4-cyanophenyl 2-methoxybenzoate | 849902-76-7

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 缩酚酸和缩酚酸环醚类
• 英文名称: 4-cyanophenyl 2-methoxybenzoate
• 英文别名: o-Anisic acid, 4-cyanophenyl ester；(4-cyanophenyl) 2-methoxybenzoate
• CAS: 849902-76-7
• 化学式: C₁₅H₁₁NO₃
• 分子量: 253.257
• InChiKey: OUGMXEXLTZKKID-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  19
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.07
• 拓扑面积：
  59.3
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  哌啶 、 4-cyanophenyl 2-methoxybenzoate 以 乙腈 为溶剂， 生成 (2-methoxyphenyl)(piperidin-1-yl)methanone 、
  参考文献：
  名称：

  Aminolysis of Y-Substituted-phenyl 2-Methoxybenzoates in Acetonitrile: Effect of the o-Methoxy Group on Reactivity and Reaction Mechanism

  摘要：

  Second-order rate constants (k(N)) were measured for aminolyses of Y-substituted-phenyl 2-methoxybenzoates 2a-i and 4-nitrophenyl X-substituted-benzoates 3a-j in MeCN at 25.0 degrees C. The Bronsted-type plot for the reactions of 2a-i with piperidine curves downward, indicating that a change in rate-determining step (RDS) occurs. The Hammett plot for the reactions of 3a-j with piperidine consists of two intersecting straight lines, which might be taken as evidence for a change in RDS. However, the nonlinear Hammett plot has been suggested not to be due to a change in RDS but rather to the stabilization of the ground state of substrates possessing an electron-donating group (EDG) (e.g., 3a-c) through a resonance interaction, since the corresponding Yukawa-Tsuno plot exhibits an excellent linear correlation with rho = 0.54 and r = 1.54. The rho value found for the reactions of 3a-j in MeCN is much smaller than that reported previously for the corresponding reactions in H2O (i.e., rho = 0.75). It is proposed that the reactions of 3a-j in MeCN proceed through a forced concerted mechanism due to instability of T-+/- in the aprotic solvent, while the reactions of 2a-i proceed through a stepwise pathway with a stabilized T-+/- through an intramolecular H-bonding interaction.

  DOI：

  10.1021/jo201387h
• 作为产物：
  描述：

  4-碘氰基苯 、 邻甲氧基苯甲酸 在 potassium phosphate 、 1-(2,2-diphenyl-2λ⁴,3λ⁴-[1,3,2]diazaborolo[4,5,1-ij]quinolin-1(2H)-yl)-3-phenylpropan-1-one 、 4,4'-二叔丁基-2,2'-二吡啶 、 nickel dibromide 作用下， 以 二甲基亚砜 为溶剂， 反应 22.0h， 以87%的产率得到4-cyanophenyl 2-methoxybenzoate
  参考文献：
  名称：

  Dual aminoquinolate diarylboron and nickel catalysed metallaphotoredox platform for carbon–oxygen bond construction

  摘要：

  一种新的基于硼的光催化剂已被应用于金属光氧化还原催化的碳-氧键构建反应中。

  DOI：

  10.1039/d0cc03230a

文献信息

• Dual aminoquinolate diarylboron and nickel catalysed metallaphotoredox platform for carbon–oxygen bond construction
  作者：Weisai Zu、Craig Day、Lanfeng Wei、Xin Jia、Liang Xu

  DOI：10.1039/d0cc03230a

  日期：——

  A new boron-based photocatalyst has been applied in metallaphotoredox catalyzed carbon–oxygen bond construction reactions.

  一种新的基于硼的光催化剂已被应用于金属光氧化还原催化的碳-氧键构建反应中。
• Aminolysis of Y-Substituted-phenyl 2-Methoxybenzoates in Acetonitrile: Effect of the <i>o</i>-Methoxy Group on Reactivity and Reaction Mechanism
  作者：Ik-Hwan Um、Ae Ri Bae

  DOI：10.1021/jo201387h

  日期：2011.9.16

  Second-order rate constants (k(N)) were measured for aminolyses of Y-substituted-phenyl 2-methoxybenzoates 2a-i and 4-nitrophenyl X-substituted-benzoates 3a-j in MeCN at 25.0 degrees C. The Bronsted-type plot for the reactions of 2a-i with piperidine curves downward, indicating that a change in rate-determining step (RDS) occurs. The Hammett plot for the reactions of 3a-j with piperidine consists of two intersecting straight lines, which might be taken as evidence for a change in RDS. However, the nonlinear Hammett plot has been suggested not to be due to a change in RDS but rather to the stabilization of the ground state of substrates possessing an electron-donating group (EDG) (e.g., 3a-c) through a resonance interaction, since the corresponding Yukawa-Tsuno plot exhibits an excellent linear correlation with rho = 0.54 and r = 1.54. The rho value found for the reactions of 3a-j in MeCN is much smaller than that reported previously for the corresponding reactions in H2O (i.e., rho = 0.75). It is proposed that the reactions of 3a-j in MeCN proceed through a forced concerted mechanism due to instability of T-+/- in the aprotic solvent, while the reactions of 2a-i proceed through a stepwise pathway with a stabilized T-+/- through an intramolecular H-bonding interaction.