216979-52-1Relevant articles and documents
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.
, p. 280 - 284 (2011/04/16)
CpCo(CO)2 catalyzes the cocyclization of ortho- diethynylthiophenes and -pyridines with alkynes to construct the corresponding thia- and azaphenylenes. This strategy is applied to the synthesis of linear 1-aza[3]phenylene, the first higher heterophenylene. Georg Thieme Verlag Stuttgart.