Synthesis and cyclisation studies of (E)-2-aryl-1-methyl-3-styrylquinolin-4(1H)-ones
作者:Djenisa H.A. Rocha、Diana C.G.A. Pinto、Artur M.S. Silva
DOI:10.1016/j.tet.2015.07.058
日期:2015.10
The synthesis of (E)-2-aryl-1-methyl-3-styrylquinolin-4(1H)-ones, through the Heck reaction of 2-aryl-3-iodo-1-methyl-quinolin-4(1H)-ones with styrene is described. 2-Aryl-3-iodo-1-methyl-2-quinolin-4(1H)-ones can be obtained efficiently in a two-step transformation, methylation followed by in situ cyclization of N-(2-acetylphenyl)benzamides into 2-aryl-1-methylquinolin-4(1H)-ones, which underwent
通过2-芳基-3-碘-1-甲基-1-甲基喹啉-4(1 H)的Heck反应合成(E)-2-芳基-1-甲基-3-苯乙烯基喹啉-4(1 H)-描述了一种与苯乙烯的化合物。可以通过两步转化有效地获得2-Aryl-3-iodo-1-methyl-2-quinolin-4(1 H)-one,将其甲基化,然后将N-(2-乙酰基苯基)苯甲酰胺原位环化为2-甲基2-芳基-1-甲基喹啉-4(1 H)-一,用碘和催化量的Can进行选择性3-碘化。(E)-2-芳基-1-甲基-1-甲基-3-苯乙烯基喹啉-4(1 H)的环化研究)-酮在高温或光诱导的电环化反应下会生成4-芳基-2-苯基呋喃[3,2- c ]喹啉和12-甲基-5-苯基苯并[ c ] ac啶7(12 H)-酮。