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US4279822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(1-Substituted-3-pyrrolidinyl)benzamides
Assignee: Wyeth LLC
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Filing: 1976-12-06
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Granted: 1981-07-21
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Expires: 1996-12-06
Abstract
Abstract N-(1-Substituted-3-pyrrolidinyl)benzamides of the formula ##STR1## wherein R is cycloalkyl or phenyllower-alkyl; R 1 is hydrogen or lower alkyl of 1 to 8 carbon atoms; R 2 is acetamido, amino, methylamino, dimethylamino, benzyloxy, halogen, lower alkoxy, methylmercapto, nitro, cyano, hydroxy, sulfamoyl, bis(methylsulfonyl)amino, methylsulfonylamino, aminomethyl or acetylaminomethyl and can be the same or different; n is an integer from one to three inclusive with the proviso that when R 2 is amino, nitro, halogen or lower alkoxy, n is greater than one, and pharmaceutically acceptable acid addition salts thereof are disclosed.
Inventors
- 👤 Albert D. Cale, Jr.
- 👤 Charles A. Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:41
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/04; C07D207/10; C07D207/14
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
1 words
N-(1-cyclohexyl-3-pyrrolidinyl)-4-acetamidobenzamide.
Claim 2
Dependent Claim
1 words
N-(1-cyclohexyl-3-pyrrolidinyl)-4-acetamidobenzamide.
Claim 3
Dependent Claim
1 words
N-(1-cyclohexyl-3-pyrrolidinyl)-2-methoxy-5-sulfamoylbenzamide.
Claim 4
Dependent Claim
1 words
N-(1-cyclohexyl-3-pyrrolidinyl)-2-methoxy-5-sulfamoylbenzamide.
Claim 5
Dependent Claim
5 words
The fumarate salt of N-(1-cyclohexyl-3-pyrrolidinyl)-2-methoxy-4-amino-5-chlorobenzamide.
Claim 6
Dependent Claim
5 words
The fumarate salt of N-(1-cyclohexyl-3-pyrrolidinyl)-2-methoxy-4-amino-5-chlorobenzamide.
Claim 7
Dependent Claim
1 words
N-(1-cyclohexyl-3-pyrrolidinyl)-2-methoxy-4-amino-5-chlorobenzamide.
Claim 8
Dependent Claim
1 words
N-(1-cyclohexyl-3-pyrrolidinyl)-2-methoxy-4-amino-5-chlorobenzamide.
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) | 1984-07-20 | 1985-01-19 | 1985-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-20 | 1989-01-19 | 1989-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-20 | 1993-01-19 | 1993-07-21 | $7700.00 | Window Closed / Lapsed |