(E)-3-(2,3-dimethoxyphenyl)-1-(2-hydroxy-4,6-dimethoxyphenyl)prop-2-en-1-one | 610770-51-9

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 直链 1,3-二芳基丙烷
• 英文名称: (E)-3-(2,3-dimethoxyphenyl)-1-(2-hydroxy-4,6-dimethoxyphenyl)prop-2-en-1-one
• 英文别名: 2'-Hydroxy-2,3,4',6'-tetramethoxychalcone
• CAS: 610770-51-9
• 化学式: C₁₉H₂₀O₆
• 分子量: 344.364
• InChiKey: LYUYMCWIWGASRX-CMDGGOBGSA-N

物化性质

• 熔点：
  120-122 °C
• 沸点：
  558.5±50.0 °C(Predicted)
• 密度：
  1.211±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  25
• 可旋转键数：
  7
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.21
• 拓扑面积：
  74.2
• 氢给体数：
  1
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  (E)-3-(2,3-dimethoxyphenyl)-1-(2-hydroxy-4,6-dimethoxyphenyl)prop-2-en-1-one 在 2,3-二氯-5,6-二氰基-1,4-苯醌 作用下， 以 1,4-二氧六环 为溶剂， 反应 12.0h， 以95%的产率得到5,7,2',3'-tetramethoxyflavone
  参考文献：
  名称：

  Unraveling the anti-influenza effect of flavonoids: Experimental validation of luteolin and its congeners as potent influenza endonuclease inhibitors

  摘要：

  The biological effects of flavonoids on mammal cells are diverse, ranging from scavenging free radicals and anti-cancer activity to anti-influenza activity. Despite appreciable effort to understand the anti-influenza activity of flavonoids, there is no clear consensus about their precise mode-of-action at a cellular level. Here, we report the development and validation of a screening assay based on AlphaScreen technology and illustrate its application for determination of the inhibitory potency of a large set of polyols against PA N-terminal domain (PA-Nter) of influenza RNA-dependent RNA polymerase featuring endonuclease activity. The most potent inhibitors we identified were luteolin with an IC₅₀ of 72 ± 2 nM and its 8-C-glucoside orientin with an IC₅₀ of 43 ± 2 nM. Submicromolar inhibitors were also evaluated by an in vitro endonuclease activity assay using single-stranded DNA, and the results were in full agreement with data from the competitive AlphaScreen assay. Using X-ray crystallography, we analyzed structures of the PA-Nter in complex with luteolin at 2.0 Å resolution and quambalarine B at 2.5 Å resolution, which clearly revealed the binding pose of these polyols coordinated to two manganese ions in the endonuclease active site. Using two distinct assays along with the structural work, we have presumably identified and characterized the molecular mode-of-action of flavonoids in influenza-infected cells.

  DOI：

  10.1016/j.ejmech.2020.112754
• 作为产物：
  描述：

  2,4,6-三羟基苯乙酮一水合物 在 potassium carbonate 、 potassium hydroxide 作用下， 以 乙醇 、 丙酮 为溶剂， 反应 28.0h， 生成 (E)-3-(2,3-dimethoxyphenyl)-1-(2-hydroxy-4,6-dimethoxyphenyl)prop-2-en-1-one
  参考文献：
  名称：

  Unraveling the anti-influenza effect of flavonoids: Experimental validation of luteolin and its congeners as potent influenza endonuclease inhibitors

