Collect. Czech. Chem. Commun. 1986, 51, 1678-1684


Michal Uhera, Ján Leškob and Ivan Tótha

a Department of Organic Chemistry
b Laboratory of Mass Spectrometry, Slovak Institute of Technology, 812 37 Bratislava


Carbonyl isothiocyanates react with 5-amino-2-furancarboxylates to give the corresponding acylthioureas which cyclize to condensed derivatives related to furo[2,3-d]thiazoles. Structure of these substances was corroborated by IR, mass, 1H and 13C{1H}NMR spectral means.