Abstract
The one-pot reactions of acyl chlorides, Wittig reagents, and o-iodoanilines involving a copper-catalyzed C–C coupling have been realized to provide various indoles. The reactions proceed on the basis of the in situ generation of allenes to incorporate o-iodoanilines via tandem Michael addition, C–C coupling, and tautomerization to afford indoles. This direct one-pot protocol allows the synthesis of indoles with all easily available materials.
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