8-Aza-7,9-dideazaxanthine acyclic nucleoside phosphonate inhibitors of thymidine phosphorylase
摘要:
3- and 8-(8-phosphonooctyl)-8-aza-7,9-dideazaxanthine, and 1,8-bis(8-aza-7,9-dideazaxanthin-8-yl) octane were prepared and found to inhibit thymidine phosphorylase from Escherichia coli, human recombinant TP expressed in V79, and TP purified from human placenta. The IC50 values ranged from 3.5 to 27 mu M. (C) 2010 Elsevier Ltd. All rights reserved.
with the aim of evaluating their in vitro anti-proliferative efficacy on human leukemia (CCRF-CEM) and human breast adenocarcinoma (MDA-MB-468) cell lines. Cytotoxicevaluation studies identified a number of synthesized conjugates that inhibited the proliferation of leukemia cancer cells by ~70% after 72 h. The selected synthesized conjugates were found to be significantly less cytotoxic against normal
Huisgen的叠氮化物-炔烃环加成反应用于合成一系列1 H -1,2,3-三唑系尿嘧啶-二茂铁基查耳酮共轭物,旨在评估其对人白血病的体外抗增殖功效(CCRF-CEM)和人乳腺癌细胞(MDA-MB-468)。细胞毒性评估研究确定了许多合成的缀合物,可在72小时后将白血病癌细胞的增殖抑制约70%。当与CCRF-CEM癌细胞相比时,发现选择的合成缀合物对正常肾细胞系(LLC-PK1)的细胞毒性明显较小。 1 H -1,2,3-三唑系尿嘧啶-二茂铁基查尔酮偶联物的合成及其体外抗增殖功效对人白血病(CCRF-CEM)和人乳腺癌(MDA-MB-468)细胞系的影响。
1<i>H</i>
-1,2,3-triazole-tethered uracil-ferrocene and uracil-ferrocenylchalcone conjugates: Synthesis and antitubercular evaluation
Copper-catalyzed azide-alkyne [3 + 2] cycloaddition has been utilized for preparing a series of 1H-1,2,3-triazoles with the purpose of probing structure-activity relationships among a uracil-ferrocene-triazole conjugate family. The antitubercular evaluation studies revealed an improvement in activity with the introduction of a ferrocene nucleus among N-alkylazido-uracil precursors, with a preference
3- and 8-(8-phosphonooctyl)-8-aza-7,9-dideazaxanthine, and 1,8-bis(8-aza-7,9-dideazaxanthin-8-yl) octane were prepared and found to inhibit thymidine phosphorylase from Escherichia coli, human recombinant TP expressed in V79, and TP purified from human placenta. The IC50 values ranged from 3.5 to 27 mu M. (C) 2010 Elsevier Ltd. All rights reserved.