US3914213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cardenolido-3-{8 4{40 -amino-2{40 , 3{40 , 4{40 -tridesoxy-glycosides{9 {0 and process for their manufacture
Assignee: Hoechst AG
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Filing: 1973-11-01
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Granted: 1975-10-21
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Expires: 1993-11-01
Abstract
Abstract Cardenolido-3-(4''-amino-2'', 3'', 4''-tridesoxy-glycosides) of the general formula WHEREIN R1 stands for a steroid radical of the 3hydroxycardenolide series, R2 stands for hydrogen, lower alkyl, alkenyl, cycloalkyl, phenyl, benzyl, phenylethyl, lower aliphatic acyl, or one of the acid radicals of benzoic acid, cinnamic acid or cyclohexane-carboxylic acid, and R3 stands for methyl, the CH2OR2-group or hydrogen, and a process for their preparation are described. The compounds have valuable pharmaceutical properties.
Inventors
- 👤 Ulrich Stache
- 👤 Werner Fritsch
- 👤 Werner Haede
- 👤 Ernst Lindner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:18
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/56; A61K31/58; A61K31/585; A61K31/70; A61K31/7042; A61K31/7048; C; C07; C07J; C07J17/00; C07J19/00; C07J19/005
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
5 words
A CARDENOLIDO-3-(4''-AMINO-2'',3''4''-TRIDESOXYGLYCOSIDE) OF THE FORMULA
Claim 2
Dependent Claim
5 words
A CARDENOLIDO-3-(4''-AMINO-2'',3''4''-TRIDESOXYGLYCOSIDE) OF THE FORMULA
Claim 3
Dependent Claim
2 words
Digitoxigenin-3-L-(2'', 3''-didesoxy-rhamnopyranosido-4''-p-toluene-sulfonate)
Claim 4
Dependent Claim
2 words
Digitoxigenin-3-L-(2'', 3''-didesoxy-rhamnopyranosido-4''-p-toluene-sulfonate)
Claim 5
Dependent Claim
5 words
Digitoxigenin-3-L-(2'', 3'', 4''-tridesoxy-rhamnopyranosido-4'' Alpha -azide)
Claim 6
Dependent Claim
5 words
Digitoxigenin-3-L-(2'', 3'', 4''-tridesoxy-rhamnopyranosido-4'' Alpha -azide)
Claim 7
Dependent Claim
5 words
Digitoxigenin-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -aminorhammoside)
Claim 8
Dependent Claim
5 words
Digitoxigenin-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -aminorhammoside)
Claim 9
Dependent Claim
5 words
Digitoxigenin-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -acetylamino-rhamnoside)
Claim 10
Dependent Claim
5 words
Digitoxigenin-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -acetylamino-rhamnoside)
Claim 11
Dependent Claim
2 words
Digitoxigenin-3-D-(2'', 3''-didesoxy-xylosido-4''-p-toluene-sulfonate)
Claim 12
Dependent Claim
2 words
Digitoxigenin-3-D-(2'', 3''-didesoxy-xylosido-4''-p-toluene-sulfonate)
Claim 13
Dependent Claim
5 words
Digitoxigenin-3-D-(2'', 3'', 4''-tridesoxy-xylosido-4'' Alpha -azide)
Claim 14
Dependent Claim
5 words
Digitoxigenin-3-D-(2'', 3'', 4''-tridesoxy-xylosido-4'' Alpha -azide)
Claim 15
Dependent Claim
5 words
Digitoxigenin-3-D-(2'', 3'', 4''-tridesoxy-4'' Alpha -amino-xyloside)
Claim 16
Dependent Claim
5 words
Digitoxigenin-3-D-(2'', 3'', 4''-tridesoxy-4'' Alpha -amino-xyloside)
Claim 17
Dependent Claim
5 words
K-Strophanthidin-3-(2'', 3'', 4''-tridesoxy-4'' Alpha -aminorhamnoside)
Claim 18
Dependent Claim
5 words
K-Strophanthidin-3-(2'', 3'', 4''-tridesoxy-4'' Alpha -aminorhamnoside)
Claim 19
Dependent Claim
7 words
(19-Carboxymethylene-periplogenin-5 Beta -lactone)-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -amino-rhamnoside)
Claim 20
Dependent Claim
7 words
(19-Carboxymethylene-periplogenin-5 Beta -lactone)-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -amino-rhamnoside)
Claim 21
Dependent Claim
5 words
Uazarigenin-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -amino-rhamnoside)
Claim 22
Dependent Claim
5 words
Uazarigenin-3-L-(2'', 3'', 4''-tridesoxy-4'' Alpha -amino-rhamnoside)
References Cited (Backward Citations)
US3471470A
Cited
US3838146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |