Regioselective synthesis of 6-nitroindole derivatives from enaminones and nitroaromatic compounds via transition metal-free C–C and C–N bond formation?

Organic & Biomolecular Chemistry Pub Date: 2022-01-19 DOI: 10.1039/D1OB02443D

Abstract

Few methods are known for the synthesis of nitroindole derivatives. A simple and practical Cs2CO3-promoted method for the synthesis of 6-nitroindole derivatives from enaminones and nitroaromatic compounds has been developed. Two new C–C and C–N bonds were formed in a highly regioselective manner under transition metal-free conditions.

Graphical abstract: Regioselective synthesis of 6-nitroindole derivatives from enaminones and nitroaromatic compounds via transition metal-free C–C and C–N bond formation
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