US3818014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-quinolyl-4(5)-trifluoromethylimidazoles
Assignee: Merck and Co Inc
•
Filing: 1972-06-21
•
Granted: 1974-06-18
•
Expires: 1992-06-21
Abstract
Abstract 4(5)-Trifluoromethylimidazoles having optional substituents in the 1 and 2 positions are provided. The novel 4(5)trifluoromethylimidazoles are prepared by reacting a 1,1-dihalo3,3,3-trifluoroacetone compound with an appropriate carboxaldehyde and ammonia. The 4(5)-trifluoromethylimidazoles are useful as anti-gout and anti-hyperuricemic agents.
Inventors
- 👤 J Baldwin
- 👤 F Novello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:12
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/64; C07D233/66; C07D233/91; C07D233/92; C07D233/93; C07D233/94; C07D233/95
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A compound of the formula:
Claim 2
Dependent Claim
1 words
2-(2-Quinolyl)-4(5)-trifluoromethylimidazole.
Claim 3
Dependent Claim
1 words
2-(6-Quinolyl)-4(5)-trifluoromethylimidazole.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |