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Paper | Regular issue | Vol 45, No. 11, 1997, pp.2223-2228
Published online, 1st January, 1970
DOI: 10.3987/COM-97-7960
Synthesis of a New Annulenoannulene, Cycl[3.2.2]azino[1,2-a]cycl[3.2.2]azine

Yoshiro Matsuda,* Shinya Kohra, Keisuke Katou, Takahiro Itou, and Takashi Uemura

*Faculty of Environmental Studies, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan


A new nitrogen-bridged annulenoannulene, cycl[3.2.2]azino[1,2-a]cycl[3.2.2]azine (8) was synthesized from the starting bispyridylmethane (1) via cycloaddition reaction of the indolizinocyclazine derivative (5) with diemthyl acetylenedicarboxylate (DMAD) as the key step.