合成了新的吡喃萘醌衍生物并研究了它们对布氏锥虫、主要利什曼原虫和弓形虫寄生虫的活性。五氟苯基衍生物对具有个位数微摩尔 EC50 值的布氏锥虫有效,甚至对亚微摩尔值的刚地弓形虫有效。3-氯-4,5-二甲氧基苯基衍生物对利什曼原虫主要寄生虫的无鞭毛体具有与两性霉素 B 相当的活性。此外,观察到溴苯基衍生物的抗氧化活性,并通过循环伏安法研究了它们的氧化还原行为。新萘醌衍生物的抗寄生虫和抗氧化活性似乎不相关。
s were synthesized and evaluated for their cholinesterase and BACE1 inhibitory activities as well as neuroprotective and metal‐chelating properties. Among the synthesized compounds, 14‐amino‐13‐(3‐nitrophenyl)‐2,3,4,13‐tetrahydro‐1H‐benzo[6,7]chromeno[2,3‐b]quinoline‐7,12‐dione (6m) depicted the best inhibitory activity toward acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) with IC50s
New Pyrano‐4
<i>H</i>
‐benzo[
<i>g</i>
]chromene‐5,10‐diones with Antiparasitic and Antioxidant Activities
作者:Ibrahim S. Al Nasr、Jana Jentzsch、Amin Shaikh、Priti Singh Shuveksh、Waleed S. Koko、Tariq A. Khan、Khursheed Ahmed、Rainer Schobert、Klaus Ersfeld、Bernhard Biersack
DOI:10.1002/cbdv.202000839
日期:2021.1
investigated for their activityagainst Trypanosoma brucei, Leishmaniamajor, and Toxoplasmagondiiparasites. The pentafluorophenyl derivative was efficacious against T. brucei with single digit micromolar EC50 values and against T. gondii with even sub‐micromolar values. The 3‐chloro‐4,5‐dimethoxyphenyl derivative showed an activityagainst amastigotes of Leishmaniamajorparasites comparable to that
合成了新的吡喃萘醌衍生物并研究了它们对布氏锥虫、主要利什曼原虫和弓形虫寄生虫的活性。五氟苯基衍生物对具有个位数微摩尔 EC50 值的布氏锥虫有效,甚至对亚微摩尔值的刚地弓形虫有效。3-氯-4,5-二甲氧基苯基衍生物对利什曼原虫主要寄生虫的无鞭毛体具有与两性霉素 B 相当的活性。此外,观察到溴苯基衍生物的抗氧化活性,并通过循环伏安法研究了它们的氧化还原行为。新萘醌衍生物的抗寄生虫和抗氧化活性似乎不相关。