US3968125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dihydroxyhexahydrodibenzo[b,d]pyrans
Assignee: Eli Lilly and Co
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Filing: 1973-11-05
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Granted: 1976-07-06
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Expires: 1993-11-05
Abstract
Abstract 1,9-Dihydroxy-3-alkyl-6a,7,8,9,10,10a-hexahydro-6H-dibenzo[b,d]pyrans, useful as hypotensive agents, as psychotropic drugs, particularly as anti-anxiety and/or antidepressant drugs, and as sedative and/or analgesic drugs.
Inventors
- 👤 Robert A. Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:58
CPC Classifications
C; C07; C07D; C07D311/00; C07D311/02; C07D311/78; C07D311/80; A; A61; A61P; A61P25/00; A61P25/04; A61P25/20; A61P25/24; A61P25/26; A61P9/00; A61P9/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
50 words
A compound of the formula ##SPC6## wherein R' is ##EQU3## wherein R" is C 1 - C 7 alkyl, R v is H or methyl, each R'" is individually hydrogen or C 1 - C 4 alkanoyl, and wherein both R's are the same and can be hydrogen or methyl.
Claim 2
Dependent Claim
50 words
A compound of the formula ##SPC6## wherein R' is ##EQU3## wherein R" is C 1 - C 7 alkyl, R v is H or methyl, each R'" is individually hydrogen or C 1 - C 4 alkanoyl, and wherein both R's are the same and can be hydrogen or methyl.
Claim 3
Dependent Claim
13 words
A compound according to claim 1, said compound being dl-trans-1,9-dihydroxy-3-(1',1'-dimethylheptyl)-6aβ, 7,8,9,10,10 aα-hexahydro-6,6-dimethyl-6H-dibenzo[b,d] pyran
Claim 4
Dependent Claim
13 words
A compound according to claim 1, said compound being dl-trans-1,9-dihydroxy-3-(1',2'-dimethylheptyl)-6aβ, 7,8,9,10,10 aα-hexahydro-6,6-dimethyl-6H-dibenzo[b,d] pyran
Claim 5
Dependent Claim
13 words
A compound according to claim 1, said compound being dl-trans-1,9-dihydroxy-3-(t-butyl)-6aβ, 7,8,9,10,10 aα-hexahydro-6,6-dimethyl-6H-dibenzo[b,d] pyran
Claim 6
Dependent Claim
13 words
A compound according to claim 1, said compound being dl-cis-1,9-dihydroxy-3-(1',1'-dimethylheptyl16aβ, 7,8,9,10,10 aβ-hexahydro-6,6-dimethyl-6H-dibenzo[b,d] pyran
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) | 1979-07-06 | 1980-01-05 | 1980-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-06 | 1984-01-05 | 1984-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-06 | 1988-01-05 | 1988-07-06 | $7700.00 | Window Closed / Lapsed |