US4480103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-Fluoro-5-oxypyrazole derivatives
Assignee: Daikin Industries Ltd
•
Filing: 1981-11-05
•
Granted: 1984-10-30
•
Expires: 2001-11-05
Abstract
Abstract These compounds are especially useful as intermediates to the corresponding thionophosphonic acid esters having insecticidal and acaricidal properties.
Inventors
- 👤 Nobuo Ishikawa
- 👤 Tomoya Kitazume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:20
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/18; C07D231/20
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
43 words
4-Fluoro-5-oxypyrazole derivative having the formula wherein R 1 represents hydrogen or a lower alkyl group; and R 2 represents a phenyl group, or a phenyl group having one or more substituents selected from fluorine, chlorine, a lower alkyl group and a dimethylamino group.
Claim 2
Dependent Claim
43 words
4-Fluoro-5-oxypyrazole derivative having the formula wherein R 1 represents hydrogen or a lower alkyl group; and R 2 represents a phenyl group, or a phenyl group having one or more substituents selected from fluorine, chlorine, a lower alkyl group and a dimethylamino group.
Claim 3
Dependent Claim
29 words
4-Fluoro-5-oxypyrazole derivative according to claim 1 which is selected from (1) 3-phenyl-4-fluoro-5-oxypyrazole; (2) 1-methyl-3-phenyl-4-fluoro-5-oxypyrazole; (3) 1-methyl-3-(4-methylphenyl)-4-fluoro-5-oxypyrazole; (4) 1-methyl-3-(4-chlorophenyl)-4-fluoro-5-oxypyrazole; (5) 1-methyl-3-(4-dimethylaminophenyl)-4-fluoro-5-oxypyrazole; (6) 1-methyl-3-(4-fluorophenyl)-4-fluoro-5-oxypyrazole; (7) 1-methyl-3-(3-methylphenyl)-4-fluoro-5-oxypyrazole; (8) 3-(4-methylphenyl)-4-fluoro-5-oxypyrazole; and (9) 3-(4-chlorophenyl)-4-fluoro-5-oxypyrazole.
Claim 4
Dependent Claim
42 words
4-Fluoro-5-oxypyrazole derivative having the formula ##STR5## wherein R 1 represents a lower alkyl group; and R 2 represents a phenyl group, or a phenyl group having one or more substituents selected from fluorine, chlorine, a lower alkyl group and a dimethylamino group.
Claim 5
Dependent Claim
42 words
4-Fluoro-5-oxypyrazole derivative having the formula ##STR5## wherein R 1 represents a lower alkyl group; and R 2 represents a phenyl group, or a phenyl group having one or more substituents selected from fluorine, chlorine, a lower alkyl group and a dimethylamino group.
Claim 6
Dependent Claim
23 words
4-Fluoro-5-oxypyrazole derivative according to claim 3 which is selected from (1) 1-methyl-3-phenyl-4-fluoro-5-oxypyrazole; (2) 1-methyl-3-(4-methylphenyl)-4-fluoro-5-oxypyrazole; (3) 1-methyl-3-(4-chlorophenyl)-4-fluoro-5-oxypyrazole; (4) 1-methyl-3-(4-dimethylaminophenyl)-4-fluoro-5-oxypyrazole; (5) 1-methyl-3-(4-fluorophenyl)-4-fluoro-5-oxypyrazole; and (6) 1-methyl-3-(3-methylphenyl)-4-fluoro-5-oxypyrazole.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-30 | 1988-04-30 | 1988-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-30 | 1992-04-30 | 1992-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-30 | 1996-04-30 | 1996-10-30 | $7700.00 | Window Closed / Lapsed |