  摘要：

  The biological effects of flavonoids on mammal cells are diverse, ranging from scavenging free radicals and anti-cancer activity to anti-influenza activity. Despite appreciable effort to understand the anti-influenza activity of flavonoids, there is no clear consensus about their precise mode-of-action at a cellular level. Here, we report the development and validation of a screening assay based on AlphaScreen technology and illustrate its application for determination of the inhibitory potency of a large set of polyols against PA N-terminal domain (PA-Nter) of influenza RNA-dependent RNA polymerase featuring endonuclease activity. The most potent inhibitors we identified were luteolin with an IC₅₀ of 72 ± 2 nM and its 8-C-glucoside orientin with an IC₅₀ of 43 ± 2 nM. Submicromolar inhibitors were also evaluated by an in vitro endonuclease activity assay using single-stranded DNA, and the results were in full agreement with data from the competitive AlphaScreen assay. Using X-ray crystallography, we analyzed structures of the PA-Nter in complex with luteolin at 2.0 Å resolution and quambalarine B at 2.5 Å resolution, which clearly revealed the binding pose of these polyols coordinated to two manganese ions in the endonuclease active site. Using two distinct assays along with the structural work, we have presumably identified and characterized the molecular mode-of-action of flavonoids in influenza-infected cells.

  DOI：

  10.1016/j.ejmech.2020.112754

文献信息

• Targeting the MDM2-p53 protein-protein interaction with prenylchalcones: Synthesis of a small library and evaluation of potential antitumor activity
  作者：Pedro Brandão、Joana B. Loureiro、Sylvie Carvalho、Meriem Hadjer Hamadou、Sara Cravo、Joana Moreira、Daniela Pereira、Andreia Palmeira、Madalena Pinto、Lucília Saraiva、Honorina Cidade

  DOI：10.1016/j.ejmech.2018.07.037

  日期：2018.8

  Prenylation of several bioactive scaffolds is a very interesting strategy used in Medicinal Chemistry in order to improve biological/pharmacological effects. A small library of prenylchalcones was synthesized and evaluated for the ability to inhibit the MDM2-p53 interaction using a yeast-based assay. The capacity of all synthesized prenylchalcones and their non-prenylated precursors to inhibit the

  为了改善生物/药理作用，几种生物活性支架的异戊烯基化是药物化学中使用的一种非常有趣的策略。合成了一个小型的炔诺孕酮文库，并使用基于酵母的分析方法评估了抑制MDM2-p53相互作用的能力。还评估了所有合成的炔丙基苯甲酮及其非炔基化的前体抑制人结肠肿瘤HCT116细胞生长的能力。获得的结果导致鉴定出一种命中的化合物异戊烯基查耳酮2e，它可作为酵母中MDM2-p53相互作用的潜在抑制剂，并且对表达野生型p53的人类肿瘤细胞（包括肝肝细胞癌HepG2，乳腺癌，MCF-7和恶性黑色素瘤A375细胞）显示出改善的细胞毒性。在结肠癌细胞中，还显示异戊二烯基查耳酮2e的生长抑制作用与诱导细胞周期停滞，凋亡和增加p53转录靶蛋白的表达水平有关。此外，进行了计算对接研究，以预测MDM2-p53潜在相互作用中涉及的对接姿势和残基。
• Design, Synthesis and Docking Studies of Flavokawain B Type Chalcones and Their Cytotoxic Effects on MCF-7 and MDA-MB-231 Cell Lines
  作者：Addila Abu Bakar、Muhammad Akhtar、Norlaily Mohd Ali、Swee Yeap、Ching Quah、Wan-Sin Loh、Noorjahan Alitheen、Seema Zareen、Zaheer Ul-Haq、Syed Shah

  DOI：10.3390/molecules23030616

  日期：——

  Flavokawain B (1) is a natural chalcone extracted from the roots of Piper methysticum, and has been proven to be a potential cytotoxic compound. Using the partial structure of flavokawain B (FKB), about 23 analogs have been synthesized. Among them, compounds 8, 13 and 23 were found in new FKB derivatives. All compounds were evaluated for their cytotoxic properties against two breast cancer cell lines

