US4155913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thienotriazolodiazepine derivatives
Assignee: Hoffmann La Roche Inc
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Filing: 1977-10-14
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Granted: 1979-05-22
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Expires: 1997-10-14
Abstract
Abstract Novel thienotriazolodiazepine derivatives and processes for their preparation are described. These compounds are useful as anticonvulsants, muscle-relaxants and sedatives.
Inventors
- 👤 Joseph Hellerbach
- 👤 Paul Zeller
- 👤 Dieter Binder
- 👤 Otto Hromatka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:03
CPC Classifications
C; C07; C07D; C07D495/00; C07D495/02; C07D495/04; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/30; C07D333/36; C07D495/12; C07D495/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
55 words
A compound of the formula ##STR13## wherein R 1 is halogen selected from the group consisting of chlorine, bromine and iodine; R 2 is ##STR14## R 3 signifies hydrogen; R 4 signifies hydrogen, lower alkyl and hydroxy lower alkyl; R 5 signifies hydrogen, halogen, nitro or trifluoromethyl and the pharmaceutically acceptable acid addition salts thereof.
Claim 2
Dependent Claim
55 words
A compound of the formula ##STR13## wherein R 1 is halogen selected from the group consisting of chlorine, bromine and iodine; R 2 is ##STR14## R 3 signifies hydrogen; R 4 signifies hydrogen, lower alkyl and hydroxy lower alkyl; R 5 signifies hydrogen, halogen, nitro or trifluoromethyl and the pharmaceutically acceptable acid addition salts thereof.
Claim 3
Dependent Claim
91 words
A compound of the formula ##STR15## wherein R 1 is selected from the group consisting of chlorine, bromine, iodine, nitro, amino and lower alkanoyl; R 2 is ##STR16## R 3 signifies hydrogen, hydroxy, lower alkoxy carbonyl or lower alkanoyloxy; R 4 signifies the group of the formula -lower alkyl-Z wherein Z signifies the grouping -N(R 7 )(R 8 ) wherein R 7 and R 8 are each independently hydrogen, lower alkyl or hydroxy lower alkyl; R 5 signifies hydrogen, halogen, nitro or trifluoromethyl and the pharmaceutically acceptable acid addition salts thereof.
Claim 4
Dependent Claim
91 words
A compound of the formula ##STR15## wherein R 1 is selected from the group consisting of chlorine, bromine, iodine, nitro, amino and lower alkanoyl; R 2 is ##STR16## R 3 signifies hydrogen, hydroxy, lower alkoxy carbonyl or lower alkanoyloxy; R 4 signifies the group of the formula -lower alkyl-Z wherein Z signifies the grouping -N(R 7 )(R 8 ) wherein R 7 and R 8 are each independently hydrogen, lower alkyl or hydroxy lower alkyl; R 5 signifies hydrogen, halogen, nitro or trifluoromethyl and the pharmaceutically acceptable acid addition salts thereof.
References Cited (Backward Citations)
NL7015430A
Cited
US3759943A
Cited
US3734922A
Cited
DE2229845A1
Cited
US3904641A
Cited
US3842090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-05-21 | 1982-11-20 | 1983-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-21 | 1986-11-20 | 1987-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-21 | 1990-11-20 | 1991-05-22 | $7700.00 | Window Closed / Lapsed |