Extrusion of dinitrogen from the cinnoline (2) by flash vacuum pyrolysis (FVP) gave the benzothiophen analogue of biphenylene (3), which is more stable than the corresponding thiophen derivative.
通过快速真空热解(FVP)将二氮从cinnoline(2)中挤出,得到
联苯(3)的
苯并噻吩类似物,它比相应的
噻吩衍
生物更稳定。