Concepedia

Gold-Catalyzed Direct Assembly of Aryl-Annulated Carbazoles from 2-Alkynyl Arylazides and Alkynes

Nan Li, Xiao‐Lei Lian, Yuhui Li, Tianyi Wang, Zhi‐Yong Han, Liming Zhang, Liu‐Zhu Gong

Organic Letters · 2016 · 90 citations · 61 references

DOI

Concepts

Abstract

An unprecedented gold-catalyzed synthetic method for the direct assembly of aryl-annulated carbazoles from 2-alkynyl arylazides and alkynes is described. The reaction is proposed to proceed via a sequential cyclopropenation and intramolecular metal carbene/arene Friedel-Crafts-type reaction, respectively, mediated by two gold carbene intermediates.

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