The Cobalt-Way to Heterophenylenes: Syntheses of 2-Thianorbiphenylenes, Monoazabiphenylenes, and Linear 1-Aza[3]phenylene {Biphenyleno[2,3-a]cyclobuta[1,2-b]pyridine} - Engelhardt, Verena; Garcia, J. Gabriel; Hubaud, Aude A.; Lyssenko, Konstantin A.; Spyroudis, Spyros; Timofeeva, Tatiana V.; Tongwa, Paul; Vollhardt, K. Peter C. (Synlett, 2011)