JPS55136281A - Xanthine derivative - Google Patents

Xanthine derivative

Info

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
Application number
JP4247779A
Other languages
Japanese (ja)
Inventor
Kazuo Kikazawa
Mineji Hiiragi
Nagatoshi Azuma
Tsuneo Uryu
Hitoshi Inoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aska Pharmaceutical Co Ltd
Original Assignee
Grelan Pharmaceutical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Grelan Pharmaceutical Co Ltd filed Critical Grelan Pharmaceutical Co Ltd
Priority to JP4247779A priority Critical patent/JPS55136281A/en
Publication of JPS55136281A publication Critical patent/JPS55136281A/en
Pending legal-status Critical Current

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
JP4247779A 1979-04-10 1979-04-10 Xanthine derivative Pending JPS55136281A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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