1. Knight, D. W.InEncyclopedia of Reagents for Organic Synthesis;Paquette, L. A., Ed.Wiley&Sons:New York, 1995; Vol.4, pp2775−2778.
2. Crich, D.InComprehensive Organic Synthesis;Trost, B. M., Fleming, I., and Ley, S. V., Eds.Pergamon:New York, 1991; Vol.7, pp717−734and references cited therein.
3. Facile Preparation of Benzo[4,5]thieno[2,3-b]pyridines and Naphtho[b-4,5]thieno[2,3-b]pyridines via the Reaction of Barton Esters and Benzynes