Patent US4521241A successfully refreshed from Google Patents.
US4521241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Herbicidal benzenesulfonamides
Assignee: EIDP Inc
•
Filing: 1983-09-19
•
Granted: 1985-06-04
•
Expires: 2003-09-19
Abstract
Abstract Sulfonylurea compounds which contain dihydroisobenzofuran, dihydroisobenzothiophene, or isoindoline 4-sulfonamide substituents such as 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c]furan-4-sulfonamide and their use as agricultural chemicals, including plant growth regulants and herbicides.
Inventors
- 👤 James V. Hay
- 👤 Richard F. Sauers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:48
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/48; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/36; C07C; C07C205/00; C07C205/49; C07C205/57; C07C205/58; C07D307/00; C07D307/77; C07D307/87; C07D307/88; C07D333/00; C07D333/50; C07D333/72; C07D521/00
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
348 words
A compound having the formula: ##STR37## where ##STR38## Q is O, S(O) n or NR 3 ; n is 0, 1 or 2; R 1 is H, CH 3 , Cl or F; R 2 is H, Cl, Br, C 1 -C 3 alkoxy or CF 3 ; R 3 is H or C 1 -C 4 alkyl; R 4 is H or CH 3 ; R 5 is H or CH 3 ; R 6 is H, Cl or F; R 7 is H, Cl or F; R 8 is H, Cl or F; R is H or CH 3 ; A is ##STR39## X is F, Cl, Br, C 1 -C 2 alkyl, C 1 -C 2 alkoxy, OCF 2 H or CF 3 ; Y is H, NH 2 , NHCH 3 , N(CH 3 ) 2 , C 1 -C 4 alkyl, C 1 -C 4 alkyl substituted with 1-3 atoms of (a) F, (b) Cl or (c) Br, CH 2 OCH 3 , CH 2 OC 2 H 5 , C 1 -C 4 alkoxy, C 1 -C 2 alkylthio, C 3 -C 4 alkenyloxy, C 3 -C 4 alkynyloxy, OCH 2 CH 2 OCH 3 , OCH 2 CH 2 F, OCH 2 CH 2 Cl, OCH 2 CH 2 Br, OCH 2 CF 3 , CH(OCH 3 ) 2 , CH(OC 2 H 5 ) 2 , ##STR40## or GCF 2 T; G is O or S; T is H, CHClF, CHBrF, CF 2 H or CHFCF 3 ; Z is CH; provided that: (1) when X is F, Cl or Br, then Y is NH 2 , NHCH 3 , N(CH 3 ) 2 , CH 3 , OCH 3 or OCF 2 H; and (2) when R 1 is F or Cl, then R 6 , R 7 and R 8 are the same as R 1 and Q is O or S; and when R 1 is H or CH 3 , then R 6 , R 7 and R 8 are H; and their agriculturally suitable salts.
Claim 2
Dependent Claim
348 words
A compound having the formula: ##STR37## where ##STR38## Q is O, S(O) n or NR 3 ; n is 0, 1 or 2; R 1 is H, CH 3 , Cl or F; R 2 is H, Cl, Br, C 1 -C 3 alkoxy or CF 3 ; R 3 is H or C 1 -C 4 alkyl; R 4 is H or CH 3 ; R 5 is H or CH 3 ; R 6 is H, Cl or F; R 7 is H, Cl or F; R 8 is H, Cl or F; R is H or CH 3 ; A is ##STR39## X is F, Cl, Br, C 1 -C 2 alkyl, C 1 -C 2 alkoxy, OCF 2 H or CF 3 ; Y is H, NH 2 , NHCH 3 , N(CH 3 ) 2 , C 1 -C 4 alkyl, C 1 -C 4 alkyl substituted with 1-3 atoms of (a) F, (b) Cl or (c) Br, CH 2 OCH 3 , CH 2 OC 2 H 5 , C 1 -C 4 alkoxy, C 1 -C 2 alkylthio, C 3 -C 4 alkenyloxy, C 3 -C 4 alkynyloxy, OCH 2 CH 2 OCH 3 , OCH 2 CH 2 F, OCH 2 CH 2 Cl, OCH 2 CH 2 Br, OCH 2 CF 3 , CH(OCH 3 ) 2 , CH(OC 2 H 5 ) 2 , ##STR40## or GCF 2 T; G is O or S; T is H, CHClF, CHBrF, CF 2 H or CHFCF 3 ; Z is CH; provided that: (1) when X is F, Cl or Br, then Y is NH 2 , NHCH 3 , N(CH 3 ) 2 , CH 3 , OCH 3 or OCF 2 H; and (2) when R 1 is F or Cl, then R 6 , R 7 and R 8 are the same as R 1 and Q is O or S; and when R 1 is H or CH 3 , then R 6 , R 7 and R 8 are H; and their agriculturally suitable salts.
Claim 3
Dependent Claim
9 words
A compound of claim 1 where L is L-1.
Claim 4
Dependent Claim
18 words
A compound of claim 2 where R is H, R 1 is H and R 2 is H.
Claim 5
Dependent Claim
53 words
A compound of claim 3 where X is Cl, CH 3 , OCH 3 or OCF 2 H and Y is CH 3 , OCH 3 , OCH 2 CH 3 , CH 2 OCH 3 , CH(OCH 3 ) 2 or GCF 2 T where G is O and T is H.
Claim 6
Dependent Claim
8 words
The compound of claim 1 which is 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c]furan-4-sulfonamide.
Claim 7
Dependent Claim
8 words
The compound of claim 1 which is 1,3-dihydro-N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]benzo[c]furan-4-sulfonamide.
Claim 8
Dependent Claim
33 words
A composition suitable for controlling the growth of undesired vegetation which comprises an effective amount of a compound of claim 1 and at least one of the following: surfactant, solid or liquid diluent.
Claim 9
Dependent Claim
33 words
A composition suitable for controlling the growth of undesired vegetation which comprises an effective amount of a compound of claim 2 and at least one of the following: surfactant, solid or liquid diluent.
Claim 10
Dependent Claim
33 words
A composition suitable for controlling the growth of undesired vegetation which comprises an effective amount of a compound of claim 3 and at least one of the following: surfactant, solid or liquid diluent.
Claim 11
Dependent Claim
33 words
A composition suitable for controlling the growth of undesired vegetation which comprises an effective amount of a compound of claim 4 and at least one of the following: surfactant, solid or liquid diluent.
Claim 12
Dependent Claim
33 words
A composition suitable for controlling the growth of undesired vegetation which comprises an effective amount of the compound of claim 5 and at least one of the following: surfactant, solid or liquid diluent.
Claim 13
Dependent Claim
33 words
A composition suitable for controlling the growth of undesired vegetation which comprises an effective amount of the compound of claim 6 and at least one of the following: surfactant, solid or liquid diluent.
Claim 14
Dependent Claim
27 words
A method for controlling the growth of undesired vegetation which comprises applying to the locus to be protected an effective amount of a compound of claim 1.
Claim 15
Dependent Claim
27 words
A method for controlling the growth of undesired vegetation which comprises applying to the locus to be protected an effective amount of a compound of claim 2.
Claim 16
Dependent Claim
27 words
A method for controlling the growth of undesired vegetation which comprises applying to the locus to be protected an effective amount of a compound of claim 3.
Claim 17
Dependent Claim
27 words
A method for controlling the growth of undesired vegetation which comprises applying to the locus to be protected an effective amount of a compound of claim 4.
Claim 18
Dependent Claim
27 words
A method for controlling the growth of undesired vegetation which comprises applying to the locus to be protected an effective amount of the compound of claim 5.
Claim 19
Dependent Claim
27 words
A method for controlling the growth of undesired vegetation which comprises applying to the locus to be protected an effective amount of the compound of claim 6.
References Cited (Backward Citations)
EP0079683A2
Cited
EP0099339A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-03 | 1988-12-03 | 1989-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-03 | 1992-12-03 | 1993-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-03 | 1996-12-03 | 1997-06-04 | $7700.00 | Window Closed / Lapsed |