(PhO)3P·Cl2-promoted bischler-napieralski-type cyclization: A mild access to β-carbolines
A novel mild access to the β-carboline skeleton is described. The reaction is a Bischler-Napieralski-type cyclocondensation, promoted by (PhO)3P·Cl2, which is performed in dichloromethane at -30 °C. The products are easily obtained i
Spaggiari, Alberto,Davoli, Paolo,Blaszczak, Larry C.,Prati, Fabio