trans-2-Methoxy-4,5-methylenedioxycinnamaldehyde | 67323-02-8

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 肉桂醛
• 英文名称: trans-2-Methoxy-4,5-methylenedioxycinnamaldehyde
• 英文别名: (E)-3-(6-methoxy-1,3-benzodioxol-5-yl)prop-2-enal
• CAS: 67323-02-8
• 化学式: C₁₁H₁₀O₄
• 分子量: 206.19
• InChiKey: BNJOMEMREVKHBU-NSCUHMNNSA-N

物化性质

• 熔点：
  117 °C
• 沸点：
  353.4±37.0 °C(Predicted)
• 密度：
  1.265±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  15
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.18
• 拓扑面积：
  44.8
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  trans-2-Methoxy-4,5-methylenedioxycinnamaldehyde 生成 5-[(E)-2-[3,6-bis(ethenyl)oxan-2-yl]ethenyl]-6-methoxy-1,3-benzodioxole
  参考文献：
  名称：

  DALLACKER, FRANZ;SEMMLER, RALPH;HARTMANN, KLAUS;KEIM, WILHELM;ILSEMANN, G+, CHEM.-ZTG., 112,(1988) N 7, C. 223-228

  摘要：

  DOI：
• 作为产物：
  描述：

  6-甲氧基-1,3-苯并二氧-5-甲醛 、 乙烯基乙醚 、 原甲酸三乙酯 、 对甲苯磺酸 、 氯化锌 、 磷酸 生成 trans-2-Methoxy-4,5-methylenedioxycinnamaldehyde
  参考文献：
  名称：

  DALLACKER, FRANZ;SEMMLER, RALPH;HARTMANN, KLAUS;KEIM, WILHELM;ILSEMANN, G+, CHEM.-ZTG., 112,(1988) N 7, C. 223-228

  摘要：

  DOI：

文献信息

• Process for the preparation of substituted trans-cinnamaldehyde, a natural yellow dye, from phenylpropane derivatives
  申请人：——

  公开号：US20020133045A1

  公开（公告）日：2002-09-19

  The present invention relates to the preparation of substituted trans-cinnamaldehyde, a natural yellow dye from Phenylpropane derivatives having R 2 -R 3 -R 4 -R 5 -R 6 substitution, wherein R 2 to R 6 equal or different, being hydrogen or hydroxy or acyl or halogen or alkyl or heterocyclic or aryl or dioxymethylene or alkoxy groups, etc., by oxidizing the said phenylpropane derivatives using a oxidising agent such as 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) or p-chloranil or pyridinium chlorochromate (PCC) or tBuOOH or or CrO 3 with a catalytic amount of inorganic/organic acid or alumina, celite, and silica gel as a solid support for microwave irradiation and thus substituted trans-cinnamaldehydes, a natural yellow dye, are obtained in high yield ranging from 68-82%.

  本发明涉及制备取代的反式肉桂醛，一种从苯丙烷衍生物中具有R2-R3-R4-R5-R6取代的天然黄色染料，其中R2到R6相等或不同，是氢、羟基、酰基、卤素、烷基、杂环、芳基、二氧甲基或烷氧基等基团，通过使用氧化剂如2,3-二氯-5,6-二氰基-1,4-苯醌（DDQ）或对氯苯醌或氯铬酸吡啶盐（PCC）或tBuOOH或CrO3以及无机/有机酸或氧化铝、硅藻土和硅胶等固体支撑体进行微波辐射，从而高产率地获得取代的反式肉桂醛，一种天然黄色染料，产率范围为68-82%。
• Methods of inhibiting corrosion with a pyrazine corrosion inhibitor
  申请人：KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

  公开号：US10626319B1

  公开（公告）日：2020-04-21

  A method of inhibiting corrosion of metal during acid stimulation of an oil and gas well, whereby the oil and gas well is treated with an acidic treatment fluid that includes 10 to 28 wt. % of an acid, based on a total weight of the acidic treatment fluid, and 0.01 to 5% of a pyrazine corrosion inhibitor by weight per total volume of the acidic treatment fluid, wherein the pyrazine corrosion inhibitor is 2,3-pyrazine dicarboxylic acid, pyrazine-2-carboxamide, 2-methoxy-3-(1-methylpropyl) pyrazine, or combinations thereof.

  一种在油气井酸性激发过程中抑制金属腐蚀的方法，其中用酸性处理液处理油气井，该酸性处理液包括按酸性处理液总重量计算的 10 至 28 重量％的酸，以及按酸性处理液总体积计算的 0.其中吡嗪缓蚀剂为 2,3-吡嗪二羧酸、吡嗪-2-甲酰胺、2-甲氧基-3-（1-甲基丙基）吡嗪或其组合。
• Corrosion inhibition method for downhole metal tubing
  申请人：KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

  公开号：US10988670B2

  公开（公告）日：2021-04-27

  A method of inhibiting corrosion of metal during acid stimulation of an oil and gas well, whereby the oil and gas well is treated with an acidic treatment fluid that includes 10 to 28 wt. % of an acid, based on a total weight of the acidic treatment fluid, and 0.01 to 5% of a pyrazine corrosion inhibitor by weight per total volume of the acidic treatment fluid, wherein the pyrazine corrosion inhibitor is 2,3-pyrazine dicarboxylic acid, pyrazine-2-carboxamide, 2-methoxy-3-(1-methylpropyl) pyrazine, or combinations thereof.

  一种在油气井酸性激发过程中抑制金属腐蚀的方法，其中用酸性处理液处理油气井，该酸性处理液包括按酸性处理液总重量计算的 10 至 28 重量％的酸，以及按酸性处理液总体积计算的 0.其中吡嗪缓蚀剂为 2,3-吡嗪二羧酸、吡嗪-2-甲酰胺、2-甲氧基-3-（1-甲基丙基）吡嗪或其组合。
• Corrosion inhibition method for downhole tools
  申请人：KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

  公开号：US10988671B2

  公开（公告）日：2021-04-27

  A method of inhibiting corrosion of metal during acid stimulation of an oil and gas well, whereby the oil and gas well is treated with an acidic treatment fluid that includes 10 to 28 wt. % of an acid, based on a total weight of the acidic treatment fluid, and 0.01 to 5% of a pyrazine corrosion inhibitor by weight per total volume of the acidic treatment fluid, wherein the pyrazine corrosion inhibitor is 2,3-pyrazine dicarboxylic acid, pyrazine-2-carboxamide, 2-methoxy-3-(1-methylpropyl) pyrazine, or combinations thereof.

  一种在油气井酸性激发过程中抑制金属腐蚀的方法，其中用酸性处理液处理油气井，该酸性处理液包括按酸性处理液总重量计算的 10 至 28 重量％的酸，以及按酸性处理液总体积计算的 0.其中吡嗪缓蚀剂为 2,3-吡嗪二羧酸、吡嗪-2-甲酰胺、2-甲氧基-3-（1-甲基丙基）吡嗪或其组合。
• Methods of inhibiting corrosion of metals from acid stimulation of an oil and gas well
  申请人：King Fahd University of Petroleum and Minerals

  公开号：US11518932B2

  公开（公告）日：2022-12-06

  A method of inhibiting corrosion of metal surfaces of piping, tubing, heat exchangers and other metal equipment during acid stimulation of an oil and gas well is provided. The method includes introduction of an acidic treatment fluid containing an inorganic acid and a corrosion inhibitor of formula I into the oil and gas well.

  提供了一种在油气井酸性刺激过程中抑制管道、油管、热交换器和其他金属设备的金属表面腐蚀的方法。该方法包括将含有无机酸和式 I 缓蚀剂的酸性处理液引入油气井。