Metal-free cycloaddition to synthesize naphtho[2,3-d][1,2,3]triazole-4,9-diones?

Organic & Biomolecular Chemistry Pub Date: 2015-07-21 DOI: 10.1039/C5OB01322D

Abstract

A metal-free domino [3 + 2] cycloaddition is reported to construct naphtho[2,3-d][1,2,3]triazole-4,9-dione derivatives and provide an alternative approach to the azide–alkyne cycloadditions. The key features are easily available starting materials, mild reaction conditions, a good atom economy, eco-friendly characteristics and a broad substrate scope with high yields.

Graphical abstract: Metal-free cycloaddition to synthesize naphtho[2,3-d][1,2,3]triazole-4,9-diones
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