Аннотация
By reaction of 1,3,4‐thiadiazol‐2,5‐dithiol with different organohalogens, chlorides of carboxylic acids, acrylic acid derivatives, alkaloids, and secondary amines, various derivatives of 2,5‐bi‐substituted 1,3,4‐thiadiazole were synthesized, and biological properties of some of them were studied.