US3838146A
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Cardenolide-and bufadienolide-3-(2',3'-didesoxyglycosides)and processfor their preparation
Assignee: Hoechst AG
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Filing: 1970-08-10
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Granted: 1974-09-24
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Expires: 1990-08-10
Abstract
Abstract CARDENOLIDE- AND BUFADIENOLIDE-3-(2,'',3-DIDESOXYGLYCOSIDES) AND CORRESPONDING COMPOUNDS HAVING AN OXIDO GROUP IN THE 2'',3''-POSITION OF THE GLYCOSIDE, AND A PROCESS FOR MAKING THEM STARTING FROM THE CORRESPONDING 2'',3''UNSUBSTURATED COMPOUNDS BY REACTION, WITH ORGANIC PERCARBOXYLIC ACIDS OR BY CATALYTIC HYDROGENERATION. THE COMPOUNDS ARE USEFUL FOR THE TREATMENT OF CARDIAC INSUFFICIENCY.
Inventors
- 👤 U Stache
- 👤 W Fritsch
- 👤 E Lindner
- 👤 W Haede
- 👤 K Radscheit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:43
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/58; A61K31/585; A61K31/70; A61P; A61P1/00; A61P1/12; A61P7/00; A61P7/10; A61P9/00; A61P9/04; C; C07; C07J; C07J19/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |