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林产化学与工业 ›› 2022, Vol. 42 ›› Issue (6): 64-68.doi: 10.3969/j.issn.0253-2417.2022.06.009

• 研究报告 • 上一篇    下一篇

1, 2, 3, 5, 6, 7-六羟基-9, 10-蒽醌的合成及其抗氧化活性研究

雷响, 张闽峰, 胡可欣, 柯宇, 郑德勇()   

  1. 福建农林大学 材料工程学院, 福建 福州 350002
  • 收稿日期:2021-12-23 出版日期:2022-12-28 发布日期:2023-01-07
  • 通讯作者: 郑德勇 E-mail:ffczdy@163.com
  • 作者简介:郑德勇, 副教授, 研究领域为树木提取物化学与工艺学;E-mail: ffczdy@163.com
    雷响(1997—), 男, 河南郑州人, 硕士生, 研究方向为精细化学品加工
  • 基金资助:
    福建农林大学科技创新专项基金资助(CXZX2017036);中央财政林业科技推广示范项目资助(闽[2019] TG17号)

Synthesis and Antioxidant Activity of 1, 2, 3, 5, 6, 7-Hexahydroxy-9, 10-Anthraquinone

Xiang LEI, Minfeng ZHANG, Kexin HU, Yu KE, Deyong ZHENG()   

  1. College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China
  • Received:2021-12-23 Online:2022-12-28 Published:2023-01-07
  • Contact: Deyong ZHENG E-mail:ffczdy@163.com

摘要:

以甲烷磺酸为催化剂, 没食子酸经Friedel-Crafts酰基化反应合成了1, 2, 3, 5, 6, 7-六羟基-9, 10-蒽醌, 通过紫外-可见光(UV-vis)光谱、傅里叶变换红外(FT-IR)光谱、核磁共振(NMR)波谱和液相色谱-质谱联用(LC-MS)等分析手段验证目标产物结构, 并从清除ABTS自由基(ABTS+·)、DPPH自由基(DPPH·)和超氧阴离子自由基(O2-·)能力评价了六羟基蒽醌的体外抗氧化活性。研究结果表明:1, 2, 3, 5, 6, 7-六羟基-9, 10-蒽醌在最大吸收波长293 nm处的摩尔吸光系数(ελmax)为3.25×104 L/(cm·mol), 达到常用紫外吸收剂4-甲氧基肉桂酸-2-乙基己酯(OMC)的2倍多, 是一种性能优良的UVB波段紫外吸收剂;六羟基蒽醌清除ABTS+·、DPPH·、O2-·的半数抑制浓度(IC50)分别为42.1、39.4和30.8 μmol/L, 其对ABTS+·、DPPH·的清除能力比Vc强, 比没食子酸稍弱;对O2-·的清除能力强于Vc和没食子酸。

关键词: Friedel-Crafts反应, 没食子酸, 1, 2, 3, 5, 6, 7-六羟基-9, 10-蒽醌, 体外抗氧化活性, 紫外吸收剂

Abstract:

1, 2, 3, 5, 6, 7-hexahydroxy-9, 10-anthraquinone was synthesized by Friedel-Crafts acylation reaction using gallic acid as raw material and methanesulfonic acid as catalyst. The structure of the target product was verified by ultraviolet-visible(UV-vis) spectroscopy, Fourier transform infrared(FT-IR) spectroscopy, nuclear magnetic resonance(NMR) spectroscopy, and liquid chromatography-mass spectrometry(LC-MS) spectroscopy. The antioxidant activities in vitro of hexahydroxy-anthraquinone were evaluated in terms of its scavenging abilities on ABTS radical (ABTS+·), DPPH radical(DPPH·) and superoxide anion radical (O2-·). The results showed that the molar absorbance coefficient(ελmax) of 1, 2, 3, 5, 6, 7-hexahydroxy-9, 10-anthraquinone at the maximum absorption wavelength of 293 nm was 3.25×104 L/(cm·mol), which was two times higher than that of the commonly used UV absorber 4-methoxycinnamic acid-2-ethylhexyl ester(OMC), indicating that it was an excellent UV absorber in UVB band. The half-inhibitory concentrations(IC50) of hexahydroxy-anthraquinone for the scavenging of ABTS+·, DPPH·, and O2-· were 42.1, 39.4, and 30.8 μmol/L, respectively. The scavenging ability of it on ABTS+· and DPPH· was stronger than that of Vc, but weaker than that of gallic acid, and the scavenging ability of it on O2-· was stronger than those of Vc and gallic acid.

Key words: Friedel-Crafts reaction, gallic acid, 1, 2, 3, 5, 6, 7-hexahydroxy-9, 10-anthraquinone, antioxidant activity in vitro, UV-absorber

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