作者:Beata Morak-Młodawska、Krystian Pluta、Alexios N. Matralis、Angeliki P. Kourounakis
DOI:10.1002/ardp.200900253
日期:2010.3.15
7‐diazaphenothiazine was synthesized and evaluated for their antioxidant activity bearing in mind the structural similarity with “classical” phenothiazines several of which are considered powerful antioxidants. Among the new derivatives that inhibited in vitro Fe2+/ascorbate‐induced lipid peroxidation of rat liver microsomal membranes, several exhibited significant antioxidant activity with IC50 values in
考虑到与“经典”吩噻嗪的结构相似,其中一些被认为是强大的抗氧化剂,因此合成了 2,7-二氮杂吩噻嗪的 19 种衍生物并评估了它们的抗氧化活性。在体外抑制 Fe2+/抗坏血酸诱导的大鼠肝微粒体膜脂质过氧化的新衍生物中,有几种表现出显着的抗氧化活性,IC50 值在 64-125 μM 范围内。尽管 N 取代导致不同程度的抗氧化活性,后者似乎与取代衍生物的亲脂性(表示为 clogP 值)相关。与“经典”吩噻嗪对应物相比,降低的亲脂性也可以解释这些衍生物对脂质过氧化的保护作用相对较低。因此,