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Patent US3761491A successfully refreshed from Google Patents.
US3761491A
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US
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1-substituted-5-nitroimidazol-2-ylalkyl-(n-substituted)-carbamates
Assignee: Merck and Co Inc
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Filing: 1971-11-12
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Granted: 1973-09-25
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Expires: 1991-11-12
Abstract
Abstract 1-Substituted-5-nitroimidazol-2-ylalkyl carbamates containing Nacyl substituents, and acid addition salts thereof are prepared from 1-substituted-5-nitroimidazoles having at the 2-position of the imidazole ring an hydroxyalkyl, mercaptoalkyl, haloalkyl, halo-carbonylalkyl or halothiocarbonyloxyalkyl radical. The 1substituted-5-nitroimidazol-2-ylalkyl-(N-substituted)-carbamates are useful in the treatment of parasitic diseases. Antiparasitic compositions in which the active ingredient is a 1-substitutedimidazol-2-ylalkyl-(N-substituted)-carbamate are also provided.
Inventors
- 👤 J Carlson
- 👤 D Hoff
- 👤 C Rooney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:44
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/91; C07D233/92; C07D233/94; A; A23; A23K; A23K20/00; A23K20/10; A23K20/116; A23K20/137
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
10 words
The compound of claim 1 in which R1 is methyl.
Claim 2
Dependent Claim
10 words
The compound of claim 2 in which Q is methylene.
Claim 3
Dependent Claim
13 words
The compound of claim 3 in which both A and M are oxygen.
Claim 4
Dependent Claim
10 words
The compound of claim 4 in which R4 is loweralkanoyl.
Claim 5
Dependent Claim
10 words
The compound of claim 5 in which R4 is acetyl.
Claim 6
Dependent Claim
10 words
The compound of claim 5 in which R4 is formyl.
Claim 7
Dependent Claim
10 words
The compound of claim 4 in which R4 is chloroacetyl.
Claim 8
Dependent Claim
10 words
The compound of claim 4 in which R4 is benzoyl.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |