N'(4,6-DIMETHYLPYRIMIDIN-2-YL)-N-SUBSTITUTED HYDROXY-N'-(1-SUBSTITUTED-BENZENESULPHONYL)- GUANIDINE COMPOUNDS

摘要

Herbicidally active oxyguanidine derivatives of the formula in which M represents hydrogen or one equivalent of a metal, R1 represents halogen, C1-C4-alkyl, C1-C2-halogeno-alkyl, C1-C4-alkoxy, phenyl or C1-C2-alkoxy-carbonyl, R2 represents hydrogen or the radical , and R3 represents C4-C12-alkyl, isopropyl or if M represents one equivalent of a metal - also propyl, or represents C2-C12-halogenoalkyl, C1-C4-alkoxycarbonyl-C1-C2-alkyl, aminocarbonylmethyl, C1-C4-alkylaminocarbonylmethyl, di-C1-C4-alkylaminocarbonylmethyl, C3-C12-alkenyl, C3-C12-alkinyl, benzyl which is sub stituted by halogen, nitro, cyano, C1-C4-alkyl, C1-C4-alkoxy or C1-C4-alkoxycarbonyl, or phenyl, benzhydryl, or phenethyl, all optionally substituted by halogen, nitro, cyano, C1-C4-alkyl, C1-C4-alkoxy or C1-C4-alkoxycarbonyl, or carboxy-C1-C2-alkyl. or adducts thereof with strong acids. Le A 23 187