Bis-amides of formula ##STR1## and salts thereof, where R.sup.2 and R.sup.3 are hydrogen; alkyl of up to 9 carbon atoms, alkenyl or alkynyl of up to 4 carbon atoms, or aryl, groups optionally substituted by certain radicals; or cycloalkyl of 3-7 carbon atoms; and R.sup.1 and R.sup.4 are as R.sup.2 and R.sup.3 or amino groups optionally substituted by certain radicals, are fungicides, especially against soil borne fungal diseases of plants.
公式为##STR1##的双酰胺及其盐,其中R.sup.2和R.sup.3为氢;含有最多9个碳原子的烷基,含有最多4个碳原子的烯基或炔基,或芳基,这些基团可以选择性地被某些基团取代;或含有3-7个碳原子的环烷基;而R.sup.1和R.sup.4与R.sup.2和R.sup.3相同或是含有
氨基,这些
氨基可以选择性地被某些基团取代。这些化合物是杀菌剂,特别是用于植物的土传真菌病。