Copper(I) Mediated IntramolecularCyclization of 2-(2-Amino-phenylethynyl)benzoic and [2-(2-Aminophenylethynyl)phenyl]aceticAcid Esters: A New Synthetic Step towards Isoindolo[2,1-a]indoles and 5H-Indolo[2,1-a]isoquinolines
Copper(I) Mediated IntramolecularCyclization of 2-(2-Amino-phenylethynyl)benzoic and [2-(2-Aminophenylethynyl)phenyl]aceticAcid Esters: A New Synthetic Step towards Isoindolo[2,1-a]indoles and 5H-Indolo[2,1-a]isoquinolines
The reaction of anilines bearing a benzylic activating group in the ortho position with aromatic aldehydes or α,β-unsaturated aldehydes results in an efficient synthetic route to substituted indoles.