A versatile aminobenzannulation method based on the deprotonation of 2-(1-alkynyl)benzaldimines and similar 2-aza-2,4-heptadienyl-6-ynes: a multistep rearrangement cascade
Angew Chem Int Ed Engl. 2004 Oct 25;43(42):5694-7.
doi: 10.1002/anie.200461031.