Benzyne reaction. Part X. The benzyne reaction of ortho-substituted halogenobenzenes with cyclohexanone in secondary cyclic amines or in organic solvents

2-Arylcyclohexanones have been synthesised by the benzyne reaction of o-substituted halogenobenzenes with cyclohexanone or its enamine in the presence of sodium amide in tetrahydrofuran or in secondary cyclic amines.