The behavior of p-bis{3-[N-(3-chloro-buten-2-yl)pyrrolidinio(piperidinio or morpholinio)]propyn-1-yl}benzene dichlorides in an aqueous base medium
摘要:
In aqueous base medium p-bis{3-[N-(3-chlorobuten-2-yl)pyrrolidinio (piperidinio or morpholinio)]-propyn-1-yl}benzene dichlorides undergo a two-way dehydrochlorination-cyclization reaction to form benzo[5,6-a:5',6'-c]bis(2,2-tetramethylene- or -2,2-pentamethylene-4-methylisoindolinium) and benzo-[5,6-a:5',6'-c]bisspiro(4-methylisoindoline-2,4'-morpholinium) dichlorides.