US3891652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antianginal aryldecahydropyrrolo{8 3,4-f{9 quinolines
Assignee: ER Squibb and Sons LLC
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Filing: 1973-06-28
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Granted: 1975-06-24
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Expires: 1993-06-28
Abstract
Abstract 4-Aryl-2,3,3a,4,5,6,7,8,9,9b-decahydro-1H-pyrrolo-(3,4f)quinolines, 4-aryl-2,3,3a,4,5,7,8,9,9a,9b-decahydro-1-Hpyrrolo(3,4-f)quinolinium salts, intermediates for their preparation and methods for their preparation are disclosed. In addition, pharmaceutical compositions containing said compounds and methods for using said compositions as antiflammatory, antianginal and anti-arrhythmic agents and to reduce blood pressure are reported.
Inventors
- 👤 Frederic Peter Hauck
- 👤 Joseph E Sundeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:24
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D211/74; C07D211/76
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
24 words
The compound of claim 1 wherein aryl is selected from the group consisting of phenyl and p-methoxyphenyl and R and R1 are lower alkyl.
Claim 4
Dependent Claim
15 words
The compound of claim 2 wherein aryl is p-methoxyphenyl and R1 and R2 are methyl.
Claim 5
Dependent Claim
15 words
The compound of claim 2 wherein aryl is phenyl and R1 and R2 are methyl.
Claim 6
Dependent Claim
26 words
The compound of claim 1 wherein said acid addition salt is selected from the group consisting of the hydrochloride, phosphate, sulfate, perchlorate, acetate, and citrate salts.
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) | 1978-06-23 | 1978-12-23 | 1979-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-23 | 1982-12-23 | 1983-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-23 | 1986-12-23 | 1987-06-24 | $7700.00 | Window Closed / Lapsed |