Synthesis of novel trifluoromethyl substituted furo[2,3- b ]pyridine and pyrido[3′,2′:4,5]furo[3,2- d ]pyrimidine derivatives as potential anticancer agents
作者:Royya Naresh Kumar、Yedla Poornachandra、Punna Nagender、Gannarapu Mallareddy、Nagiri Ravi Kumar、Palreddy Ranjithreddy、Chityal Ganesh Kumar、Banda Narsaiah
DOI:10.1016/j.ejmech.2015.11.007
日期:2016.1
series of novel trifluoromethyl substituted furo[2,3-b]pyridine and pyrido[3′,2′:4,5]furo[3,2-d] pyrimidine derivatives 3a-b, 6a-k, 9, 10a-b, 11a-c and 12a-c were prepared from 2-carbethoxy-3-amino-6-trifluoromethyl furo[2,3-b]pyridine 1 under different set of conditions. Compounds functionalized with oxadiazole 11a-c were also prepared from 2-carbohydrazide-3-amino-6-trifluoromethyl furo[2,3-b]pyridine
一系列新颖三氟甲基取代的呋喃并[2,3-的b ]吡啶和吡啶并[3',2':4,5]呋喃并[3,2- d ]嘧啶衍生物3A-B ,图6a-K ,9,图10A- b,11a-c和12a-c是在不同条件下由2-乙氧基-3-氨基-6-三氟甲基呋喃[2,3- b ]吡啶1制备的。还由2-碳酰肼-3-氨基-6-三氟甲基呋喃[2,3- b ]吡啶4制备用恶二唑11a-c官能化的化合物。筛选所有最终产物针对四种人类癌细胞系(例如Neuro-2a,Hela,A549和COLO 205)以及正常人类肺细胞系IMR-90的抗癌活性。除了5b,6d,6e和6k以外,所有化合物在<25μM浓度下均对所有测试细胞系显示出有希望的抗癌活性。与正常细胞系相比,还计算了所有测试化合物的选择性指数(SI)值。化合物6g,10a,10b和11a被认为是潜在的先导,它们显示出细胞毒性,IC 50值分别为10、10.7、11.0和10