Patent US1980736A successfully refreshed from Google Patents.
Patent US4089971A successfully refreshed from Google Patents.
US4089971A
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Pharmaceutically active 2,9-dioxatricyclo[4,3,1,03,7 ]decanes
Assignee: AbbVie Pharmaceuticals GmbH
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Filing: 1976-10-15
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Granted: 1978-05-16
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Expires: 1996-10-15
Abstract
Abstract Pharmaceutically active 2,9-dioxatricyclo[4,3,1,03,7] decanes and the process for their production and the production of various intermediates are disclosed. Pharmaceutical compositions containing an effective amount of the novel compounds and a pharmaceutically acceptable carrier are also disclosed.
Inventors
- 👤 Peter Willibrord Thies
- 👤 Akiji Asai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:21
CPC Classifications
C; C07; C07D; C07D493/00; C07D493/02; C07D493/08; A; A61; A61P; A61P25/00; A61P25/04; A61P3/00; A61P3/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
48 words
A compound selected from the group consisting of the 2,9-dioxatricyclo[4,3,1,0 3 ,7 ]decanes of the Formula I: ##STR33## wherein one of R 1 and R 2 is hydrogen and the other is a hydroxy, carboxylic acyloxy or carbamyloxy or R 1 and R 2 taken together denote oxygen.
Claim 2
Dependent Claim
48 words
A compound selected from the group consisting of the 2,9-dioxatricyclo[4,3,1,0 3 ,7 ]decanes of the Formula I: ##STR33## wherein one of R 1 and R 2 is hydrogen and the other is a hydroxy, carboxylic acyloxy or carbamyloxy or R 1 and R 2 taken together denote oxygen.
Claim 3
Dependent Claim
16 words
The compound of claim 1 which is a 4-β-hydroxy-3,10-dimethyl-2,9-dioxatricyclo[4,3,1,0 3 ,7 ]decane of Formula VII: ##STR34##
Claim 4
Dependent Claim
16 words
The compound of claim 1 which is a 3,10-dimethyl-2,9-dioxatricyclo[4,3,1,0 3 ,7 ]decane-4-one of Formula VIII: ##STR35##
Claim 5
Dependent Claim
16 words
The compound of claim 1 which is a 4-α-hydroxy-3,10-dimethyl-2,9-dioxatricyclo[4,3,1,0 3 ,7 ]decane of Formula IX: ##STR36##
Claim 6
Dependent Claim
58 words
A pharmaceutical composition comprising a pharmaceutical carrier and an analgesic and anorectic effective amount of a compound selected from the group consisting of the following structural formula: ##STR37## wherein one of R 1 and R 2 is hydrogen and the other is a hydroxy, carboxylic acyloxy or carbamyloxy or R 1 and R 2 taken together denote oxygen.
Claim 7
Dependent Claim
58 words
A pharmaceutical composition comprising a pharmaceutical carrier and an analgesic and anorectic effective amount of a compound selected from the group consisting of the following structural formula: ##STR37## wherein one of R 1 and R 2 is hydrogen and the other is a hydroxy, carboxylic acyloxy or carbamyloxy or R 1 and R 2 taken together denote oxygen.
References Cited (Backward Citations)
US3812154A
Cited
US4016176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-15 | 1981-11-14 | 1982-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-15 | 1985-11-14 | 1986-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-15 | 1989-11-14 | 1990-05-16 | $7700.00 | Window Closed / Lapsed |