Reactions and syntheses with organometallic compounds. Part 6. A new synthesis of indole, quinoline, and benzazepine derivatives via arylnickel complexes

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Abstract
o-Chloroaniline derivatives with an internal double bond were treated with MeMgBr (200 mol %) in the presence of a catalytic amount of NiCl2(PPh3)2(1 mol %) to furnish heterocyclic compounds such as indole, quinoline, and even benzazepine derivatives in good yield.