Synthesis of 4,5-diaminopyrrolo[1,2-a]quinoline derivatives by annulation of N,N-dialkyl[2-(pyrrol-1-yl)benzylidene]ammonium salts in the presence of an isocyanide
作者:Kazuhiro Kobayashi、Atsushi Takanohashi、Kenichi Hashimoto、Osamu Morikawa、Hisatoshi Konishi
DOI:10.1016/j.tet.2006.08.089
日期:2006.10
A facile synthetic method for 4,5-diaminopyrrolo[1,2-a]quinoline derivatives has been developed. Treatment of 2-(pyrrol-1-yl)benzaldehydes with secondary amine hydrochloride/NaI/TMSCl/Et3N in the presence of an isocyano compound leads to the formation of 4-alkyl(or aryl)amino-5-dialkylaminopyrrolo[1,2-a]quinolines.
已经开发了一种简便的合成方法,用于4,5-二氨基吡咯并[1,2- a ]喹啉衍生物。在异氰基化合物存在下,用仲胺盐酸盐/ NaI / TMSCl / Et 3 N处理2-(吡咯-1-基)苯甲醛会导致形成4-烷基(或芳基)氨基-5-二烷基氨基吡咯并[1] ,2- a ]喹啉。