首页> 外文期刊>European Journal of Medicinal Chemistry: Chimie Therapeutique >Novel three-component domino reactions of ketones, isatin and amino acids: synthesis and discovery of antimycobacterial activity of highly functionalised novel dispiropyrrolidines.
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Novel three-component domino reactions of ketones, isatin and amino acids: synthesis and discovery of antimycobacterial activity of highly functionalised novel dispiropyrrolidines.

机译:酮,Isatin和氨基酸的新型三组分Domino反应:高官能化新型排水吡咯烷的抗细微细菌活性的合成和发现。

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摘要

One-pot three-component domino reactions of cyclic mono ketones, isatin and sarcosine/phenylglycine furnishing highly functionalised dispiropyrrolidines in moderate yields are described. The reaction when performed with cyclic amino acid, proline resulted in the dimerization of azomethine ylides. These compounds have been screened for their in vitro activity against Mycobacterium tuberculosis H37Rv (MTB) using agar dilution method. Among thirty eight compounds screened, 1-methylpyrrolo(spiro[2.3']-5-bromooxindole)spiro[3.2'']-1''-nitrosotetrahydro-4' '(1H)-pyridinone (4t) was found to be the most active with MIC of 1.98 microM against MTB and was 3.86 and 25.64 times more potent than the standard first line TB drugs, ethambutol and pyrazinamide respectively.
机译:描述了环状单酮,Isatin和Sarcosine /苯基甘氨酸提供高效产率的单组分的三组分Domino反应。 用环状氨基酸进行时的反应,脯氨酸导致氮杂胺酰胺的二聚化。 使用琼脂稀释法对这些化合物筛选其对分枝杆菌H37RV(MTB)的体外活性。 在筛选的三十八个化合物中,1-甲基吡咯(螺纹[2.3'] - 5-溴肟吲哚)螺旋[3.2'] - 1' - 硝基硅烷酮-4''(1H) - 吡啶酮(4T)是最多的 与MTB的MIC有效,PIC为1.98微米,比标准的第一线TB药物,乙胺丁醇和吡嗪酰胺分别具有3.86和25.64倍。

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