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US4875923A Expired / Lapsed US ⏱️ 0.0 years remaining

N-pyridinylsulfonyl-N'-pyrimidinylures

Assignee: Novartis Corp
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Filing: 1987-10-26
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Granted: 1989-10-24
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Expires: 2007-10-26
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Abstract

Abstract N-Pyridinylsulfonyl-N'-pyrimidinylureas and N-pyridinylsulfonyl-N'-triazinylureas of the formula ##STR1## wherein E is nitrogen or the methine bridge, Z is oxygen or sulfur, R 4 is hydrogen or C 1 -C 4 alkyl, R 5 and R 6 are each independently hydrogen, halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 2 -C 4 -alkylthio, C 3 -C 6 cycloalkyl or --NR 12 R 13 , G is a ##STR2## R 1 is hydrogen, halogen, nitro, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, trifluoromethyl, trifluoromethoxy, difluoromethoxy, C 1 -C 4 alkyl carbonyl or --COOR 14 , R 3 is a ##STR3## group, n is 0, 1 or 2, R 8 is hydrogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, halogen, C 1 -C 4 haloalkyl, nitro, --COOR 14 , C 1 -C 4 haloalkoxy, --O--CR 15 R 16 --CN, R 9 is hydrogen, halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkoxyalkyl oder C 2 -C 4 alkoxylkoxy, R 10 and R 11 are each independently hydrogen or C 1 -C 4 alkyl, R 12 and R 13 are each independently hydrogen or C 1 -C 4 alkyl, R 14 is hydrogen, C 1 -C 4 alkyl, C 2 -C 4 alkenyl, C 3 -C 4 alkynyl, or is C 1 -C 4 alkyl which is substituted by C 1 -C 4 alkoxy, halogen or phenyl, and R 15 and R 16 are each independently hydrogen or C 1 -C 4 alkyl, and the salts thereof have useful selective herbicidal properties for controlling weeds in crops of useful plants.

Inventors

  • 👤 Rolf Schurter
  • 👤 Willy Meyer
  • 👤 Werner Fory

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:51
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/50; C07D333/52; C07D333/62; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/36; C07D333/02; C07D333/04; C07D333/26; C07D333/30; C07D333/34; C07D333/38; C07D521/00

