Synthesis and antifungal activity of noble 5-arylamino- and 6-arylthio-4,7-dioxobenzoselenazoles

5-Arylamino- and 6-arylthio-4,7-dioxobenzoselenazoles were synthesized and tested for in vitro antifungal activity against pathogenic fungi. Among them, 5-arylamino-4,7-dioxobenzoselenazoles exhibited potent antifungal activity.