JPS55136281A - Xanthine derivative - Google Patents
Xanthine derivativeInfo
- Publication number
- JPS55136281A JPS55136281A JP4247779A JP4247779A JPS55136281A JP S55136281 A JPS55136281 A JP S55136281A JP 4247779 A JP4247779 A JP 4247779A JP 4247779 A JP4247779 A JP 4247779A JP S55136281 A JPS55136281 A JP S55136281A
- Authority
- JP
- Japan
- Prior art keywords
- compound
- formula
- xanthine derivative
- base
- dimethylxanthine
- 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:A compound of formula I: (R is H or acyl group; n is an integer 0W3).
EXAMPLE: 1-Cyclopropylmethyl-3,7-dimethylxanthine.
USE: Medicines.
PROCESS: A compound of formula II is reacted with a compound of formula III: (X is halogen) in the presence of a base, e.g. NaOH, in a suitable solvent, e.g. water, an alcohol, or DMF, which will not affect the reaction, at 50W160°C for 0.5W20hr, to give the compound of formula I. An alkali metal salt of the compound of formula II may also be used as the base.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4247779A JPS55136281A (en) | 1979-04-10 | 1979-04-10 | Xanthine derivative |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4247779A JPS55136281A (en) | 1979-04-10 | 1979-04-10 | Xanthine derivative |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55136281A true JPS55136281A (en) | 1980-10-23 |
Family
ID=12637136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4247779A Pending JPS55136281A (en) | 1979-04-10 | 1979-04-10 | Xanthine derivative |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55136281A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5321029A (en) * | 1988-11-14 | 1994-06-14 | Beecham-Wuelfing Gmbh & Co.K.G. | Xanthines |
JP2008259465A (en) * | 2007-04-13 | 2008-10-30 | Toyo Suisan Kikai Kk | Fish processing method and apparatus therefor |
-
1979
- 1979-04-10 JP JP4247779A patent/JPS55136281A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5321029A (en) * | 1988-11-14 | 1994-06-14 | Beecham-Wuelfing Gmbh & Co.K.G. | Xanthines |
JP2008259465A (en) * | 2007-04-13 | 2008-10-30 | Toyo Suisan Kikai Kk | Fish processing method and apparatus therefor |
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