Patent US4154947A successfully refreshed from Google Patents.
US4154947A
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Heterocyclic substituted benzylideneaminoguanidines
Assignee: Wyeth Holdings LLC
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Filing: 1978-03-13
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Granted: 1979-05-15
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Expires: 1998-03-13
Abstract
Abstract This disclosure describes novel substituted benzylideneaminoguanidines useful as anti-hypertensive agents and as diuretics.
Inventors
- 👤 Leon Goldman
- 👤 Joseph W. Marsico, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:35
CPC Classifications
C; C07; C07D; C07D241/00; C07D241/02; C07D241/10; C07D241/12; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/38; C07D277/00; C07D277/02; C07D277/20; C07D277/22; C07D277/28; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/14; C07D333/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
42 words
A compound selected from the group consisting of those of the formula: ##STR5## wherein R 1 is 2,6-dimethylphenyl or 2,6-dichlorophenyl and R 2 is 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-furyl, 2thienyl, 4-methyl-2-thiazolyl or 2-pyrazinyl; the tautomers thereof and the pharmacologically acceptable acid-addition salts thereof.
Claim 2
Dependent Claim
42 words
A compound selected from the group consisting of those of the formula: ##STR5## wherein R 1 is 2,6-dimethylphenyl or 2,6-dichlorophenyl and R 2 is 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-furyl, 2thienyl, 4-methyl-2-thiazolyl or 2-pyrazinyl; the tautomers thereof and the pharmacologically acceptable acid-addition salts thereof.
Claim 3
Dependent Claim
17 words
The compound according to claim 1 wherein R 1 is 2,6-dimethylphenyl and R 2 is 3-pyridyl; 1-(2,6-dimethylbenzylideneamino)-3-(3-pyridylmethyl)guanidine.
Claim 4
Dependent Claim
17 words
The compound according to claim 1 wherein R 1 is 2,6-dimethylphenyl and R 2 is 2-furyl; 1-(2,6-dimethylbenzylideneamino)-3-furfurylguanidine.
Claim 5
Dependent Claim
17 words
The compound according to claim 1 wherein R 1 is 2,6-dimethylphenyl and R 2 is 2-thienyl; 1-(2,6-dimethylbenzylideneamino)-3-(2-thenyl)guanidine.
Claim 6
Dependent Claim
17 words
The compound according to claim 1 wherein R 1 is 2,6-dimethylphenyl and R 2 is 4-methyl-2-thiazolyl; 1-(2,6-dimethylbenzylideneamino)-3-[(4-methyl-2-thiazolyl)methyl]guanidine
Claim 7
Dependent Claim
17 words
The compound according to claim 1 wherein R 1 is 2,6-dimethylphenyl and R 2 is 2-pyrazinyl; 1-(2,6-dimethylbenzylideneamino)-3-(2-pyrazinylmethyl)guanidine.
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) | 1982-05-14 | 1982-11-13 | 1983-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-14 | 1986-11-13 | 1987-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-14 | 1990-11-13 | 1991-05-15 | $7700.00 | Window Closed / Lapsed |