(Z)-ethyl 3-(2,4-dimethylphenyl)acrylate | 1499179-46-2

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 肉桂酸及其衍生物
• 英文名称: (Z)-ethyl 3-(2,4-dimethylphenyl)acrylate
• 英文别名: (Z)-ethyl-3-(2,4-dimethylphenyl)propenoate；ethyl (Z)-3-(2,4-dimethylphenyl)prop-2-enoate
• CAS: 1499179-46-2
• 化学式: C₁₃H₁₆O₂
• 分子量: 204.269
• InChiKey: DJKPEZCZGMMVFJ-FPLPWBNLSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.88
• 重原子数：
  15.0
• 可旋转键数：
  3.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.31
• 拓扑面积：
  26.3
• 氢给体数：
  0.0
• 氢受体数：
  2.0

反应信息

• 作为反应物：
  描述：

  (Z)-ethyl 3-(2,4-dimethylphenyl)acrylate 在 水 、 sodium hydroxide 作用下， 以 乙醇 为溶剂， 反应 4.0h， 以96%的产率得到(Z)-3-(2,4-dimethylphenyl)acrylic acid
  参考文献：
  名称：

  Substituent effects of cis-cinnamic acid analogues as plant growh inhibitors

  摘要：

  1-O-cis-Cinnamoyl-beta-D-glucopyranose is one of the most potent allelochemicals that has been isolated from Spiraea thunbergii Sieb by Hiradate et al. It derives its strong inhibitory activity from cis-cinnamic acid (cis-CA), which is crucial for phytotoxicity. By preparing and assaying a series of cis-CA analogues, it was previously found that the key features of cis-CA for lettuce root growth inhibition are a phenyl ring, cis-configuration of the alkene moiety, and carboxylic acid. On the basis of a structure-activity relationship study, the substituent effects on the aromatic ring of cis-CA were examined by systematic synthesis and the lettuce root growth inhibition assay of a series of cis-CA analogues having substituents on the aromatic ring. While ortho- and para-substituted analogues exhibited low potency in most cases, meta-substitution was not critical for potency, and analogues having a hydrophobic and sterically small substituent were more likely to be potent. Finally, several cis-CA analogues were found to be more potent root growth inhibitors than cis-CA. (C) 2013 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.phytochem.2013.08.013
• 作为产物：
  描述：

  2,4-二甲基苯甲醛 、 ethyl 2-[bis(2-isopropylphenoxy)phosphoryl]acetate 在 苄基三甲基氢氧化铵 作用下， 以 四氢呋喃 、 甲醇 为溶剂， 以94%的产率得到(Z)-ethyl 3-(2,4-dimethylphenyl)acrylate
  参考文献：
  名称：

  Substituent effects of cis-cinnamic acid analogues as plant growh inhibitors

  摘要：

  1-O-cis-Cinnamoyl-beta-D-glucopyranose is one of the most potent allelochemicals that has been isolated from Spiraea thunbergii Sieb by Hiradate et al. It derives its strong inhibitory activity from cis-cinnamic acid (cis-CA), which is crucial for phytotoxicity. By preparing and assaying a series of cis-CA analogues, it was previously found that the key features of cis-CA for lettuce root growth inhibition are a phenyl ring, cis-configuration of the alkene moiety, and carboxylic acid. On the basis of a structure-activity relationship study, the substituent effects on the aromatic ring of cis-CA were examined by systematic synthesis and the lettuce root growth inhibition assay of a series of cis-CA analogues having substituents on the aromatic ring. While ortho- and para-substituted analogues exhibited low potency in most cases, meta-substitution was not critical for potency, and analogues having a hydrophobic and sterically small substituent were more likely to be potent. Finally, several cis-CA analogues were found to be more potent root growth inhibitors than cis-CA. (C) 2013 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.phytochem.2013.08.013

文献信息

• Gold(I) Complexes in Ionic Liquids: An Efficient Catalytic System for the C-H Functionalization of Arenes and Heteroarenes under Mild Conditions
  作者：Marco Baron、Andrea Biffis

  DOI：10.1002/ejoc.201900529

  日期：2019.6.16

  Use of ionic liquids allows to boost the reactivity of gold(I) complexes as catalysts in the hydroarylation of alkynes with arenes and heteroarenes, enabling the use of <1 mol‐% catalyst under mild conditions (low temperature, no acid cocatalyst). The catalytic system also exhibits tunable selectivity and recyclability.

  离子液体的使用可以提高作为炔烃与芳烃和杂芳烃进行加氢芳基化反应的催化剂的金（I）配合物的反应性，从而可以在温和的条件下（低温，无酸助催化剂）使用<1 mol％的催化剂。催化体系还表现出可调的选择性和可回收性。
• Tandem oxidation–Wittig reaction using nanocrystalline barium manganate (BaMnO4); an improved one-pot protocol
  作者：Mohammad Gholinejad、Habib Firouzabadi、Maedeh Bahrami、Carmen Nájera

  DOI：10.1016/j.tetlet.2016.07.027

  日期：2016.8

  A one-pot, tandem oxidation-Wittig procedure has been developed in which the reacting components are generated in situ from alcohols, triphenyl phosphine, and ethyl bromoacetate using barium manganate as a mild oxidizing agent without the addition of an external base. (C) 2016 Elsevier Ltd. All rights reserved.