N-phenacylquinuclidinium chloride | 130699-25-1

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: N-phenacylquinuclidinium chloride
• 英文别名: 2-(1-Azoniabicyclo[2.2.2]octan-1-yl)-1-phenylethanone;chloride
• CAS: 130699-25-1
• 化学式: C₁₅H₂₀NO*Cl
• 分子量: 265.783
• InChiKey: KGSULVHOXQJQPP-UHFFFAOYSA-M

计算性质

• 辛醇/水分配系数(LogP)：
  -0.5
• 重原子数：
  18
• 可旋转键数：
  3
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.53
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  奎宁环 、 alpha-氯乙酰苯 生成 N-phenacylquinuclidinium chloride
  参考文献：
  名称：

  Equilibrium acidities and homolytic bond dissociation energies of the acidic carbon-hydrogen bonds in N-substituted trimethylammonium and pyridinium cations

  摘要：

  Equilibrium acidities (pK(HA)s) of the cations in sixteen N-substituted trimethylammonium salts, one N-phenacylquinuclidinium salt, eight N-substituted pyridinium salts, and N-(ethoxycarbonyl)isoquinolinium bromide, together with the oxidation potentials of their conjugate bases, have been determined in dimethyl sulfoxide (DMSO) solution. The acidifying effects of the alpha-trimethylammonium groups (alpha-Me3N+) and the alpha-pyridinium groups (alpha-PyN+) on the adjacent acidic C-H bonds in these cations were found to average about 10 and 18 pK(HA) units, respectively, in DMSO. The homolytic bond dissociation energies of the acidic C-H bonds in these cations, estimated by the combination of the equilibrium acidities with the oxidation potentials of their corresponding conjugate bases (ylides), show that the alpha-trimethylammonium groups destabilize adjacent radicals by 2-6 kcal/mol, whereas alpha-pyridinium groups stabilize adjacent radicals by 3-6 kcal/mol. The effects of alpha-pyridinium groups on the stabilization energies of the radicals derived from these cations were found to be ca. 4-10 kcal/mol smaller than those of the corresponding phenyl groups, whereas their effects on the equilibrium acidities of the cations were 5.4-13.1 pK(HA) units larger. The pK(HA) value of tetramethylammonium cation (Me4N+) was estimated by extrapolation to be about 42 in DMSO.

  DOI：

  10.1021/jo00063a026

文献信息

• GLYCINE DERIVATIVES AND MEDICINAL COMPOSITIONS THEREOF
  申请人：AMARI Gabriele

  公开号：US20120134934A1

  公开（公告）日：2012-05-31

  Alkaloid aminoester derivatives according to formula (I) and (VI) act as muscarinic receptor antagonists.

  生物碱氨酯衍生物根据式(I)和(VI)作为肌碱受体拮抗剂。
• US8772314B2
  申请人：——

  公开号：US8772314B2

  公开（公告）日：2014-07-08
• Equilibrium acidities and homolytic bond dissociation energies of the acidic carbon-hydrogen bonds in N-substituted trimethylammonium and pyridinium cations
  作者：Xian Man Zhang、Frederick G. Bordwell、Michael Van Der Puy、Herbert E. Fried

  DOI：10.1021/jo00063a026

  日期：1993.5

  Equilibrium acidities (pK(HA)s) of the cations in sixteen N-substituted trimethylammonium salts, one N-phenacylquinuclidinium salt, eight N-substituted pyridinium salts, and N-(ethoxycarbonyl)isoquinolinium bromide, together with the oxidation potentials of their conjugate bases, have been determined in dimethyl sulfoxide (DMSO) solution. The acidifying effects of the alpha-trimethylammonium groups (alpha-Me3N+) and the alpha-pyridinium groups (alpha-PyN+) on the adjacent acidic C-H bonds in these cations were found to average about 10 and 18 pK(HA) units, respectively, in DMSO. The homolytic bond dissociation energies of the acidic C-H bonds in these cations, estimated by the combination of the equilibrium acidities with the oxidation potentials of their corresponding conjugate bases (ylides), show that the alpha-trimethylammonium groups destabilize adjacent radicals by 2-6 kcal/mol, whereas alpha-pyridinium groups stabilize adjacent radicals by 3-6 kcal/mol. The effects of alpha-pyridinium groups on the stabilization energies of the radicals derived from these cations were found to be ca. 4-10 kcal/mol smaller than those of the corresponding phenyl groups, whereas their effects on the equilibrium acidities of the cations were 5.4-13.1 pK(HA) units larger. The pK(HA) value of tetramethylammonium cation (Me4N+) was estimated by extrapolation to be about 42 in DMSO.