiation induced damage.
• Mark; Mehner, Zeitschrift für Kristallographie, 1927, vol. 65, p. 461
  作者：Mark、Mehner

  DOI：——

  日期：——