US3954789A
Expired / Lapsed
US
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2-Nitroimidazole derivatives
Assignee: Gruppo Lepetit SpA
•
Filing: 1972-07-26
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Granted: 1976-05-04
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Expires: 1992-07-26
Abstract
Abstract 2-Nitroimidazole derivatives of the general formula ##SPC1## Wherein R is a lower alkyl group and Y is a member of the group consisting of --CH 2 OH, --CHO, CH 3 CO--, vinyl, formylvinyl, styryl, substituted iminomethyl, 2-benzimidazolyl and 5-amino-1,3,4-thiadiazol-2-yl. The term "lower alkyl" designates aliphatic groups of from 1 to 4 carbon atoms; the term "substituted iminomethyl" designates nitrogen-containing functional derivatives of the aldehydic group. The compounds have antimicrobial activity.
Inventors
- 👤 Bruno Cavalleri
- 👤 Giancarlo Lancini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:30
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/04; C07D233/00; C07D233/54; C07D233/66; C07D233/91
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
11 words
A compound of the group consisting of 1-methyl-2-nitro-5-imidazolecarboxaldehyde, 1-ethyl-2-nitro-5-imidazolecarboxaldehyde and a-(1-methyl-2-nitro-5-imidazolyl)-N-methylnitrone.
Claim 2
Dependent Claim
11 words
A compound of the group consisting of 1-methyl-2-nitro-5-imidazolecarboxaldehyde, 1-ethyl-2-nitro-5-imidazolecarboxaldehyde and a-(1-methyl-2-nitro-5-imidazolyl)-N-methylnitrone.
Claim 3
Dependent Claim
8 words
A compound of claim 1 which is 1-methyl-2-nitro-5-imidazolecarboxaldehyde.
Claim 4
Dependent Claim
8 words
A compound of claim 1 which is 1-ethyl-2-nitro-5-imidazolecarboxaldehyde.
Claim 5
Dependent Claim
8 words
A compound of claim 1 which is α-(1-methyl-2-nitro-5-imidazolyl)-N-methylnitrone.
References Cited (Backward Citations)
US3583985A
Cited
US3711495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-05-04 | 1979-11-03 | 1980-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-05-04 | 1983-11-03 | 1984-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-05-04 | 1987-11-03 | 1988-05-04 | $7700.00 | Window Closed / Lapsed |