EP0151866A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Herbicidal pyrazole-(thio)-carboxamides
Assignee: Eli Lilly and Co
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Filing: 1984-11-05
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Granted: —
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Expires: 2004-11-05
Abstract
Abstract 57 1,5-Disubstituted-1H-pyrazole-4-carboxamide derivatives, useful as herbicides and aquatic algicides.
Inventors
- 👤 James Richard Beck
- 👤 Michael Patrick Lynch
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 21:14
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/38; A; A01; A01N; A01N43/00; A01N43/48; A01N43/56; C07D231/16; C07D231/18; C07D231/20; C07D231/22; C07D401/00; C07D401/02; C07D401/04
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
234 words
A compound of the formula (I): wherein R 1 is C 1 -C 6 alkyl, C 5 -C 6 cycloalkyl, R 2 is halogen, C l -C 4 alkyl, trifluoromethyl, C 1 -C 4 alkoxy, C 1 -C 4 alkylthio or C 1 -C 4 alkylsulfonyl; R 3 is hydrogen, C 1 -C 4 alkyl or C 1 -C 4 alkox y ; R 4 is cyclopropyl, C 1 -C 4 alkyl or C 1 -C 4 alkoxy; R 5 is halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkyl, C 1 -C 4 haloalkoxy or nitro; X is O or S; and n is 0-3; with the following provisos: the combined total of carbon atoms for R 3 and R 4 does not exceed 5; when R is phenyl, R 5 is C 1 -C 4 alkyl, and R 2 is halogen, alkoxy, alkylthio, or alkylsulfonyl, the R 5 substituent exists at other than the 2 or 6 position of the phenyl ring; when R 3 is C 1 -C 4 alkoxy, R 4 is other than C 1 -C 4 alkoxy; R 1 alkoxy and R 2 and when R 1 is phenyl, R 5 is C 1 -C 4 alkoxy and R 2 is other than bromine, the R 5 substituent exists at other than the 3 or 5 position of the phenyl ring.
Claim 2
Dependent Claim
234 words
A compound of the formula (I): wherein R 1 is C 1 -C 6 alkyl, C 5 -C 6 cycloalkyl, R 2 is halogen, C l -C 4 alkyl, trifluoromethyl, C 1 -C 4 alkoxy, C 1 -C 4 alkylthio or C 1 -C 4 alkylsulfonyl; R 3 is hydrogen, C 1 -C 4 alkyl or C 1 -C 4 alkox y ; R 4 is cyclopropyl, C 1 -C 4 alkyl or C 1 -C 4 alkoxy; R 5 is halogen, C 1 -C 4 alkyl, C 1 -C 4 alkoxy, C 1 -C 4 haloalkyl, C 1 -C 4 haloalkoxy or nitro; X is O or S; and n is 0-3; with the following provisos: the combined total of carbon atoms for R 3 and R 4 does not exceed 5; when R is phenyl, R 5 is C 1 -C 4 alkyl, and R 2 is halogen, alkoxy, alkylthio, or alkylsulfonyl, the R 5 substituent exists at other than the 2 or 6 position of the phenyl ring; when R 3 is C 1 -C 4 alkoxy, R 4 is other than C 1 -C 4 alkoxy; R 1 alkoxy and R 2 and when R 1 is phenyl, R 5 is C 1 -C 4 alkoxy and R 2 is other than bromine, the R 5 substituent exists at other than the 3 or 5 position of the phenyl ring.
Claim 3
Dependent Claim
17 words
A compound of formula (I) as claimed in Claim 1 wherein R 2 is chlorine or bromine.
Claim 4
Dependent Claim
2 words
5-Bromo-l-(3-fluorophenyl)-N-methyl-lH- pyrazole-4-carboxamide.
Claim 5
Dependent Claim
2 words
5-Bromo-l-(3-fluorophenyl)-N-methyl-lH- pyrazole-4-carboxamide.
Claim 6
Dependent Claim
15 words
A compound of formula (I) as claimed in Claim 1 wherein R 2 is trifluoromethyl.
Claim 7
Dependent Claim
1 words
5-(Trifluoromethyl)-l-tert-butyl-N-methyl-lH-pyrazole-4-carboxamide.
Claim 8
Dependent Claim
1 words
5-(Trifluoromethyl)-l-tert-butyl-N-methyl-lH-pyrazole-4-carboxamide.
Claim 9
Independent Claim
34 words
A method for controlling undesired plants which comprises applying to the plants a growth inhibiting amount of a compound of formula ( I ) as claimed in any one of Claims 1 to 5.
Claim 10
Independent Claim
38 words
A method for controlling the growth of aquatic algae which comprises applying to the water containing said algae a growth inhibiting amount of a compound of formula (I) as claimed in any one of Claims 1 to 5.
Claim 11
Dependent Claim
34 words
A herbicidal composition which comprises a plant growth inhibiting amount of a compound of formula (I) as claimed in any one of claims 1 to 5 associated with one or more agriculturally-acceptable carriers therefor.
Claim 12
Dependent Claim
79 words
A process for preparing a compound of formula (I) as claimed in any one of claims 1 to 5 which comprises: (a) reacting an intermediate of formula where R 1 and R 2 are as defined in claim 1 and A is a good leaving group, with an amine of formula HNR 3 R 4 , and . (b) optionally thiating the product when it is desired to produce a compound of formula (I) in which X is sulphur.
Claim 13
Dependent Claim
25 words
A compound of formula: where R 1 and R 2 are as defined in Claim 1 and A is halogen, hydroxy or C 1-6 alkoxy.
References Cited (Backward Citations)
No citation records indexed.
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