US4347248A
Expired / Lapsed
US
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2,3-Disubstituted-thiazolo[3,2-a]pyrimidines
Assignee: Wyeth Holdings LLC
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Filing: 1981-03-23
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Granted: 1982-08-31
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Expires: 2001-03-23
Abstract
Abstract This disclosure describes 2,3-disubstituted-thiazolo[3,2-a]pyrimidines which are useful as diuretic agents.
Inventors
- 👤 William B. Wright, Jr.
- 👤 Andrew S. Tomcufcik
- 👤 Joseph W. Marsico, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:11
CPC Classifications
C; C07; C07D; C07D513/00; C07D513/02; C07D513/04; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
16 words
A compound selected from the group consisting of 2-(p-fluorophenyl)-3-(p-fluorobenzyl)-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 2
Dependent Claim
16 words
A compound selected from the group consisting of 2-(p-fluorophenyl)-3-(p-fluorobenzyl)-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 3
Dependent Claim
16 words
A compound selected from the group consisting of 2-(o-fluorophenyl)-3-(p-methoxyphenyl)-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 4
Dependent Claim
16 words
A compound selected from the group consisting of 2-(o-fluorophenyl)-3-(p-methoxyphenyl)-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 5
Dependent Claim
16 words
A compound selected from the group consisting of 2-phenyl-3-benzyl-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 6
Dependent Claim
16 words
A compound selected from the group consisting of 2-phenyl-3-benzyl-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 7
Dependent Claim
16 words
A compound selected from the group consisting of 2-(p-fluorophenyl)-3-(p-fluorophenyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 8
Dependent Claim
16 words
A compound selected from the group consisting of 2-(p-fluorophenyl)-3-(p-fluorophenyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 9
Dependent Claim
16 words
A compound selected from the group consisting of 2-(p-bromophenyl)-3-(p-bromobenzyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 10
Dependent Claim
16 words
A compound selected from the group consisting of 2-(p-bromophenyl)-3-(p-bromobenzyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable acid-addition salts thereof.
Claim 11
Dependent Claim
15 words
A compound selected from the group consisting of 2-(p-tolyl)-3-(p-methylbenzyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable salts thereof.
Claim 12
Dependent Claim
15 words
A compound selected from the group consisting of 2-(p-tolyl)-3-(p-methylbenzyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable salts thereof.
Claim 13
Dependent Claim
15 words
A compound selected from the group consisting of 2-phenyl-3-(p-methoxyphenyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable salts thereof.
Claim 14
Dependent Claim
15 words
A compound selected from the group consisting of 2-phenyl-3-(p-methoxyphenyl)-6,6-dimethyl-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine and the pharmacologically acceptable salts thereof.
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) | 1985-08-30 | 1986-03-01 | 1986-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-30 | 1990-03-01 | 1990-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-30 | 1994-03-01 | 1994-08-31 | $7700.00 | Window Closed / Lapsed |