Fused n-phenylsulfonyl-n'-pyrimidinylureas and n-...

Details Fused n-phenylsulfonyl-n'-pyrimidinylureas and n-... Fused n-phenylsulfonyl-n'-pyrimidinylureas and n-...

C - Chemistry, Metallurgy

07

D

260/259, 260/249

C07D 405/12 (2006.01) A01N 47/36 (2006.01) C07D 209/08 (2006.01) C07D 215/36 (2006.01) C07D 307/79 (2006.01) C07D 307/83 (2006.01) C07D 307/88 (2006.01) C07D 311/18 (2006.01) C07D 311/22 (2006.01) C07D 311/58 (2006.01) C07D 311/70 (2006.01) C07D 311/76 (2006.01) C07D 317/46 (2006.01) C07D 317/62 (2006.01) C07D 319/18 (2006.01) C07D 327/06 (2006.01) C07D 333/54 (2006.01) C07D 335/06 (2006.01) C07D 409/12 (2006.01) C07D 521/00 (2006.01)

Patent

CA 1237132

Fused N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'- triazinylureas Abstract The invention relates to N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N-triazinylureas of the general formula Image (I) , wherein Z is oxygen or sulfur, E is nitrogen or =CH-, R1 is hydrogen, halogen, nitro, C1-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4 alkoxycarbonyl, C1-C4 alkylthio, C1-C4 alkylsulfinyl, C1-C4 alkylsulfonyl or C2-C5 alkoxyalkoxy, R2 is hydrogen, C1-C4 alkyl or C1-C3 alkoxy, R3 and R4, each independently of the other, are hydrogen, C1-C4 alkyl, C1-C4 alkoxy, C1-C4 haloalkoxy, C1-C4 haloalkylthio, C1-C4 alkyl- thio, halogen, C2-C5 alkoxyalkyl, C2-C5 alkoxyalkoxy or -NR5R6, wherein R5 and R6 are hydrogen or C1-C4 alkyl, and A is an unsubstituted or substituted bridge of 3 or 4 atoms which contains 1 or 2 oxygen, sulfur or nitrogen atoms and, together with the linking carbon atom,forms a non-aromatic 5- or 6-membered heterocyclic ring system, with the proviso that two oxygen atoms are separated by at least one carbon atom and that oxygen and sulfur atoms are only linked to each other if the sulfur atom takes the form of the -SO- or -SO2- group, and to the salts of these compounds with amines, alkali metal bases or alkaline earth metal bases or with quaternary ammonium bases. These compounds have good pre- and postemergence selective herbicidal and growth regulating properties.

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