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US3948937A
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US
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Pyrazole plant growth regulants
Assignee: EIDP Inc
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Filing: 1973-09-17
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Granted: 1976-04-06
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Expires: 1993-09-17
Abstract
Abstract Substituted pyrazole compounds have been found to be effective plant growth regulants. Exemplary of the effective compounds are 3-(2-carboxyphenyl)-5-phenylpyrazole, its 2-ethanolamine salt, and 3-(2-carboxy-1-cyclohexen-1-yl)-5-phenylpyrazole.
Inventors
- 👤 Alexander Lawrence Johnson
- 👤 Philip Bliss Sweetser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:12
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/26
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
208 words
A compound of the formula: ##SPC8## wherein M is selected from hydrogen, alkali metal, alkaline earth metal, and NR 4 R 5 R 6 R 7 ; R 4 , r 5 and R 6 are each selected independently from hydrogen, alkyl of one to four carbon atoms and hydroxyalkyl of two to four carbon atoms; R 7 is selected from hydrogen, alkyl of one to twelve carbon atoms and benzyl; R 1 is ##SPC9## A is selected from HCl, H 2 SO 4 , HNO 3 , and H 3 PO 4 P is selected from 0 and 1; X is selected from hydrogen, halogen, alkyl of one to four carbon atoms, hydroxy, alkoxy of one to four carbon atoms, alkylthio of one to four carbon atoms, alkylsulfonyl of one to four carbon atoms, trifluoromethyl and nitro; Y is selected from hydrogen, chlorine, bromine, methoxy and methyl; Z is selected from hydrogen, chlorine and methyl; Q is selected from hydrogen, alkyl of one to four carbon atoms, alkanoyl of one to four carbon atoms, alkoxycarbonyl of two to five carbon atoms, or benzenesulfonyl optionally substituted with chlorine or one or two methyls; and X' is selected from hydrogen, fluorine, chlorine, bromine and methyl; with the proviso that
Claim 2
Dependent Claim
208 words
A compound of the formula: ##SPC8## wherein M is selected from hydrogen, alkali metal, alkaline earth metal, and NR 4 R 5 R 6 R 7 ; R 4 , r 5 and R 6 are each selected independently from hydrogen, alkyl of one to four carbon atoms and hydroxyalkyl of two to four carbon atoms; R 7 is selected from hydrogen, alkyl of one to twelve carbon atoms and benzyl; R 1 is ##SPC9## A is selected from HCl, H 2 SO 4 , HNO 3 , and H 3 PO 4 P is selected from 0 and 1; X is selected from hydrogen, halogen, alkyl of one to four carbon atoms, hydroxy, alkoxy of one to four carbon atoms, alkylthio of one to four carbon atoms, alkylsulfonyl of one to four carbon atoms, trifluoromethyl and nitro; Y is selected from hydrogen, chlorine, bromine, methoxy and methyl; Z is selected from hydrogen, chlorine and methyl; Q is selected from hydrogen, alkyl of one to four carbon atoms, alkanoyl of one to four carbon atoms, alkoxycarbonyl of two to five carbon atoms, or benzenesulfonyl optionally substituted with chlorine or one or two methyls; and X' is selected from hydrogen, fluorine, chlorine, bromine and methyl; with the proviso that
Claim 3
Dependent Claim
25 words
when M is other than hydrogen, p is 0; and 2. the total number of carbon atoms in X, Y, and Z cannot exceed 4.
Claim 4
Dependent Claim
25 words
when M is other than hydrogen, p is 0; and 2. the total number of carbon atoms in X, Y, and Z cannot exceed 4.
Claim 5
Dependent Claim
9 words
A compound of claim 1 wherein M is hydrogen.
Claim 6
Dependent Claim
9 words
A compound of claim 2 wherein Q is hydrogen.
Claim 7
Dependent Claim
12 words
A compound of claim 3 wherein X', Y and Z are hydrogen.
Claim 8
Dependent Claim
16 words
A compound of claim 1 wherein R 1 is selected from p-methoxyphenyl, p-tolyl, p-chlorophenyl, and phenyl.
Claim 9
Dependent Claim
12 words
A compound of claim 5 wherein X', M and Q are hydrogen.
References Cited (Backward Citations)
GB1022655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |