US4217447A
Expired / Lapsed
US
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Antibacterial compounds
Assignee: Beecham Group PLC
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Filing: 1979-06-14
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Granted: 1980-08-12
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Expires: 1999-06-14
Abstract
Abstract Esters of an acid of formula: <IMAGE> which is termed "monic acid" have activity against Gram-positive and Gram-negative organisms.
Inventors
- 👤 Kong Luk
- 👤 John P. Clayton
- 👤 Norman H. Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:17
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61P; A61P31/00; A61P31/04; C; C07; C07D; C07D407/00; C07D407/02; C07D407/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
119 words
A compound of the formula (II): ##STR34## wherein R is alkyl of 1 to 20 carbon atoms, alkenyl of 2 to 8 carbon atoms or alkynyl of 2 to 8 carbon atoms substituted by cycloalkyl of 3 to 7 carbon atoms unsubstituted or substituted by alkyl of 1 to 6 carbon atoms or aryl unsubstituted or substituted by up to 5 substituents selected from the group consisting of halogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, hydroxy, amino, carboxy, alkoxycarbonyl of 1 to 6 carbon atoms, in the alkoxy moiety and alkoxycarbonyalkyl of 1 to 6 carbon atoms in the alkoxy moiety and 1 to 6 carbon atoms in the alkyl moiety.
Claim 2
Dependent Claim
119 words
A compound of the formula (II): ##STR34## wherein R is alkyl of 1 to 20 carbon atoms, alkenyl of 2 to 8 carbon atoms or alkynyl of 2 to 8 carbon atoms substituted by cycloalkyl of 3 to 7 carbon atoms unsubstituted or substituted by alkyl of 1 to 6 carbon atoms or aryl unsubstituted or substituted by up to 5 substituents selected from the group consisting of halogen, alkyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, hydroxy, amino, carboxy, alkoxycarbonyl of 1 to 6 carbon atoms, in the alkoxy moiety and alkoxycarbonyalkyl of 1 to 6 carbon atoms in the alkoxy moiety and 1 to 6 carbon atoms in the alkyl moiety.
Claim 3
Dependent Claim
10 words
A compound according to claim 1 wherein R is methylphenyl.
Claim 4
Dependent Claim
10 words
A compound according to claim 1 wherein R is ##STR35##
Claim 5
Dependent Claim
22 words
A compound according to claim 1 wherein the double bond in the compound of the formula (II) is in the E configuration.
Claim 6
Dependent Claim
12 words
A compound according to claim 1 wherein the compound is 1R,S-methoxycarbonyl-1R,S-cyclohexylmethyl monate.
References Cited (Backward Citations)
US4071536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-08-12 | 1984-02-11 | 1984-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-12 | 1988-02-11 | 1988-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-12 | 1992-02-11 | 1992-08-12 | $7700.00 | Window Closed / Lapsed |