XP-001071276—“Functionalization of 2,2'-bipyridines in Their 4 and 5 Positions. Synthesis of 5-Ethynyl-2,2'-bipyridine”, vol. 3, pp. 321-324 (Mar. 1988). |
Malm, et al. “Palladium-Catalyzed Coupling of Heteroaryl Alkystannanes with Heteroaryl Halides in the Presence of Silver (I) oxide.” Tetrahedron Letters., vol. 33, No. 16, p. 2199-2202 (1992). |
Ishikura, et al. “A Novel Synthesis of 4-Aryl- and 4-Heteroarylpyridines via Diethyl (4-pyridyl) borane.”Chemical & Pharmaceutical Bulletin., vol. 33, No. 11, p. 4755-4763 (1985). |
International Search Report. |