1 St. Petersburg State Institute of Technology, Moskovskii pr. 26, St. Petersburg, 198013 Russia e-mail: mlpetrov@tu.spb.ru 2 Department of Chemistry, University of Leuven, Celestijnelaan 200F, Leuven (Heverlee), B-3001 Belgium ... Abstract-Following the Hurd-Mori procedure, 4-(2-hydroxyaryl)-1,2,3-thiadiazoles were synthesized from o-hydroxyacetophenones. Treatment of the products with bases gives 2-benzofuranthiolates which can be involved in ...