In this paper, we have developed a metal-free protocol for the controllable synthesis of various 3-selenyl/sulfenyl/telluriumindoles from the regioselective intramolecular cyclization reactions of in situ generated RXCl with o-alkynyl arylamines.
Substituted benzo[cd]indoles are one of the most attractive frameworks because of their wide range of biological and optical activities. Herein, copper-catalyzed one step synthesis of biologically important polysubstituted benzo[cd]indoles starting...
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