Electrocatalytic transformation of malononitrile and cycloalkylidenemalononitriles into spirotricyclic and spirotetracyclic compounds containing cyclopropane and pyrroline fragments
摘要:
Electrolysis of cycloalkylidenemalononitriles and malononitrile in MeOH in all undivided cell in the presence of the NaBr-NaOMe mediator system gives spirotricyclic compounds containing cyclopropane and pyrroline fragments in 50-77% yields. Spirobicyclic and spirotricyclic tetracyanocyclopropanes undergo electrolysis ill alcohols to afford spirotricyclic and spirotetracyclic products containing cyclopropane and pyrroline fragments ill 50-93% yields.
Electrocatalytic transformation of malononitrile and cycloalkylidenemalononitriles into spirobicyclic and spirotricyclic compounds containing 1,1,2,2-tetracyanocyclopropane fragment
摘要:
Electrolysis of malononitrile and cycloalkylidenemalononitriles in EtOH in an undivided cell in the presence of NaBr affords spirobicyclic Compounds containing a 1,1,2,2-tetra-cyanocyclopropane fragment in 50-88% yields.