JPS55167300A - Cynanchogenin glycoside and its preparation - Google Patents
Cynanchogenin glycoside and its preparationInfo
- Publication number
- JPS55167300A JPS55167300A JP7487079A JP7487079A JPS55167300A JP S55167300 A JPS55167300 A JP S55167300A JP 7487079 A JP7487079 A JP 7487079A JP 7487079 A JP7487079 A JP 7487079A JP S55167300 A JPS55167300 A JP S55167300A
- Authority
- JP
- Japan
- Prior art keywords
- glycoside
- cynanchogenin
- pentane
- give
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
NEW MATERIAL:Cynanchogenin glycoside of the formula.
USE: An immune enhancing agent.
PROCESS: The finely cut and dried root of cynanchum caudatum MAX. of the family Asclepiadaceae is macerated or digested with an organic solvent, e.g. an alcohol such as methanol or ethanol, or a halogenated hydrocarbon such as chloroform, to give a crude extract (E), which is defatted with pentane, hexane or cyclohexane, preferably hexane, in a volume of 4W5 times, preferably 4.5 times, that of (E) to form a crude glycoside. The resulting glycoside is then extracted with a mixed solvent of an aliphatic hydrocarbon, e.g. pentane, and an aromatic hydrocarbon, e.g. benzene, and the portion which is soluble in the organic solvent is fractionated by column chromatography, and if necessary collected by TLC to give the compound of the formula.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7487079A JPS55167300A (en) | 1979-06-14 | 1979-06-14 | Cynanchogenin glycoside and its preparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7487079A JPS55167300A (en) | 1979-06-14 | 1979-06-14 | Cynanchogenin glycoside and its preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55167300A true JPS55167300A (en) | 1980-12-26 |
Family
ID=13559790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7487079A Pending JPS55167300A (en) | 1979-06-14 | 1979-06-14 | Cynanchogenin glycoside and its preparation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55167300A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010155811A (en) * | 2008-12-30 | 2010-07-15 | Noevir Co Ltd | Immune cell activator |
-
1979
- 1979-06-14 JP JP7487079A patent/JPS55167300A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010155811A (en) * | 2008-12-30 | 2010-07-15 | Noevir Co Ltd | Immune cell activator |
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