3-acetyl-6,7-benzocoumarin | 104970-15-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 萘并吡喃类
• 英文名称: 3-acetyl-6,7-benzocoumarin
• 英文别名: 3-acetyl-2H-benzo[ g ]chromen-2-one；3-acetyl-benzo[g]chromen-2-one；3-Acetyl-benzo[g]chromen-2-on；2H-Naphtho[2,3-b]pyran-2-one, 3-acetyl-；3-acetylbenzo[g]chromen-2-one
• CAS: 104970-15-2
• 化学式: C₁₅H₁₀O₃
• 分子量: 238.243
• InChiKey: MYPCNEXFROJLSP-UHFFFAOYSA-N

物化性质

• 沸点：
  488.2±33.0 °C(Predicted)
• 密度：
  1.320±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  18
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.07
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  3-acetyl-6,7-benzocoumarin 在 一水合肼 、 三乙胺 作用下， 以 乙醇 为溶剂， 反应 3.25h， 生成
  参考文献：
  名称：

  Microwave Assisted Synthesis, Part 1: Rapid Solventless Synthesis of 3-Substituted Coumarins and Benzocoumarins by Microwave Irradiation of the Corresponding Enaminones

  摘要：

  文中报道了使用微波照射条件下一组恩胺酮（enaminones）与多种试剂的反应活性，并将结果与传统溶液方法进行了比较。

  DOI：

  10.3390/80700541
• 作为产物：
  描述：

  3-acetoxy-2-naphthoyl chloride 在 哌啶 、 Pd-BaSO₄ 、 乙醇 、 xylene 作用下， 生成 3-acetyl-6,7-benzocoumarin
  参考文献：
  名称：

  Zur Kenntnis des dritten ortho-Oxynaphthaldehyds und der isomeren ß-Naphthocumarine

  摘要：

  DOI：

  10.1002/ardp.19312690105

文献信息

• Improvement of Fluorescence Characteristics of Coumarins: Syntheses and Fluorescence Properties of 6-Methoxycoumarin and Benzocoumarin Derivatives as Novel Fluorophores Emitting in the Longer Wavelength Region and Their Application to Analytical Reagents
  作者：Chiyomi Murata、Toshinobu Masuda、Yasuko Kamochi、Kenichiro Todoroki、Hideyuki Yoshida、Hitoshi Nohta、Masatoshi Yamaguchi、Akira Takadate

  DOI：10.1248/cpb.53.750

  日期：——

  To improve the fluorescence characteristics, especially emission wavelength, of coumarins, various 3-substituted-6-methoxycoumarin derivatives were synthesized, and then benzocoumarin derivatives were also synthesized in expectation of the shift to the longer wavelength region by the extension of the conjugated system. Their fluorescence properties were investigated spectrophotometrically in acetonitrile and evaluated from the viewpoint of the intramolecular charge transfer (ICT) between push- and pull-substituents in the ground and the excited states. Among them, benzocoumarin derivatives especially fluoresced in the longer wavelength around 540 nm with remarkably large Stokes shifts beyond 10000 cm−1. Using such fluorophores, some novel fluorescence derivatization reagents for carboxylic acids, alcohols, phenols, and amines were preliminarily prepared as an example, and their derivatized products were also found to fluoresce in the longer wavelength region with large Stokes shifts.

  为了改善香豆素的荧光特性，特别是发射波长，合成了多种3取代-6-甲氧基香豆素衍生物，随后又合成了苯香豆素衍生物，期待通过延长共轭体系实现向长波长区域的转移。采用光谱法在乙腈中研究了它们的荧光特性，并从基态和激发态中推送和拉动取代基之间的分子内电荷转移（ICT）角度进行了评估。在这些衍生物中，苯香豆素衍生物特别在540 nm附近的长波长范围内具有显著的荧光，斯托克斯位移超过10000 cm−1。利用这些荧光基团，初步制备了一些新型的荧光衍生化试剂用于羧酸、醇、酚和胺，发现其衍生化产物在长波长区域也具有显著的荧光和较大的斯托克斯位移。
• Process for production of vinyl chloride polymer
  申请人：Shin-Etsu Chemical Co., Ltd.

