Sulfonylureas

Details Sulfonylureas Sulfonylureas

C - Chemistry, Metallurgy

07

D

C07D 401/02 (2006.01) A01N 47/36 (2006.01) C07D 213/73 (2006.01) C07D 213/74 (2006.01) C07D 401/14 (2006.01) C07D 413/00 (2006.01) C07D 417/00 (2006.01) C07D 521/00 (2006.01)

Patent

CA 2043376

PH/5- 18103/A Novel sulfonyhureas Abstract: N-Pyridinesulfonyl-N'-pyrimidinyl- and -triazinylureas of the formula I Image (I) in which R1 and R2 independently of one another are hydrogen, C1-C8alkyl or C3-C8cycloalkyl; C2-C8alkyl or C3-C8cycloalkyl, each of which is monosubstituted or polysubstituted by halogen; Cl-C8alkyl or C3-C8cycloalkyl, each of which is substituted by -NR5R6, Cl-C4alkoxy or Cl-C4alkyl-S(O)n-; Cl-C4alkyl or C3-C6cycloalkyl, each of which is substituted by C2-C4alkenyl, C5-C6cycloalkenyl, C2-C6alkynyl or C4-C8alkadienyl; it being possible for the C2-C4alkenyl, C5-C6cycloalkenyl and C4-C8alkadienyl radicals to be monosubstituted or polysubstituted by halogen; or Rl and R2 together are a 4-5-membered C4-Cl0alkylene chain which can be interrupted by oxygen, sulfur or N-R7; R3 is hydrogen, halogen, C1-C4alkyl, C1-C4alkoxy or C1-C4alkylthio; C1-C4alkyl, C1-C4alkoxy or Cl-C4alkylthio, each of which is monosubstituted or polysubstituted by halogen; R4, R5, R6 and R7 independently of one another are hydrogen or C1-C4alkyl; n is 0, 1 or 2; X is C1-C3alkyl, or C1-C3alkyl which is monosubstituted to trisubstituted by halogen; C1-C3alkoxy, or C1-C3alkoxy which is monosubstituted to trisubstituted by halogen; Y is halogen, C1-C3alkyl or C1-C3alkyl which is monosubstituted to trisubstituted by halogen; C1-C3alkoxy, or C1-C3alkoxy which is monosubstituted to trisubstituted by halogen; cyclopropyl, methylamino or dimethylamino; and E is nitrogen or the methine group, and the salts of these compounds with amines, alkali metal bases or alkaline earth metal bases or with quaternary ammonium bases have good selective herbicidal and growth-regulating properties when used pre- and post-emergence.

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