Pyrroles are an important class of heterocyclic compounds with different biological activities. [ 1 1. (a) Lainton , J. ; Hoffman , JW ; Martin , BR ; Compton , DR 1-Alkyl-3-(1-naphthoyl)pyrroles : A new class of cannabinoid . Tetrahedron Lett. 1995 , 36 , 1401 – 1403 ; (b) Rango , R. ; Marshal , GR ; Di Santo , R. ; Costi , R. ; Rompei , S. ; Artico , M. Antimycobacterial pyrroles: Synthesis, anti-Micobacterium tuberculosis activity, and QSAR studies . Bioorg. Med. ...