Several 1,3-dithJan-2-ylidenes (2a-e,3), (4-methyl- 1,3-dithiol-2-ylidene)(imidazol- 1 -yl) acetonitrile (4) and thiazolidin-2-ylidene derivatives (5a-d) were synthesized and evaluated for in vitro antifungal activity. © 1997 Elsevier Science Ltd.