Collect. Czech. Chem. Commun. 1991, 56, 1719-1724

Amidinoyl isothiocyanates in the synthesis of condensed quinazolines. Preparation of 3-aryl-5,9-disubstituted s-triazolo[4,3-c]quinazolines

Katarína Špirková and Štefan Stankovský

Department of Organic Chemistry, Faculty of Chemical Technology, Slovak Technical University, 812 37 Bratislava


3-Aryl-5-((4-phenyl)piperazinyl)-9-chloro-s-triazolo[4,3-c]quinazolines were prepared by an oxidative cyclization of the corresponding arylhydrazones. The IR and 1H NMR spectra of final products are presented.