2024
DOI: 10.1002/adsc.202400455
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Synthesis of Polyaryl‐Substituted Azafluoranthenes via Co‐Catalyzed [2+2+2] Cycloaddition of 1,6‐Diynes with Nitriles

Jinhui Cai,
Kaili Cen,
Ziyi Zhai
et al.

Abstract: Herein, we demonstrate the synthesis of azafluoranthene derivatives under mild conditions via [2+2+2] cycloaddition of 1,6‐diynes and nitriles catalyzed by CoBr2/dppp, exhibiting good atom economy. This procedure uses an inexpensive ligand and an earth‐abundant metal as catalyst to lower the cost of synthesis. Several azafluoranthenes are produced in 28–95% yields using this approach, featuring mild conditions, wide substrate scope, and good functional group tolerance. The fluorescence spectra of some azafluor… Show more

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