Copper(II)‐Catalyzed [2+2+2] Annulation of Enaminones with Maleimides Using a Traceless Directing Group Strategy

Author:

Fu Leiqing1,Huang Hongxiang1,Jiang Yingying1,Liu Xuan1,Chen Huimin1,Wan Jie‐Ping2

Affiliation:

1. College of Chemistry and Bio-Engineering Yichun University Yichun, Jiangxi 336000 People's Republic of China

2. College of Chemistry and Chemical Engineering Jiangxi Normal University Nanchang, Jiangxi 330022 People's Republic of China

Abstract

AbstractA copper‐catalyzed annulation of enaminones with maleimides was developed to synthesize various pyrrolo[3,4‐e]isoindoles. In this strategy, 2‐aminopyridine served as a traceless directing group, and target products were obtained in 54–72% yields. Moreover, a plausible mechanism for this reaction was proposed based on several control experiments, deuterium exchange experiments, and previous reports.

Publisher

Wiley

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