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 288 words
A sulfonylurea of formula I ##STR12## wherein E is the methine bridge, Z is oxygen or sulfur, R 4 is hydrogen or C 1 -C 4 alkyl, R 5 and R 6 are each independently hydrogen, halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 1 -C 4 alkylthio, C 3 -C 6 dialkoxyalkyl, C 1 -C 4 haloalkylthio, C 2 -C 4 -alkoxyalkyl, C 3 -C 6 -cycloalkyl or --NR 12 R 13 , G is a ##STR13## R 1 is hydrogen, halogen, nitro, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, trifluoromethyl, trifluoromethoxy, difluoromethoxy, C 1 -C 4 alkyl carbonyl or --COOR 14 , R 3 is a ##STR14## group, n is 0, 1 or 2, R 8 is hydrogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, halogen, C 1 -C 4 haloalkyl, nitro, --COOR 14 , C 1 -C 4 haloalkoxy, --O--CR 15 R 16 --COOR 14 or --O--CR 15 R 16 --CN, R 9 is hydrogen, halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkoxyalkyl oder C 2 -C 4 alkoxyalkoxy, R 10 and R 11 are each independently hydrogen or C 1 -C 4 alkyl, R 12 and R 13 are each independently hydrogen or C 1 -C 4 alkyl, R 14 is hydrogen, C 1 -C 4 alkyl, C 2 -C 4 alkenyl, C 3 -C 4 alkynyl, or is C 1 -C 4 alkyl which is substituted by C 1 -C 4 alkoxy, halogen or phenyl, and R 15 and R 16 are each independently hydrogen or C 1 -C 4 alkyl, or a salt thereof.
Claim 2
Dependent Claim 288 words
A sulfonylurea of formula I ##STR12## wherein E is the methine bridge, Z is oxygen or sulfur, R 4 is hydrogen or C 1 -C 4 alkyl, R 5 and R 6 are each independently hydrogen, halogen, C 1 -C 4 alkyl, C 1 -C 4 haloalkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkoxy, C 1 -C 4 alkylthio, C 3 -C 6 dialkoxyalkyl, C 1 -C 4 haloalkylthio, C 2 -C 4 -alkoxyalkyl, C 3 -C 6 -cycloalkyl or --NR 12 R 13 , G is a ##STR13## R 1 is hydrogen, halogen, nitro, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, trifluoromethyl, trifluoromethoxy, difluoromethoxy, C 1 -C 4 alkyl carbonyl or --COOR 14 , R 3 is a ##STR14## group, n is 0, 1 or 2, R 8 is hydrogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, halogen, C 1 -C 4 haloalkyl, nitro, --COOR 14 , C 1 -C 4 haloalkoxy, --O--CR 15 R 16 --COOR 14 or --O--CR 15 R 16 --CN, R 9 is hydrogen, halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 2 -C 4 alkoxyalkyl oder C 2 -C 4 alkoxyalkoxy, R 10 and R 11 are each independently hydrogen or C 1 -C 4 alkyl, R 12 and R 13 are each independently hydrogen or C 1 -C 4 alkyl, R 14 is hydrogen, C 1 -C 4 alkyl, C 2 -C 4 alkenyl, C 3 -C 4 alkynyl, or is C 1 -C 4 alkyl which is substituted by C 1 -C 4 alkoxy, halogen or phenyl, and R 15 and R 16 are each independently hydrogen or C 1 -C 4 alkyl, or a salt thereof.
Claim 3
Dependent Claim 10 words
A compound according to claim 1, wherein Z is oxygen.
Claim 4
Dependent Claim 30 words
A compound according to claim 1, wherein R 1 is hydrogen, Cl, F, CH 3 , C 2 H 5 , CH 3 O, CF 3 or CH 3 CO.
Claim 5
Dependent Claim 25 words
A compound according to claim 1, wherein R 5 and R 6 together contain not more than 4 carbon atoms and R 4 is hydrogen.
Claim 6
Dependent Claim 10 words
A compound according to claim 1, wherein G is 3-phenylpyridin-2-yl.
Claim 7
Dependent Claim 32 words
A compound according to claim 1, wherein Z is oxygen, R 4 is hydrogen and G is 3-phenylpyridin-2-yl and R 5 and R 6 together contain not more than 4 carbon atoms.
Claim 8
Dependent Claim 5 words
N-(3-Phenylpyridin-2-ylsulfonyl)-N'-(4,6-dimethoxypyrimidin-2-yl)urea according to claim 1.
Claim 9
Dependent Claim 30 words
A herbicidal and plant growth inhibiting composition which contains, as active ingredient, at least one substituted sulfonylurea of formula I according to claim 1, together with carriers and/or other adjuvants.
Claim 10
Dependent Claim 40 words
A method of controlling undesired plant growth, which method comprises applying to the plants or to the locus thereof an effective amount of a compound of formula I according to claim 1, or of a composition containing such a compound.
Claim 11
Dependent Claim 39 words
A method of inhibiting plant growth, which method comprises applying to the plants or to the locus thereof an effective amount of a compound of formula I according to claim 1, or of a composition containing such a compound.
Claim 12
Dependent Claim 42 words
A method of influencing plant growth for increasing yield, which method comprises applying to the plants or to the locus thereof an effective amount of a compound of formula I according to claim 1, or of a composition containing such a compound.
Claim 13
Dependent Claim 18 words
A method according to claim 9 of selectively controlling weeds pre- or postemergence in crops of useful plants.
Claim 14
Dependent Claim 22 words
A method according to claim 10 of suppressing plant growth beyond the 2-leaf stage, which method comprises applying the active ingredient preemergence.
Claim 15
Dependent Claim 12 words
A method according to claim 12, wherein the crops are rice crops.

References Cited (Backward Citations)

CH580608A5 Cited
DE3105453A1 Cited
EP0071441A2 Cited
EP0096593A2 Cited
DE3225471A1 Cited
US4668279A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-10-23 1993-04-24 1993-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-10-23 1997-04-24 1997-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-10-23 2001-04-24 2001-10-24 $7700.00 Window Closed / Lapsed

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