Synthesis of a New Annulenoannulenone, 3H-Cycl[3.2.2]azino[2,1-e]cycl[3.3.2]azin-3-one
摘要:
A new nitrogen-bridged annulenoannulenone, 3H-cycl[3.2.2]azino-[2,1-e]cycl[3. 3. 2]azin-3-one (10) was synthesized from bispyridylmethane (1) via cycloaddition reaction of indolizinoquinolizinium salt (6) with methyl acetylene-carboxylate (MAC) as the key step.
A New Synthesis of 3H-Cycl[3.2.2]azino[1,2-e]cycl[3.3.2]azin-3-one Derivative
摘要:
Treatment of indolizinoquinolizinium salt (6) with dimethyl acetylenedicarboxylate in the presence of K2CO3 in refluxing nitrobenzene gave a nitrogen-bridged annulenoannulenone, 3H-cycl[3.2.2]azino[1,2-e]cycl[3.3.2]azinone derivative (7).