Synthesis of new fused dipyrroloazepinones via a two-step tandem reaction: Comparison of the Schmidt and Beckmann pathways
作者:Francisco Xavier Domínguez-Villa、Gustavo Ávila-Zárraga、Concepción Armenta-Salinas
DOI:10.1016/j.tetlet.2020.151751
日期:2020.4
A new set of polyheterocyclic compounds (4,7,7-trimethyl-5-aryl-7a,8,9,10-tetrahydrodipyrrolo[3,2-c;2',1'-g]azepin-2-ones) was synthesized via a tandem process involving a Beckmann rearrangement followed by a cyclization between the nitrogen atom and primary halide fragment. Ring expansion from 6 to 7 members and the fusion of the resulting ring with a five-membered ring took place in just one process
一组新的多杂环化合物(4,7,7-三甲基-5-芳基-7a,8,9,10-四氢二吡咯并[3,2-c; 2',1'-g] azepin-2-ones)是通过涉及贝克曼重排的串联过程合成,然后在氮原子和伯卤化物片段之间环化。环从6个扩环到7个环,并将生成的环与5元环融合在一起仅需一个过程。