1. Zablocki, J. A.; Miyano, M.; Garland, R.; Pireh, D.; Schretzman, L.; Rao, S. N.; Lindmark, R. J.; Panzer-Knodle, S. G.; Nicholson, N. S.; Taite, B. B.; Salyers, A. K.; King, L. W.; Campion, J. G.; Feigen, L. P.J. Med. Chem.1993,36, 1811. Greenhill, J. V. ; Lue, P. InAmidines and Guanidines inMedicinal Chemistry, Progress in Medicinal Chemistry; Ellis, G. P., Luscombe, D. K., Eds.; Elsevier: New York, 1993; Vol. 30, Chapter 5, pp 203−326.
2. For an excellent review, see: Yet, L. A Survey of Amidine Synthesis. Technical Report No. 3, Vol. 4, 2000; Albany Molecular Research, Inc., New York.
3. Heteroaromatic Thioether−Boronic Acid Cross-Coupling under Neutral Reaction Conditions
4. Substituted Alkyne Synthesis under Nonbasic Conditions: Copper Carboxylate-Mediated, Palladium-Catalyzed Thioalkyne−Boronic Acid Cross-Coupling