Patent US4350449A successfully refreshed from Google Patents.
Patent US5128370A successfully refreshed from Google Patents.
US5128370A
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Furans and lactones from sterptomycetes and the use thereof
Assignee: Hoechst AG
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Filing: 1989-03-20
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Granted: 1992-07-07
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Expires: 2009-03-20
Abstract
Abstract New furans and lactones from streptomycetes, a process for the preparation thereof, and the use thereof. It is possible with the aid of various streptomycetes species to prepared new compounds having a furan or lactone structure. These compounds have a pharmacological, especially antibiotic, action.
Inventors
- 👤 Susanne Grabley
- 👤 Joachim Wink
- 👤 Klaus Kuhlein
- 👤 Gerhard Seibert
- 👤 Klaus Hutter
- 👤 Hermann Uhr
- 👤 Axel Zeeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:08
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33; C07D307/34; C07D307/38; C07D307/40; C07D307/42; C07H; C07H13/00; C07H13/02; C07H13/10; C07H7/00; C07H7/02; C12; C12P; C12P17/00; C12P17/02; C12P17/04; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
87 words
A compound of the general formula I, ##STR7## in which, independently of one another, R 1 denotes hydrogen, R 2 denotes methyl or 1-hydroxyethyl, R 3 denotes hydrogen or methyl, and R 4 denotes hydrogen, 2-hydroxypropyl or methyl, it being possible for the bonds between C 1 and C 2 , and C 3 and C 4 , to be double bonds, with the proviso that: when R 2 is methyl, R 4 is 2-hydroxypropyl, and when R 4 is hydrogen or methyl, R 2 is hydroxyethyl.
Claim 2
Dependent Claim
87 words
A compound of the general formula I, ##STR7## in which, independently of one another, R 1 denotes hydrogen, R 2 denotes methyl or 1-hydroxyethyl, R 3 denotes hydrogen or methyl, and R 4 denotes hydrogen, 2-hydroxypropyl or methyl, it being possible for the bonds between C 1 and C 2 , and C 3 and C 4 , to be double bonds, with the proviso that: when R 2 is methyl, R 4 is 2-hydroxypropyl, and when R 4 is hydrogen or methyl, R 2 is hydroxyethyl.
Claim 3
Dependent Claim
25 words
A pharmaceutical composition, comprising an effective amount of a compound of the formula I as claimed in claim 1 together with a pharmaceutically acceptable carrier.
Claim 4
Dependent Claim
25 words
An antibiotic medicine, comprising an effective amount of a compound of the formula I as claimed in claim 1 together with a pharmaceutically acceptable carrier.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-07-07 | 1996-01-06 | 1996-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-07-07 | 2000-01-06 | 2000-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-07-07 | 2004-01-06 | 2004-07-07 | $7700.00 | Window Closed / Lapsed |