US3915976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted-4-phenyl-5h-cycloalkano(d)pyrimidines
Assignee: Sandoz AG
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Filing: 1972-09-01
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Granted: 1975-10-28
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Expires: 1992-09-01
Abstract
Abstract Substituted-4-phenyl-5H-cycloalkano(d) pyrimidines e.g., 6,7,8,9-tetrahydro-2-(4''-methyl-1''-piperazyl)-4-phenyl -5Hcyclopenta(d)pyrimidine, are prepared by treating a corresponding 2-halo-substituted-4-phenyl-5H-cycloalkano(d)pyrimidine with an amine and are useful as anti-inflammatory agents.
Inventors
- 👤 William G Salmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:18
CPC Classifications
C; C07; C07D; C07D403/00; C07D403/02; C07D403/04; C07D239/00; C07D239/70
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
A CONPOUND OF THE FURMULA:
Claim 2
Dependent Claim
5 words
A CONPOUND OF THE FURMULA:
Claim 3
Dependent Claim
9 words
The compound of claim 1 which is 6,7,8,9-tetrahydro-2-(4''-methyl-1''-pIperazyl)-4-phenyl-5H -cyclohepta(d)pyrimidine.
Claim 4
Dependent Claim
8 words
The compound of claim 1 which is 6,7-dihydro-2-(4''-methyl-1''-piperazyl)-4-phenyl-5H-cyclopenta(d)pyrimidine.
Claim 5
Dependent Claim
5 words
The compound which is 2-chloro-6,7,8,9-tetrahydro-4-phenyl-5H-cyclohepta(d)pyrimidine.
Claim 6
Dependent Claim
5 words
The compound which is 2-chloro-6,7,8,9-tetrahydro-4-phenyl-5H-cyclohepta(d)pyrimidine.
Claim 7
Dependent Claim
6 words
The compound which is 2-chloro-6,7-dihydro-4-phenyl-5H-cyclopenta(d) pyrimidine.
Claim 8
Dependent Claim
6 words
The compound which is 2-chloro-6,7-dihydro-4-phenyl-5H-cyclopenta(d) pyrimidine.
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) | 1978-10-27 | 1979-04-28 | 1979-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-27 | 1983-04-28 | 1983-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-27 | 1987-04-28 | 1987-10-28 | $7700.00 | Window Closed / Lapsed |