  公开号：EP0172427A2

  公开（公告）日：1986-02-26

  This process is a process for production of a vinyl chloride polymer by suspension polymerization or emulsion polymerization of vinyl chloride monomer or a mixture of vinyl chloride monomer with a vinyl monomer copolymerizable with said vinyl chloride monomer in an aqueous medium, characterized in that the polymerization is carried out in a polymerizer, the inner wall surface and portions of the auxiliary equipment thereof which may come into contact with the monomer during polymerization being previously coated with a scaling preventive comprising at least one selected from dyes, pigments and aromatic or heterocyclic compounds having at least 5 conjugated π bonds, while controlling the chloride ion concentration in the reaction mixture to not higher than 100 ppm. According to said process, scaling onto the inner wall surface of a polymerizer, etc. during polymerization can be prevented effectively and surely.

  该工艺是通过氯乙烯单体或氯乙烯单体与可与所述氯乙烯单体共聚的乙烯基单体混合物在水介质中进行悬浮聚合或乳液聚合来生产氯乙烯聚合物的工艺，其特征在于聚合是在聚合器中进行的、内壁表面及其辅助设备中可能在聚合过程中与单体接触的部分事先涂上一层防垢剂，该防垢剂至少包括一种选自染料、颜料和至少有 5 个共轭 π 键的芳香族或杂环化合物的防垢剂，同时控制反应混合物中的氯离子浓度不高于 100 ppm。根据上述工艺，可有效、可靠地防止聚合过程中聚合器等内壁表面结垢。
• Gireesh, Tegginamath; Khan, Gouse Mohiddin Z.; Kamble, Ravindra R., Journal of the Indian Chemical Society, 2011, vol. 88, # 9, p. 1459 - 1463
  作者：Gireesh, Tegginamath、Khan, Gouse Mohiddin Z.、Kamble, Ravindra R.

  DOI：——

  日期：——
• Synthesis and antimicrobial activity of coumarin pyrazole pyrimidine 2,4,6(1H,3H,5H)triones and thioxopyrimidine4,6(1H,5H)diones
  作者：S. Vijaya Laxmi、B. Suresh Kuarm、B. Rajitha

  DOI：10.1007/s00044-012-0078-y

  日期：2013.2

  A series of 5-((3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)pyrimidine-2,4,6(1H,3H,5H)-trione (4a-f) and dihydro-5-((3-(2-oxo-2H-chromen-3-yl)-1-phenyl-1H-pyrazol-4-yl)methylene)-2-thioxopyrimidine-4,6(1H,5H)-dione (5a-f) derivatives were synthesized by the condensation of 3-(2-oxo2H-chromen-3-yl)-1-phenyl-1H-pyrazole-4-carbaldehyde (3a-f) with barbituric acid and thiobarbituric acid in acetic acid under microwave irradiation method. The newly synthesized compounds were evaluated for their antibacterial activity against Bcillus subtilis, Staphylococcus aureus, Staphylococcus epidermidis, Escherichia coli, Pseudomonas aeoginosa, and Klebsiella pneumoniae. All the compounds were found to be moderately active against used microorganisms, whereas compounds (4d) and (4e) exhibited good antifungal activity against Aspergillus niger.
• Synthesis and evaluation of the antagonistic activity of 3-acetyl-2H-benzo[g]chromen-2-one against mutant Y537S estrogen receptor alpha via E-Pharmacophore modeling, molecular docking, molecular dynamics, and in-vitro cytotoxicity studies
  作者：R. Shylaja、C. Loganathan、S. Kabilan、T. Vijayakumar、C. Meganathan

  DOI：10.1016/j.molstruc.2020.129289

  日期：2021.1