Collect. Czech. Chem. Commun. 1995, 60, 709-714

Synthesis of Substituted Furo[2',3':4,5]pyrrolo[1,2-d][1,2,4]triazolo[3,4-f][1,2,4]triazines

Vladimír Bobošík, Alžbeta Krutošíková and Miloslava Dandárová

Department of Organic Chemistry, Slovak Technical University, 812 37 Bratislava, Slovak Republic


The title compounds were prepareed by reaction of 1,2-dihydrofuro[2',3':4,5]pyrolo[1,2-d][1,2,4]-1-hydrazones by cyclization with triethyl orthoformiate or triethyl orthoacetate. All compounds were characterized by elemental analyses, UV and 1H NMR spectra.