Synthesis of new pyrrolo-, and pyrido-anellated quinazolinones as potential antiproliferative agents
作者:Davide Carta、Lisa Dalla Via、Aída Nelly García-Argáez、Maria Grazia Ferlin
DOI:10.1016/j.tet.2016.10.055
日期:2016.12
Some pyrrolo[3,2-f]quinazolinones (compounds 4–12), two pyrido[3,2-f]- and two pyrido[2,3-g]quinazolinones (compounds 15, 16 and 22, 23, respectively) were prepared via multistep syntheses. The tricyclic pyrroloquinazolinone nucleus was built starting from 5-aminoindole via a modified reported pathway to form the pyrimidine ring. To synthesize the tricyclic pyridoquinazolinones, new pathways were designed:
某些吡咯并[3,2- ˚F ]喹唑啉酮(化合物4 - 12),两个吡啶并[3,2- ˚F ] -和二吡啶并[2,3克]喹唑啉酮(化合物15,16和22,23,分别)通过多步合成。从5-氨基吲哚开始,经修饰的报道的途径形成嘧啶环,从而构建了三环吡咯并喹唑啉酮核。为了合成三环吡啶并喹唑啉酮,设计了新的途径:从6-氨基喹唑啉酮开始形成角环,形成吡啶环;从6-氨基喹啉酮开始形成直链部分,形成嘧啶环。对于化合物23,发现了一种有趣的抗增殖活性,该化合物能够与DNA形成分子插入复合物,并干扰拓扑异构酶I和II的松弛活性。还证明了凋亡途径的激活。