首页> 外文期刊>European Journal of Medicinal Chemistry: Chimie Therapeutique >Structure-activity relationships of indole compounds derived from combretastatin A4: synthesis and biological screening of 5-phenylpyrrolo(3,4-a)carbazole-1,3-diones as potential antivascular agents.
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Structure-activity relationships of indole compounds derived from combretastatin A4: synthesis and biological screening of 5-phenylpyrrolo(3,4-a)carbazole-1,3-diones as potential antivascular agents.

机译:康布雷他汀A4衍生的吲哚化合物的结构活性关系:5-苯基吡咯并(3,4-a)咔唑-1,3-二酮作为潜在的抗血管药物的合成和生物学筛选。

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摘要

A series of 5-(3',4',5'-trimethoxyphenyl)pyrrolo[3,4-a]carbazole-1,3(2H,10H)-diones was designed as cis-restricted analogues of 3-aroylindoles, arylthioindoles and 3-benzylidoneindolin-2-ones derived from combretastatin A4 (CA-4). Starting from various indoles, compounds were synthesized by means of a convenient two-step procedure involving a one-pot multicomponent reaction as key step. Intermediate tetrahydro[3,4-a]carbazoles and their corresponding carbazoles were submitted to biological screening tests involved in antivascular action, including the cytotoxicity against murine B16 melanoma cells, the rounding up of endothelial cells (EA.hy 926) and the inhibition of tubulin polymerization. Of the 31 compounds screened, those bearing a methoxy group at the 8-position endowed significant biological activities. A carbazole compound 30 was identified as a promising candidate for further development of novel vascular targeting agents.
机译:一系列5-(3',4',5'-三甲氧基苯基)吡咯并[3,4-a]咔唑-1,3(2H,10H)-二酮被设计为3-芳基吲哚,芳基硫代吲哚的顺式限制类似物衍生自康维他汀A4(CA-4)的3-苄基二氢吲哚-2-酮。由各种吲哚开始,化合物通过方便的两步法合成,其中一锅多组分反应为关键步骤。中间体四氢[3,4-a]咔唑及其相应的咔唑已进行了涉及抗血管作用的生物学筛选试验,包括对鼠B16黑色素瘤细胞的细胞毒性,内皮细胞的聚集(EA.hy 926)和对H16的抑制作用。微管蛋白聚合。在筛选的31种化合物中,在8位带有甲氧基的化合物具有明显的生物活性。咔唑化合物30被确定为新型血管靶向剂的进一步开发的有希望的候选者。

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