Several 2-benzazepine-1,5-diones were efficiently obtained by treatment of the corresponding N-alkyl-3-hydroxy-3-propargylisoindolin-1-ones with some tentative Lewis acids via intramolecular endo-mode cyclization in the allenyl ketone intermediates generated in situ.
通过在生成的烯基酮中间体中进行分子内分子内环化,用一些暂定
路易斯酸处理相应的N-烷基-3-羟基-3-炔丙基
异吲哚啉-1-酮,可以有效地获得几种2-benzazepine-1,5-diones。原地。