作者:Anton V. Tverdokhlebov、Alexander D. Tereshchenko、Dmitry A. Sysoiev、Andrey A. Tolmachev
DOI:10.1055/s-2005-918510
日期:——
2-Pyridineacetonitrile was found to react with 1,3-dichloro-2-propanone in the presence of chlorotrimethylsilane yielding 2-chloromethyl-1-indolizinecarbonitrile. The chlorine atom in the prepared indolizine was replaced by various nucleophiles including substituted anilines. Treatment of 2-(arylamino)methyl-1-indolizinecarbonitriles with hydrochloric acid resulted in 2-aryl-2,3-dihydro-1H-pyrrolo[3,4-a]indolizine-1-iminium chlorides.
发现 2-吡啶乙腈与 1,3-二氯-2-丙酮在氯三甲基硅烷存在下发生反应,生成 2-氯甲基-1-吲哚嗪甲腈。制备的吲哚利嗪中的氯原子被包括取代苯胺在内的各种亲核物取代。用盐酸处理 2-(芳基氨基)甲基-1-吲嗪甲腈可得到 2-芳基-2,3-二氢-1H-吡咯并[3,4-a]吲嗪-1-亚氨氯化物。