US3907816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-Alkyl-2-(pyridylthiomethyl)-5-nitro-imidazoles and derivatives thereof as well as process for their manufacture
Assignee: Hoechst AG
•
Filing: 1974-05-16
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Granted: 1975-09-23
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Expires: 1994-05-16
Abstract
Abstract This invention provides 1-alkyl-2-(pyridylthiomethyl)-5-nitroimidazoles and 1-alkyl-2-(N-oxy-pyridylthiomethyl)-5-nitroimidazoles of the formula in which R is methyl, ethyl or hydroxyethyl and the pyridyl and N-oxy-pyridyl group is linked in 2-, 3- or 4-position to the sulfur atom, as well as process for the manufacture of these compounds. The novel compounds are suitable for the treatment of protozoal diseases in mammals.
Inventors
- 👤 Erhardt Winkelmann
- 👤 Wolfgang Raether
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:36
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/91; C07D233/92; C07D233/93
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
8 words
A compound of claim 1, which is 1-methyl-2-(2''-pyridylthio-methyl)-5-nitro-imidazole.
Claim 4
Dependent Claim
8 words
A compound of claim 1, which is 1-methyl-2-(3''-pyridylthio-methyl)-5-nitro-imidazole.
Claim 5
Dependent Claim
8 words
A compound of claim 1, which is 1-methyl-2-(4''-pyridylthio-methyl)-5-nitro-imidazole.
Claim 6
Dependent Claim
8 words
A compound of claim 1, which is 1-methyl-2-(N-oxy-2''-pyridyl-thiomethyl)-5-nitro-imidazole.
Claim 7
Dependent Claim
8 words
A compound of claim 1, which is 1-methyl-2-(N-oxy-3''-pyridyl-thiomethyl)-5-nitro-imidazole.
Claim 8
Dependent Claim
8 words
A compound of claim 1, which is 1-methyl-2-(N-oxy-4''-pyridyl-thiomethyl)-5-nitro-imidazole.
Claim 9
Dependent Claim
8 words
A compound of claim 1, which is 1-ethyl-2-(2''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 10
Dependent Claim
8 words
A compound of claim 1, which is 1-ethyl-2-(3''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 11
Dependent Claim
8 words
A compound of claim 1, which is 1-ethyl-2-(4''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 12
Dependent Claim
8 words
A compound of claim 1, which is 1-ethyl-2-(N-oxy-2''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 13
Dependent Claim
8 words
A compound of claim 1, which is 1-ethyl-2-(N-oxy-3''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 14
Dependent Claim
8 words
A compound of claim 1, which is 1-ethyl-2-(N-oxy-4''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 15
Dependent Claim
8 words
A compound of claim 1, which is 1-(2-hydroxyethyl)-2-(2''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 16
Dependent Claim
8 words
A compound of claim 1, which is 1-(2-hydroxyethyl)-2-(3''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 17
Dependent Claim
8 words
A compound of claim 1, which is 1-(2-hydroxyethyl)-2-(4''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 18
Dependent Claim
8 words
A compound of claim 1, which is 1-(2-hydroxyethyl)-2-(N-oxy-2''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 19
Dependent Claim
8 words
A compound of claim 1, which is 1-(2-hydroxyethyl)-2-(N-oxy-3''-pyridylthiomethyl)-5-nitro-imidazole.
Claim 20
Dependent Claim
8 words
A compound of claim 1, which is 1-(2-hydroxyethyl)-2-(N-oxy-4''-pyridylthiomethyl)-5-nitro-imidazole.
References Cited (Backward Citations)
US3635995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |