JPS5645475A - 1-(5'-hexynyl)-3-methyl-7-alkylxanthine and its preparation - Google Patents

1-(5'-hexynyl)-3-methyl-7-alkylxanthine and its preparation

Info

Publication number
JPS5645475A
JPS5645475A JP12013579A JP12013579A JPS5645475A JP S5645475 A JPS5645475 A JP S5645475A JP 12013579 A JP12013579 A JP 12013579A JP 12013579 A JP12013579 A JP 12013579A JP S5645475 A JPS5645475 A JP S5645475A
Authority
JP
Japan
Prior art keywords
formula
compound
preparation
alkylxanthine
hexynyl
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
JP12013579A
Other languages
Japanese (ja)
Inventor
Mitsuhiro Miyagaki
Shinichiro Sakai
Mikio Hori
Shinshirou Kougo
Motoo Kawahara
Yasuhiro Sato
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.)
SHIRATORI SEIYAKU KK
Shiratori Pharmaceutical Co Ltd
Original Assignee
SHIRATORI SEIYAKU KK
Shiratori 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 SHIRATORI SEIYAKU KK, Shiratori Pharmaceutical Co Ltd filed Critical SHIRATORI SEIYAKU KK
Priority to JP12013579A priority Critical patent/JPS5645475A/en
Publication of JPS5645475A publication Critical patent/JPS5645475A/en
Pending legal-status Critical Current

Links

Abstract

NEW MATERIAL:Compounds of formula I (R is alkyl of 2 or more carbon atoms).
USE: Synthetic intermediate of a compound of formula II, which is used as a blood circulation improver and remedy for interruption in arterial blood circulation.
PREPARATION: The reaction between a compound of formula III and another compound of formula IV (X is halogen) is conducted in the presence of an alkali such as caustic soda at 30W150°C for several min to several hr to give the compound of formula I.
COPYRIGHT: (C)1981,JPO&Japio
JP12013579A 1979-09-20 1979-09-20 1-(5'-hexynyl)-3-methyl-7-alkylxanthine and its preparation Pending JPS5645475A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12013579A JPS5645475A (en) 1979-09-20 1979-09-20 1-(5'-hexynyl)-3-methyl-7-alkylxanthine and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12013579A JPS5645475A (en) 1979-09-20 1979-09-20 1-(5'-hexynyl)-3-methyl-7-alkylxanthine and its preparation

Publications (1)

Publication Number Publication Date
JPS5645475A true JPS5645475A (en) 1981-04-25

Family

ID=14778825

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12013579A Pending JPS5645475A (en) 1979-09-20 1979-09-20 1-(5'-hexynyl)-3-methyl-7-alkylxanthine and its preparation

Country Status (1)

Country Link
JP (1) JPS5645475A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531708A1 (en) * 1982-08-10 1984-02-17 Malesci Sas XANTHIN DERIVATIVES, PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING SAME

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531708A1 (en) * 1982-08-10 1984-02-17 Malesci Sas XANTHIN DERIVATIVES, PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING SAME

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