  Flavokawain B（1）是从Piper methysticum的根中提取的天然查尔酮，已被证明是潜在的细胞毒性化合物。使用黄酮类固醇B的部分结构（FKB），已经合成了约23个类似物。其中，在新的FKB衍生物中发现了化合物8、13和23。评估了所有化合物对两种乳腺癌细胞MCF-7和MDA-MB-231的细胞毒性，从而建立了结构-活性关系。FKB衍生物16（IC50 = 6.50±0.40和4.12±0.20μg/ mL），15（IC50 = 5.50±0.35和6.50±1.40μg/ mL）和13（IC50 = 7.12±0.80和4.04±0.30μg/ mL）对MCF-7和MDA-MB-231细胞系具有潜在的细胞毒性作用。但是，甲氧基在化合物2的第3位和第4位取代（IC50 = 8.90±0.60和6.80±0。35μg/ mL）和22（IC50 = 8.80±0.35和14.16±1
• Ahmed, Naseem; Van Lier, Johan E., Journal of Chemical Research, 2006, # 9, p. 584 - 585
  作者：Ahmed, Naseem、Van Lier, Johan E.

  DOI：——

  日期：——
• Differential effects of synthesized 2′-oxygenated chalcone derivatives: modulation of human cell cycle phase distribution
  作者：Yerra Koteswara Rao、Shih-Hua Fang、Yew-Min Tzeng

  DOI：10.1016/j.bmc.2004.03.014

  日期：2004.5

  Ten structurally related T-oxygenated chalcone derivatives, bearing either hydroxy and/or methoxy substituents oil the A and B rings, were synthesized through Claisen-Schmidt condensation. The synthesis procedure was relatively easy and had an acceptable yield. The in vitro cytotoxicities of these compounds against the human tumor cells such as Jurkat, U937 cells, and normal cells PHA stimulated PBMCs were investigated. Among those, compounds 1 (IC50 = 2.5 muM), 2 (1.7 muM), and 8 (3.2 muM) showed potent inhibitory activity toward Jurkat cell line. In parallel, compounds 1 (6.7 muM), 2 (1.5 muM), and 10 (5.3 muM) showed the highest activity against U937 cell line. However, the chalcones also inhibit the PHA stimulated PBMCs cells, but the IC50 values were relatively high when compared to the tumor cell line values. Studies were also on the effect of synthesized chalcones on the cell cycle phase distribution. In Jurkat cell line, compounds 7 and 9 showed the highest activity and the most striking effect in reduction of the percentage of cells in the S phase, which was associated with an increase of cells in G2/M phase. In U937 cell line, compound 3 increased the proportion of cells in the G0/G1 phase and reduced the proportion in S phase. In contrast, compounds 1, 9, and 10 showed a decrease effect on the percentage of cells in S phase and an increase effect on the percentage of cells in the G2/M phase of the cell cycle. Whereas in the case of PHA stimulated PBMCs, compounds 1, 4, 8, and 10 increased the percentage of cells in G2/M phase, which was associated with a decrease effect in the :S phase of the cell cycle. (C) 2004 Elsevier Ltd. All rights reserved.
• Compounds exhibiting efflux inhibitor activity and composition and uses thereof
  申请人：Wempe Fitzpatrick Michael

  公开号：US20070254859A1

  公开（公告）日：2007-11-01

  At least one compound chosen from compounds of Formula I: a pharmaceutically acceptable salt or ester thereof, a solvate thereof, a chelate thereof, a non-covalent complex thereof, a prodrug thereof, and mixtures of any of the foregoing, wherein: n is a number from 1 to 900, wherein the individual units may be the same or different; W is chosen from alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, aralkyl and substituted aralkyl; each of R 2 , R 3 , R 4 and R 5 is independently chosen from —H, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, aralkyl and substituted aralkyl; Z′ is chosen from —O—, —N—, —NO—, —NR 4 —, —S—, —SO— and —SO 2 —, wherein R 4 is defined as above; each of X, X′, Y and Z is independently chosen from —CR 4 R 5 —, —NH—, —NR 4 —, —NO—, —O—, —NOR 4 —, —S—, —SO—, —SO 2 —, wherein R 4 and R 5 are defined as above; R 1 is chosen from a tocopherol, a steroid and a flavonoid; and R 6 is chosen from any R 1 , alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, aralkyl and substituted aralkyl.