Synthesis of novel ferrocenyl-containing pyrazolo[4,3-c]quinolines
作者:Günseli Turgut Cin、Seda Demirel、Abban Cakici
DOI:10.1016/j.jorganchem.2010.10.006
日期:2011.1
Synthesis of novel ferrocenyl-substituted pyrazolo[4,3-c]quinolines via the Pictet–Spengler reaction is reported. Iminium intermediate formed by the condensation of pyrazole-based arylamine substrates with ferrocenecarboxaldehyde in acidic medium, undergoes 6-endo cyclization with sufficiently reactive aromatic moiety to form a pyrazolo[4,3-c]quinoline ring.