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EP0013480B1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Herbicidal pyridinesulfonamides, preparation and use thereof and compositions containing them

Assignee: EIDP Inc
•
Filing: 1979-12-03
•
Granted: 1983-03-16
•
Expires: 1999-12-03
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Abstract

No abstract record available.

Inventors

  • 👤 George Levitt

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 19:13
CPC Classifications
C; C07; C07D; C07D521/00; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/36; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/70; C07D213/71

Claims Analysis

Total Claims: 24
Claim 1
Independent Claim 266 words
A compound of the formula: wherein R is R 1 is H, Cl, Br, F, C 1 ―C 4 alkyl, C 1 ―C 4 alkoxy, C,-C 4 alkylthio, NO 2 or R 2 is H, Cl, Br or CH 3 ; R 3 and R 4 are independently H or CH 3 ; R 5 is C,-C 6 alkyl, C 3 ―C 6 alkenyl, CH 2 CH 2 OCH 3 , CH 2 CH 2 OCH 2 CH 3 , CH 2 CH 2 CH 2 OCH 3 or CH 2 CH 2 Cl; W is oxygen or sulfur; X is CH 3 , CH 3 O― or CH 3 CH 2 0-; Y is H, Cl, CH 3 , CF 3 , NHCH 3 , ―N(CH 3 ) 2 , ―CH 2 OR 10 , ―CH 2 CH 2 OR 10, -OCH 2 CF 3 or VR 9 ; Z is CH or N; V is oxygen or sulfur; R 9 is CH 3 , ―CH 2 CH 3 , ―CH 2 CH 2 OR 10 , ―CH 2 CO 2 R 10 , or ―CH 2 CH 2 CO 2 R 10 ; R 10 is CH 3 or CH 3 CH 2 ; Y 1 is H, OCH 3 or CH 3 ; X 1 is H, Cl, OCH 3 , OCH 2 CH 3 or CH 3 and agriculturally suitable salts thereof; providing that 1) both X 1 and Y 1 are not simultaneously H and 2) when R is (b) or (c), then R 3 and R 4 are both H.
Claim 2
Dependent Claim 266 words
A compound of the formula: wherein R is R 1 is H, Cl, Br, F, C 1 ―C 4 alkyl, C 1 ―C 4 alkoxy, C,-C 4 alkylthio, NO 2 or R 2 is H, Cl, Br or CH 3 ; R 3 and R 4 are independently H or CH 3 ; R 5 is C,-C 6 alkyl, C 3 ―C 6 alkenyl, CH 2 CH 2 OCH 3 , CH 2 CH 2 OCH 2 CH 3 , CH 2 CH 2 CH 2 OCH 3 or CH 2 CH 2 Cl; W is oxygen or sulfur; X is CH 3 , CH 3 O― or CH 3 CH 2 0-; Y is H, Cl, CH 3 , CF 3 , NHCH 3 , ―N(CH 3 ) 2 , ―CH 2 OR 10 , ―CH 2 CH 2 OR 10, -OCH 2 CF 3 or VR 9 ; Z is CH or N; V is oxygen or sulfur; R 9 is CH 3 , ―CH 2 CH 3 , ―CH 2 CH 2 OR 10 , ―CH 2 CO 2 R 10 , or ―CH 2 CH 2 CO 2 R 10 ; R 10 is CH 3 or CH 3 CH 2 ; Y 1 is H, OCH 3 or CH 3 ; X 1 is H, Cl, OCH 3 , OCH 2 CH 3 or CH 3 and agriculturally suitable salts thereof; providing that 1) both X 1 and Y 1 are not simultaneously H and 2) when R is (b) or (c), then R 3 and R 4 are both H.
Claim 3
Dependent Claim 17 words
A compound of Claim 1 wherein R 3 and R 4 are hydrogen and W is oxygen.
Claim 4
Dependent Claim 10 words
A compound of Claim 2 wherein R 2 is hydrogen.
Claim 5
Dependent Claim 9 words
A compound of Claim 3 wherein R, is chlorine.
Claim 6
Dependent Claim 13 words
A compound of Claim 3 that is a 2- or 4-chloro-3-pyridyl sulfonyl compound.
Claim 7
Dependent Claim 8 words
A compound of Claims 1-5 wherein R is
Claim 8
Dependent Claim 27 words
A compound of Claim 6 wherein X is CH 3 or -OCH 3 and Y is CH 3 , -OCH 3 or ―OCH 2 CH 3 .
Claim 9
Dependent Claim 9 words
A compound of Claim 6 wherein Z is CH.
Claim 10
Dependent Claim 13 words
A compound of Claim 1 which is 2-chloro-N-((4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl]-3-pyridinesulfonamide, and agriculturally suitable salts thereof.
Claim 11
Dependent Claim 13 words
A compound of Claim 1 which is 2-chloro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]-3-pyridinesulfonamide, and agriculturally suitable salts thereof.
