JPS525794A - Preparation of 4-hydroxy-or 4,6-dihydroxy- 1h-pyrazolo-(3,4-d)pyrimidi ne - Google Patents

Preparation of 4-hydroxy-or 4,6-dihydroxy- 1h-pyrazolo-(3,4-d)pyrimidi ne

Info

Publication number
JPS525794A
JPS525794A JP8244075A JP8244075A JPS525794A JP S525794 A JPS525794 A JP S525794A JP 8244075 A JP8244075 A JP 8244075A JP 8244075 A JP8244075 A JP 8244075A JP S525794 A JPS525794 A JP S525794A
Authority
JP
Japan
Prior art keywords
pyrimidi
pyrazolo
dihydroxy
hydroxy
preparation
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.)
Granted
Application number
JP8244075A
Other languages
Japanese (ja)
Other versions
JPS5323319B2 (en
Inventor
Yoichi Kanei
Tadami Shinnai
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
Teikoku Chemical Industry Co Ltd
Original Assignee
Teikoku Chemical Industry Co Ltd
Teikoku Hormone Manufacturing 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 Teikoku Chemical Industry Co Ltd, Teikoku Hormone Manufacturing Co Ltd filed Critical Teikoku Chemical Industry Co Ltd
Priority to JP8244075A priority Critical patent/JPS525794A/en
Publication of JPS525794A publication Critical patent/JPS525794A/en
Publication of JPS5323319B2 publication Critical patent/JPS5323319B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

PURPOSE: Colorless and high-purity title compounds, a remedy for gout, allopurinols, are prepared from N-alkylanilines, etc.
COPYRIGHT: (C)1977,JPO&Japio
JP8244075A 1975-07-03 1975-07-03 Preparation of 4-hydroxy-or 4,6-dihydroxy- 1h-pyrazolo-(3,4-d)pyrimidi ne Granted JPS525794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8244075A JPS525794A (en) 1975-07-03 1975-07-03 Preparation of 4-hydroxy-or 4,6-dihydroxy- 1h-pyrazolo-(3,4-d)pyrimidi ne

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8244075A JPS525794A (en) 1975-07-03 1975-07-03 Preparation of 4-hydroxy-or 4,6-dihydroxy- 1h-pyrazolo-(3,4-d)pyrimidi ne

Publications (2)

Publication Number Publication Date
JPS525794A true JPS525794A (en) 1977-01-17
JPS5323319B2 JPS5323319B2 (en) 1978-07-13

Family

ID=13774592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8244075A Granted JPS525794A (en) 1975-07-03 1975-07-03 Preparation of 4-hydroxy-or 4,6-dihydroxy- 1h-pyrazolo-(3,4-d)pyrimidi ne

Country Status (1)

Country Link
JP (1) JPS525794A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663326A (en) * 1985-04-04 1987-05-05 Warner-Lambert Company Pyrazolo[4,3-d]pyrimidine-5,7-(4H,6H)dione or -5-thione-7-one analogs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663326A (en) * 1985-04-04 1987-05-05 Warner-Lambert Company Pyrazolo[4,3-d]pyrimidine-5,7-(4H,6H)dione or -5-thione-7-one analogs

Also Published As

Publication number Publication date
JPS5323319B2 (en) 1978-07-13

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