10.1002/ardp.200700176
The research focuses on the synthesis and cytotoxic activity evaluation of imidazo[1,2-a]-1,3,5-triazine analogues, which are structurally related to the chemotherapeutic drug 6-mercaptopurine. The study involved the preparation of 2-substituted imidazo[1,2-a]-1,3,5-triazines using various aliphatic and aromatic amines as reactants. The synthesized compounds were characterized using IR, 1H-NMR, and elemental analysis. The cytotoxic activity of these compounds was assessed through in-vitro studies on five human cancer cell lines, with one active compound further tested on 12 human cancer cell lines. The experiments utilized a microtiter assay based on crystal violet staining to determine antiproliferative activity, and the IC50 values were calculated from the results of three independent experiments. The study aimed to develop new antitumor agents and compared the cytotoxic activity of the synthesized compounds with that of 6-mercaptopurine and thioguanine, two established anticancer drugs.
10.1021/jm00313a025
The research focuses on the chemical synthesis and analysis of various purine derivatives, specifically 6-(alkylthio)-9-(hydroxymethyl)-SH-purines. The study investigates the hydroxymethylation of purine-6(1H)-thione and its derivatives, revealing that substitution occurs at the 9 position of the purine ring. Key chemicals involved include ethyl acetate, ligroin, benzene, ethyl alcohol, and petroleum ether, used as solvents in the synthesis and analysis processes. The researchers also utilized aqueous formaldehyde and sodium carbonate for hydroxymethylation reactions. Additionally, the study examines the infrared and ultraviolet spectra of these compounds, as well as their stability and reactivity with isocyanates. One of the synthesized compounds was screened for antitumor activity, showing promising results in certain leukemia models. The research provides valuable insights into the structure and potential applications of these purine derivatives.
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