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Non‐peptide‐based new class of platelet aggregation inhibitors: Design, synthesis, bioevaluation, SAR, and in silico in silico studies

机译:基于非肽的新类血小板聚集抑制剂:在硅研究中的设计,合成,生物评估,SAR和硅中

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Abstract A series of 2‐oxo‐2‐phenylethylidene linked 2‐oxo‐benzo[1,4]oxazine analogues 17a–x and 18a–o , incorporated with a variety of electron‐withdrawing as well as electron‐donating groups at ring A and ring C, were synthesized under greener conditions in excellent yields (up to 98%). These analogues 17a–x and 18a–o were evaluated for their arachidonic acid (AA)‐induced platelet aggregation inhibitory activities in comparison with the standard reference aspirin (IC 50 ?=?21.34?±?1.09?μg/mL). Among all the screened compounds, eight analogues, 17i , 17x , 18f , 18g , 18h , 18i , 18l , and 18o , were identified as promising platelet aggregation inhibitors as compared to aspirin. In addition, cytotoxic studies in 3T 3 fibroblast cell lines by MTT assay of the promising compounds ( 17i , 17x , 18f–18i , 18l , and 18o ) were also performed and the compounds were found to be non‐toxic in nature. Furthermore, the results on the AA‐induced platelet aggregation inhibitory activities of these compounds ( 17i , 17x , 18f–18i , 18l , and 18o ) were validated via in silico molecular docking simulation studies. To the best of our knowledge, this is the first report of the identification of non‐peptide‐based functionalized 2‐oxo‐benzo[1,4]oxazines as platelet aggregation inhibitors.
机译:摘要一系列2-氧代-2-苯基乙烯连接的2-氧代苯并[1,4]氧嗪类似物17a-x和18a-o,其在环A中掺入各种吸电子和电子给电子组和环C,在绿色条件下合成优异的产率(高达98%)。与标准参考阿司匹林(IC50≤=α= 21.34→α1.1.09≤μg/ ml)相比,评价这些类似物17a-x和18a-o的血小板聚集抑制抑制活性。在所有筛选的化合物中,与阿司匹林相比,将八种类似物,17i,17×18°F,18G,18H,18I,18L和180鉴定为有前途的血小板聚集抑制剂。此外,还进行了3T 3成纤维细胞系的细胞毒性研究通过MTT测定的备用化合物(17i,17×18℃-18i,18l和180),并发现化合物本质上是无毒的。此外,通过在硅分子对接模拟研究中验证了这些化合物(17i,17×18℃,18i,18l和1800)的AA诱导的血小板聚集抑制活性的结果。据我们所知,这是第一个报告鉴定非肽基官能化2-氧代 - 苯并[1,4]的血小板聚集抑制剂。

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