3,6-DISUBSTITUTED 2-THIOXO-1,3,5-THIA-DIAZIN-4-ONES

摘要

3,6-Disubstituted 2-thioxo-1,3,5-thiadiazin-4-ones of the formula in which R1 represents hydrogen; alkyl which is optionally monosubstituted or polysubstituted by identical or different substituents; alkenyl which is optionally monosubstituted or polysubstituted by identical or different substituents; alkinyl which is optionally monosubstituted or polysubstituted; cycloalkenyl or cycloalkyl which is optionally monosubstituted or polysubstituted by identical or different substituents; aryl or aralkyl which is optionally monosubstituted or polysubstituted by identical or different substituents; or a heterocyclic structure which is monosubstituted or polysubstituted by identical or different substituents; R2 represents alkenyl or alkyl which is optionally monosubstituted or polysubstituted by identical or different substituents; cycloalkenyl or cycloalkyl which is optionally monosubstituted or polysubstituted by identical or different substituents; aralkyl which is optionally monosubstituted or polysubstituted by identical or different substituents; or the fluorenyl radical; and X represents oxygen or sulphur. which possess fungicidal activity.