3-Cyanopyridine-2-(1H)-thiones are valuable compounds in organic synthesis not only because of their broad biological activities [ 1 1. For representative papers, see (a) Litvinov , VP ; Dotsenko , VV ; Krivokolysko , SG Thienopyridines: Synthesis, properties, and biological activity . Russ. Chem. Bull. 2005 , 54 , 864 – 904 ; (b) Krauze , A. ; Gērmane , S. ; Eberlinš , O. ; Šturms , I. ; Klusā , V. ; Duburs , G. Derivatives of 3-cyano-6-phenyl-4-(3'-pyridyl)-pyridine-2(1H)-thione and ...