Reactivity of <i>N</i> <sup>1</sup>-Dithioester Substituted Pyridinand Pyrazincarboxamidrazones
作者:Czeslawa Orlewska、Danuta Pancechowska-Ksepko、Henryk Foks、Zofia Zwolska、Ewa Augustynowicz-Kopec
DOI:10.1080/10426500500270065
日期:2006.4.1
The N1-dithioester substituted pyridin- and pyrazincarboxamidrazones underwent cyclocondensation to 5-methylsulfanyl-1,3,4-thiadiazole or 1,2,4-triazole derivatives, depending on the reaction conditions. With an excess of secondary amines, pyrazincarboxamidrazone dithioester gave 5-amino-1,3,4-thiadiazoles and with an ethanoloamine a 1,2,4-triazole derivative. Prepared compounds were evaluated as potential tuberculostatic agents, but the minimum inhibitory concentrations values indicated no significant activity.