Sulfonylureas

Details Sulfonylureas Sulfonylureas

C - Chemistry, Metallurgy

07

D

260/259, 260/249

C07D 401/12 (2006.01) A01N 47/36 (2006.01) C07D 213/71 (2006.01) C07D 213/72 (2006.01) C07D 213/73 (2006.01) C07D 213/74 (2006.01) C07D 413/14 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1221965

\ - 1- Case 5-14086/1-3/+ Novel sulfonylureas Abstract The invention relates to N-pyridylsulfonyl-N'-pyrimidinyl- and -N'- triazinylureas of the formula I Image (I), wherein A is a C3-C6alkynyl radical, a C1-C6alkyl radical which is substi- tuted by halogen, C1-C4alkoxy, C1-C4alkylthio, C1-C4alkylsulfinyl, C1-C4alkylsulfonyl, C1-C4haloalkoxy, C1-C4haloalkylthio, C1-C4haloalkylsulfinyl or C1-C4haloalkylsulfonyl, or is a C2-C4alk- enyl radical which is unsubstituted or substituted as for C1-C6alk- yl, or is a phenyl radical which is unsubstituted or substituted by halogen, cyano, nitro, C1-C4alkyl, C1-C4haloalkyl, an -X-C1-C4- alkyl, C1-C4alkoxycarbonyl, amino, mono- or di-(C1-C4alkyl)amino, carbamoyl, mono- or di-(C1-C4alkyl)carbamoyl, sulfamoyl, mono- or di-(C1-C4alkyl)sulfamoyl radical or A-X- forms an amino radical -NR6R7, E is the methine group or nitrogen, R1 is hydrogen, halogen, C1-C4alkyl, C1-C4alkoxy, C1-C4haloalkyl, C1-C4haloalkoxy, C2-C5alkoxyalkoxy, C1-C5alkylthio, C1-C5alkyl- sulfinyl or C1-C5alkylsulfonyl, R2 is C1-C3alkyl which is unsubstituted or substituted by 1 to 3 halo- gen atoms, or is C1-C3alkoxy, R3 is hydrogen, halogen, an amino group -NR4R5, or C1-C3alkyl which is unsubstituted or substituted by 1 to 3 halogen atoms, or is C1-C4alkoxy which is unsubstituted or substituted by methoxy, ethoxy or 1 to 3 halogen atoms, - 2 - R4 is hydrogen or methyl, R5 is hydrogen, C1-C2alkyl or methoxy, R6 and R7 are each independently hydrogen, C1-C4alkyl, C3-C6alkenyl, C3-C6alkynyl, C3-C6alkoxyalkyl, C1-C4cyanoalkyl, or both together with the nitrogen atom to which they are attached also form a saturated 5- or 6-membered heterocyclic ring system which may also contain oxygen, sulfur or an -NR8 radical, R8 is hydrogen, C1-C4alkyl or benzyl, and X is oxygen, sulfur, or a sulfinyl or sulfonyl bridge and to the salts thereof with amines, alkali metal bases or alkaline earth metal bases. These compounds have good pre- and postemergence selective herbicidal and growth regulating properties.

436066

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