US4021561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trifluoromethylthio- and trifluoromethylsulfonyl-thioxanthen-9-ylidenepiperidines
Assignee: Merck and Co Inc
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Filing: 1975-12-22
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Granted: 1977-05-03
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Expires: 1995-12-22
Abstract
Abstract 1-Methyl-4-[2-(trifluoromethylthio)thioxanthen-9-ylidene]piperidine and the corresponding 2-trifluoromethylsulfonyl compound are antipsychotic agents. They are prepared by dehydration of the corresponding 9-hydroxy-9-piperidyl compounds.
Inventors
- 👤 David C. Remy
- 👤 Susan F. Britcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:32
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/02; C07D409/04; C07D335/00; C07D335/04; C07D335/10; C07D335/12; C07D335/14; C07D335/16; A; A61; A61P; A61P25/00; A61P25/18
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
37 words
A pharmaceutical composition in unit dosage form comprising a carrier and an effective amount of a compound of structural formula: ##STR4## or pharmaceutically acceptable salt thereof, wherein R is --SCF 3 or --SO 2 CF 3 .
Claim 2
Dependent Claim
37 words
A pharmaceutical composition in unit dosage form comprising a carrier and an effective amount of a compound of structural formula: ##STR4## or pharmaceutically acceptable salt thereof, wherein R is --SCF 3 or --SO 2 CF 3 .
Claim 3
Dependent Claim
18 words
The pharmaceutical composition of claim 1, wherein the compound has structural formula: ##STR5## or pharmaceutically acceptable salt thereof.
Claim 4
Independent Claim
43 words
A method of treating psychoses which comprises the administration to a patient in need of such treatment an effective amount of a compound of structural formula: ##STR6## or pharmaceutically acceptable salt thereof, wherein R is --SCF 3 or --SO 2 CF 3 .
Claim 5
Independent Claim
43 words
A method of treating psychoses which comprises the administration to a patient in need of such treatment an effective amount of a compound of structural formula: ##STR6## or pharmaceutically acceptable salt thereof, wherein R is --SCF 3 or --SO 2 CF 3 .
Claim 6
Dependent Claim
17 words
The method of claim 3, herein the compound has structural formula: ##STR7## or pharmaceutically acceptable salt thereof.
Claim 7
Dependent Claim
22 words
A compound of structural formula: ##STR8## or pharmaceutically acceptable salts thereof wherein R is --SCF 3 or --SO 2 CF 3 .
Claim 8
Dependent Claim
22 words
A compound of structural formula: ##STR8## or pharmaceutically acceptable salts thereof wherein R is --SCF 3 or --SO 2 CF 3 .
Claim 9
Dependent Claim
14 words
The compound of claim 5 of structural formula: ##STR9## or pharmaceutically acceptable salt thereof.
Claim 10
Dependent Claim
13 words
The compound of claim 6, wherein R is --SO 2 CF 3 .
Claim 11
Dependent Claim
11 words
The compound of claim 6, wherein R is SCF 3 .
References Cited (Backward Citations)
US3275640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-02 | 1980-11-01 | 1981-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-02 | 1984-11-01 | 1985-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-02 | 1988-11-01 | 1989-05-03 | $7700.00 | Window Closed / Lapsed |