Claim 12
Dependent Claim 13 words
A compound of Claim 1 which is 2-chloro-N-[4,6-dimethylpyrimidin-2-yl)aminocarbonyl]-3-pyridinesulfonamide, and agriculturally suitable salts thereof.
Claim 13
Dependent Claim 13 words
A compound of Claim 1 which is 2-chloro-N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-3-pyridinesulfonamide, and agriculturally suitable salts thereof.
Claim 14
Dependent Claim 13 words
A compound of Claim 1 which is 2-chloro-N-[(4,6-dimethyl-1,3,5-triazin-2-yl)aminocarbonyl]-3-pyridinesulfonamide, and agriculturally suitable salts thereof.
Claim 15
Dependent Claim 13 words
A compound of Claim 1 which is 2-chloro-N-[4,6-dimethoxy-1,3,5-triazin-2-yl)amino- carbonyf]-3-pyridinesulfonamide, and agriculturally suitable salts.
Claim 16
Dependent Claim 42 words
A composition for the control of undesirable vegetation comprising a herbicidal compound and at least one of (a) a surface-active agent, and (b) a solid or liquid diluent, characterised in that said herbicidal compound is a compound of any of Claims 1-14.
Claim 17
Independent Claim 38 words
A method for the control of undesirable vegetation by applying to the locus of such undesirable vegetation an effective amount of a herbicidal compound, characterised in that said herbicidal compound comprises a compound of any of Claims 1-14.
Claim 18
Independent Claim 39 words
A method for modifying the growth of plants by applying to the locus of such plants an effective amount of a plant growth regulant, characterised in that said plant growth regulant comprises a compound of any of Claims 1-14.
Claim 19
Dependent Claim 47 words
A process for making a compound of Claim 1 which comprises reacting together compounds of formulae wherein R, R 1 , R 2 , R 4 and W are as defined in Claim 1, to obtain a corresponding compound of Claim 1 wherein R 3 is H.
Claim 20
Dependent Claim 76 words
A process for making a compound of Claim 1 which comprises reacting together compounds of formulae wherein R, R 1 , R 2 and R 4 are as defined in Claim 1, R 3 is methyl, M is an alkali metal cation, X is an incipient ? anion and n is an integer corresponding to the valence of X, to obtain a corresponding compound of claim 1 wherein R 3 is methyl and W is 0.
Claim 21
Dependent Claim 48 words
A process for making a compound of Claim 1 which comprises reacting together compounds of formulae wherein R, R I , R 2 , R 4 and W are as defined in Claim 1, to obtain a compound of Claim 1 wherein R 3 is CH 3 .
Claim 22
Dependent Claim 69 words
A process for making a compound of Claim 1 which comprises oxidising e.g. with mercuric oxide/boron trifluoride etherate or mercuric chloride/calcium carbonate, a compound of general formuia wherein R, R 1 , R 2 and R 4 are as defined in Claim 1 and R 6 is C 1 ―C 5 alkyl, to obtain a corresponding compound of Claim 1 wherein R 3 is H and W is 0.
Claim 23
Dependent Claim 48 words
A process for making a compound of Claim 1 which comprises reacting together compounds general formula wherein R, R 1 , R 2 and R 3 are as defined in Claim 1 to obtain a compound of Claim 1 wherein R 4 is H and W is S.
Claim 24
Dependent Claim 28 words
A process for making a compound of Claim 1 wherein W is 0 which comprises reacting a compound of Claim 1 wherein W is S with mercuric oxide.

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