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US4018779A
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Derivatives of 10,11-dihydrobenzo[4,5]cyclohepta[1,2-b]-pyrazolo[4,3-e]pyridine-5(1H)ones
Assignee: ER Squibb and Sons LLC
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Filing: 1976-03-25
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Granted: 1977-04-19
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Expires: 1996-03-25
Abstract
Abstract New derivatives of 10,11-dihydrobenzo[4,5]cyclohepta[1,2-b]pyrazolo[4,3-e]pyridin-5(1H)ones have the general formula ##STR1## They and salts thereof are useful as psychotropic agents.
Inventors
- 👤 Hans Hoehn
- 👤 Jack Bernstein
- 👤 B. Richard Vogt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:20
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; A; A61; A61P; A61P25/00; A61P25/20
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
95 words
A compound of the formula ##STR14## wherein R 1 is lower alkyl, phenyl or phenyl-lower alkyl; R 2 is hydrogen, lower alkyl or phenyl; R 3 is hydrogen, hydroxy, lower alkoxy, halogen, di (lower alkyl) amino (lower alkoxy) or the group ##STR15## wherein R 4 and R 5 each is hydrogen, lower alkyl, phenyl, carbo-lower alkoxy or di (lower alkyl) amino (lower alkyl) or ##STR16## together is one of the unsubstituted heterocyclics piperidine, piperazine, morpholine or thiamorpholine or one of said heterocyclics substituted with a lower alkyl or hydroxy lower alkyl group; and salts thereof.
Claim 2
Dependent Claim
95 words
A compound of the formula ##STR14## wherein R 1 is lower alkyl, phenyl or phenyl-lower alkyl; R 2 is hydrogen, lower alkyl or phenyl; R 3 is hydrogen, hydroxy, lower alkoxy, halogen, di (lower alkyl) amino (lower alkoxy) or the group ##STR15## wherein R 4 and R 5 each is hydrogen, lower alkyl, phenyl, carbo-lower alkoxy or di (lower alkyl) amino (lower alkyl) or ##STR16## together is one of the unsubstituted heterocyclics piperidine, piperazine, morpholine or thiamorpholine or one of said heterocyclics substituted with a lower alkyl or hydroxy lower alkyl group; and salts thereof.
Claim 3
Dependent Claim
43 words
A compound as in claim 1 wherein R 1 is lower alkyl; R 2 is hydrogen; and R 3 is lower alkoxy, lower alkylamino, di (lower alkyl) amino (lower alkoxy) or di (lower alkyl) amino (lower alkyl) amino; and acid addition salts thereof.
Claim 4
Dependent Claim
11 words
A compound as in claim 1 wherein R 2 is hydrogen.
Claim 5
Dependent Claim
12 words
A compound as in claim 1 wherein R 3 is lower alkoxy.
Claim 6
Dependent Claim
12 words
A compound as in claim 1 wherein R 3 is lower alkylamino.
Claim 7
Dependent Claim
16 words
A compound as in claim 1 wherein R 3 is di (lower alkyl) amino (lower alkoxy).
Claim 8
Dependent Claim
17 words
A compound as in claim 1 wherein R 3 is di (lower alkyl) amino (lower alkyl) amino.
Claim 9
Dependent Claim
17 words
A compound as in claim 1 wherein R 1 is lower alkyl and R 2 is hydrogen.
Claim 10
Dependent Claim
11 words
A compound as in claim 3 wherein R 1 is ethyl.
Claim 11
Dependent Claim
11 words
A compound as in claim 9 wherein R 3 is hydroxy.
Claim 12
Dependent Claim
11 words
A compound as in claim 9 wherein R 3 is chloro.
Claim 13
Dependent Claim
11 words
A compound as in claim 9 wherein R 3 is ethoxy.
Claim 14
Dependent Claim
11 words
A compound as in claim 9 wherein R 3 is hydrogen.
Claim 15
Dependent Claim
11 words
A compound as in claim 9 wherein R 3 is butylamino.
Claim 16
Dependent Claim
11 words
A compound as in claim 9 wherein R 3 is butoxy.
Claim 17
Dependent Claim
11 words
A compound as in claim 9 wherein R 3 is methylamino.
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) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |