Herbicidal and fungicidal oxadithiadiazapentalenes of the formula ##STR1## wherein X is halo and R is alkyl, haloalkyl, halovinyl, cycloalkyl, thiocayanatoalkyl, aryl, aryloxy, arylthiomethyl, aryloxymethyl, benzylthiomethyl, benzyloxymethyl or heterocyclic are prepared by reacting a sulfur halide and an N-cyanomethylcarboxamide of the formula ##STR2## wherein R is as defined above.
公式为 ##STR1## 的除草和杀菌的氧代二噻二氮杂五环化合物,其中X是卤素,R是烷基,卤代烷基,卤代烯基,环烷基,
硫氰基烷基,芳基,芳氧基,芳
硫甲基,芳氧甲基,苄基
硫甲基,苄氧甲基或杂环基,通过反应
硫卤化物和公式为 ##STR2## 的N-
氰甲基羧酰胺制备,其中R如上所定义。