p-Toluenesulfonic acid mediated one-pot cascade synthesis and cytotoxicity evaluation of polyfluorinated 2-aryl-2,3-dihydroquinolin-4-ones and their derivatives
作者:Larisa Politanskaya、Tatyana Rybalova、Olga Zakharova、Georgy Nevinsky、Evgeny Tretyakov
DOI:10.1016/j.jfluchem.2018.04.005
日期:2018.7
interesting polyfluorinated 2-aryl-2,3-dihydroquinolin-4-ones (5), 3-benzylidene-2-aryl-2,3-dihydroquinolin-4-ones (6) and 7-methyl-6-aryl-5,6-dihydrodibenzo[b,h][1,6] naphthyridines (7) were synthesized using a mild and efficient one-pot procedure starting from 2-aminoacetophenones and trifluorobenzaldehyde in the presence of p-toluenesulfonic acid. Thanks to the use of a high-active polyfluorinated electrophile
具有生物学意义的多氟2-芳基-2,3-二氢喹啉-4-酮(5),3-亚苄基-2-芳基-2,3-二氢喹啉-4-酮(6)和7-甲基-6-芳基-5使用2-氨基苯乙酮和三氟苯甲醛在p的存在下,采用温和有效的一锅法合成了6-6-二氢二苯并[ b,h ] [1,6]萘啶(7)-甲苯磺酸。由于使用了高活性的多氟亲电试剂,该合成方案可快速访问各种生物活性杂环组件。筛选合成化合物对人类肿瘤细胞系(包括乳腺癌(MCF-7),肺癌(A-549)和骨髓瘤癌细胞(RPMI 8226))的细胞毒性活性表明,多氟化化合物6b–f显示出明显的细胞毒性( MCF-7和RPMI 8226癌细胞的IC 50 = 2.5÷7μM)。