(1E,4E)-1,5-bis(3-ethoxy-4-hydroxyphenyl)penta-1,4-dien-3-one

• 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: (1E,4E)-1,5-bis(3-ethoxy-4-hydroxyphenyl)penta-1,4-dien-3-one
• 化学式: C₂₁H₂₂O₅
• 分子量: 354.403
• InChiKey: GBBIWGWUHZOUJN-NXZHAISVSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.1
• 重原子数：
  26
• 可旋转键数：
  8
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.19
• 拓扑面积：
  76
• 氢给体数：
  2
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  乙基香兰素 、 丙酮 在 盐酸 作用下， 反应 48.0h， 以69%的产率得到(1E,4E)-1,5-bis(3-ethoxy-4-hydroxyphenyl)penta-1,4-dien-3-one
  参考文献：
  名称：

  姜黄素类似物的合成作为潜在的抗氧化剂、癌症化学预防剂

  摘要：

  新系列 3, 5-双（取代苯亚甲基）-4-哌啶酮，2, 7-双（取代苯亚甲基）环庚酮，1, 5-双（取代苯基）-1，4-戊二烯-3-，1， 7-双（取代苯基）-1, 6-庚二烯-3, 5-二酮，1, 1-双（取代肉桂酰基）-环戊烷和1, 1-双（取代肉桂酰基）环己烷已合成并测试其性能抗氧化活性。在被测化合物中，化合物II4、II9、II10、II11、V1和V4表现出较高的自由基清除活性，%抑制率分别为90.71、91.24、96.91、94.26、99.23和99.85%。此外，化合物 V1 是外周多核中性粒细胞 (PMN) 的安全成员，存活率为 91%。报告了详细的合成、光谱和生物学数据。

  DOI：

  10.1002/ardp.200300763

文献信息

• Synthesis and assessment of the antioxidant and antitumor properties of asymmetric curcumin analogues
  作者：Qingyong Li、Jian Chen、Shuyue Luo、Jialin Xu、Qiaoxian Huang、Tianyu Liu

  DOI：10.1016/j.ejmech.2015.02.005

  日期：2015.3

  In this study, 12 asymmetric curcumin (CUR) analogues and 5 symmetric curcumin derivatives were synthesized, the antioxidant activity of these derivatives were evaluated by radicals 1,1-diphenyl-2-picryl-hydrazyl (DPPH) assay, 2,2-azino-bis(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) assay, ROO center dot (TRAP) assay and O2-center dot (NET) assay and anti-proliferative activities of these analogues were assessed against the human hepatoma cell line (SMMC-7721), the human breast cancer cell line (MCF-7) and the human prostate cancer cell lines (PC-3). Most of the asymmetric compounds showed stronger antioxidant activities than Vitamin C (Vc). Curcumin analogues reducing free radicals contain two reaction mechanisms: H-atom and electron transfer mechanisms. Compound 14 showed the most significant antioxidant activity compared with curcumin and other derivatives. Shorted the carbon chain of 14 can reduce the O-H bond dissociation enthalpy (BED) to improve the antioxidant activity. The antioxidant activity of 25 was similar to curcumin. All of the compounds performed better in an anti-proliferate assay than curcumin, especially compound 25, which exhibited the preferential cytotoxic activity against MCF-7 cells(25, IC50 = 9.11 mu M, curcumin, IC50 = 70.2 mu M). Considering these data, future studies should be performed to assess the therapeutic values of these asymmetric curcumin analogues. (C) 2015 Elsevier Masson SAS. All rights reserved.