نتایج جستجو برای: indole derivatives
تعداد نتایج: 114196 فیلتر نتایج به سال:
Two molecules of indole derivative, e.g. indole-5-carboxylic acid, reacted with one molecule of thiol, e.g. 1,2-ethanedithiol, in the presence of trifluoroacetic acid to yield adducts such as 3-[2-(2-amino-5-carboxyphenyl)-1-(2-mercaptoethylthio)ethyl]-1Hindole-5-carboxylic acid. Parallel formation of dimers, such as 2,3-dihydro-1H,1'H-2,3'-biindole-5,5'-dicarboxylic acid and trimers, such as 3...
A condensation of various isatins with indole derivatives has been carried out in the presence of 1,3-dibromo-5,5-dimethylhydantoin (DBDMH) as catalyst at 50 °C in ethanol in order to form 3,3-bis(indolyl) oxindoles. The products were obtained within 20-90 min by 70-96% yields. The efficacy of the procedure has been confirmed by catalyzing the condensation reaction of pyrrole which was used as ...
In this work, we report the synthesis of three series carbohydrate-based benzo[f]indole-4,9-diones and amino-1,4-naphthoquinone derivatives evaluated their cytotoxic activity against eight human cancer cell lines. Several compounds showed a promising toward tumor lines (half maximal inhibitory concentration (IC50) < 10.0 ?M). The importance substitution pattern quinone on antitumor was also dis...
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