Inverse electron-demand 1,3-dipolar cycloaddition reactions of cyclooctyne with pyridinium bis(methoxycarbonyl)methylides
作者:Kiyoshi Matsumoto、Naoto Hayashi、Yukio Ikemi、Mitsuo Toda、Takane Uchida、Kinuyo Aoyama、Yoshihiro Miyakoshi
DOI:10.1002/jhet.5570380209
日期:2001.3
underwent 1,3-dipolar cycloaddition with pyridinium bis(methoxy-carbonyl)methylides to afford the corresponding indolizines (8-methoxycarbonyl-7-azatricyclo[7.6.0.02-7]pentadeca-1,3,5,8-tetraenes) in good to moderate yields. Some molecular orbital considerations are also described on this reaction compared with the results on the reaction of pyridinium dicyanomethylides with cyclooctyne.
环辛炔与吡啶鎓双(甲氧基-羰基)甲基化物进行1,3-偶极环加成反应,得到相应的吲哚嗪类化合物(8-甲氧基羰基-7-氮杂三环[7.6.0.0 2-7 ] pentadeca-1,3,5,8-四烯)中等至中等的产量。与吡啶二氰基甲基化物与环辛炔的反应结果相比,该反应还描述了一些分子轨道方面的考虑。