Papaverine and its derivatives react with p-chlorophenacyl bromide to give the corresponding quaternary salts, which are converted into pyrrolo[2,1-a]isoquinolines by the action of bases.
Papaverine and its derivatives react with p-chlorophenacyl bromide to give the corresponding quaternary salts, which are converted into pyrrolo[2,1-a]isoquinolines by the action of bases.