Zanthoxylum limonella belongs to the family of aromatic deciduous trees and shrubs, Rutaceae. In traditional medicine practice, various parts of Z. limonella are used for the treatment of dental caries, febrifugal, sudorific, ...

2-Aryl isatogens and their 3-imino derivatives have been extensively studied but to date there have been no reported variants carrying pyrrolyl substituents at the 2-position. This study describes the unexpected synthesis ...