US4095025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1,3-diaryl-pyrazol-4-acrylic acid and derivatives
Assignee: John Wyeth and Brother Ltd
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Filing: 1971-11-30
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Granted: 1978-06-13
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Expires: 1991-11-30
Abstract
Abstract The invention concerns diarylpyrazole lower alkanoic acids and derivatives which are pharmacologically efficacious as anti-inflammatory agents. The said compounds can be represented by the formula ##STR1## in which one of D, E, F and G represents hydrogen, one is a lower aliphatic acid radical or derivative thereof and the remaining two of D, E, F and G are aryl or heteroaryl radicals.
Inventors
- 👤 Robert Anthony Newberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:06
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
71 words
A compound having the formula ##STR23## in which Ar and Ar 1 are aryl radicals selected from the group consisting of phenyl, halophenyl, lower alkyl phenyl, lower alkoxyphenyl, dimethoxyphenyl, hydroxyphenyl, nitrophenyl, di-(lower alkyl)aminophenyl, trifluoromethylphenyl, methylthiophenyl, furyl, thienyl and pyrryl with the proviso that at least one of Ar and Ar 1 is phenyl or substituted phenyl; and R is a member of the group consisting of hydroxy, lower alkoxy and amido.
Claim 2
Dependent Claim
71 words
A compound having the formula ##STR23## in which Ar and Ar 1 are aryl radicals selected from the group consisting of phenyl, halophenyl, lower alkyl phenyl, lower alkoxyphenyl, dimethoxyphenyl, hydroxyphenyl, nitrophenyl, di-(lower alkyl)aminophenyl, trifluoromethylphenyl, methylthiophenyl, furyl, thienyl and pyrryl with the proviso that at least one of Ar and Ar 1 is phenyl or substituted phenyl; and R is a member of the group consisting of hydroxy, lower alkoxy and amido.
Claim 3
Dependent Claim
11 words
A compound according to claim 1 which is β-[3-(p-chlorophenyl-1-phenylpyrazol-4-yl] acrylic acid.
References Cited (Backward Citations)
DE79086C
Cited
DE1946370A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-06-12 | 1981-12-12 | 1982-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-12 | 1985-12-12 | 1986-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-12 | 1989-12-12 | 1990-06-13 | $7700.00 | Window Closed / Lapsed |