Synthesis and antioxidant activities of berberine 9-<i>O</i>-benzoic acid derivatives
作者:Yanfei Liu、Shuo Long、Shanshan Zhang、Yifu Tan、Ting Wang、Yuwei Wu、Ting Jiang、Xiaoqin Liu、Dongming Peng、Zhenbao Liu
DOI:10.1039/d1ra01339d
日期:——
Although berberine (BBR) shows antioxidant activity, its activity is limited. We synthesized 9-O-benzoic acid berberine derivatives, and their antioxidant activities were screened via ABTS, DPPH, HOSC and FRAP assays. The para-position was modified with halogen elements on the benzoic acid ring, which led to an enhanced antioxidant activity and the substituent on the ortho-position was found to be
虽然小檗碱(BBR)具有抗氧化活性,但其活性有限。我们合成了 9 - O-苯甲酸小檗碱衍生物,并通过ABTS、DPPH、HOSC 和 FRAP 测定筛选了它们的抗氧化活性。苯甲酸环上的对位被卤素元素修饰,从而增强了抗氧化活性,并且发现邻位上的取代基优于间位。化合物8p , 8c , 8d , 8i , 8j , 8l , 尤其是8p显示出显着更高的抗氧化活性,这可归因于电子供体基团。所有小檗碱衍生物均具有适当的亲油性。总之,化合物8p是一种很有前途的抗氧化剂候选物,具有显着提高的抗氧化活性和中等的亲脂性。