FR2187789A1 - 4-hydroxy-pyrazolo (3,4-d)-pyrimidine prepn - by dehalogenation of 4-hydroxy-6-halo cpd - Google Patents

4-hydroxy-pyrazolo (3,4-d)-pyrimidine prepn - by dehalogenation of 4-hydroxy-6-halo cpd

Info

Publication number
FR2187789A1
FR2187789A1 FR7320985A FR7320985A FR2187789A1 FR 2187789 A1 FR2187789 A1 FR 2187789A1 FR 7320985 A FR7320985 A FR 7320985A FR 7320985 A FR7320985 A FR 7320985A FR 2187789 A1 FR2187789 A1 FR 2187789A1
Authority
FR
France
Prior art keywords
hydroxy
dehalogenation
pyrazolo
pyrimidine
halo
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
FR7320985A
Other languages
French (fr)
Other versions
FR2187789B3 (en
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.)
Gerot Pharmazeutika GmbH
Original Assignee
Gerot Pharmazeutika GmbH
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 Gerot Pharmazeutika GmbH filed Critical Gerot Pharmazeutika GmbH
Publication of FR2187789A1 publication Critical patent/FR2187789A1/en
Application granted granted Critical
Publication of FR2187789B3 publication Critical patent/FR2187789B3/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Title cpd which is a purine antimetabolite and xanthinoxydase inhibitor used to treat gout is prepd. by dehalogenation of 4-hydroxy-6-halo-pyrazolo (3,4-d)-pyrimidine using Raney Ni or Al/C and hydrogen or a base metal e.g. Zn pref. with a lower carboxylic acid.
FR7320985A 1972-06-08 1973-06-08 4-hydroxy-pyrazolo (3,4-d)-pyrimidine prepn - by dehalogenation of 4-hydroxy-6-halo cpd Granted FR2187789A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT495772A AT330186B (en) 1972-06-08 1972-06-08 A PROCESS FOR THE PREPARATION OF 4-HYDROXY-PYRAZOLO- (3,4-D) -PYRIMIDINE OR OF ITS SALT OR. CHELATE

Publications (2)

Publication Number Publication Date
FR2187789A1 true FR2187789A1 (en) 1974-01-18
FR2187789B3 FR2187789B3 (en) 1976-05-28

Family

ID=3570309

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7320985A Granted FR2187789A1 (en) 1972-06-08 1973-06-08 4-hydroxy-pyrazolo (3,4-d)-pyrimidine prepn - by dehalogenation of 4-hydroxy-6-halo cpd

Country Status (10)

Country Link
JP (1) JPS4930389A (en)
AT (1) AT330186B (en)
AU (1) AU5669573A (en)
BE (1) BE800604A (en)
CA (1) CA1002949A (en)
DD (1) DD104300A5 (en)
DE (2) DE2315004A1 (en)
ES (1) ES411923A1 (en)
FR (1) FR2187789A1 (en)
NL (1) NL7307518A (en)

Also Published As

Publication number Publication date
FR2187789B3 (en) 1976-05-28
DE2315004A1 (en) 1973-12-20
AU5669573A (en) 1974-12-12
DD104300A5 (en) 1974-03-05
NL7307518A (en) 1973-12-11
DE2315003A1 (en) 1973-12-20
CA1002949A (en) 1977-01-04
ES411923A1 (en) 1976-01-01
JPS4930389A (en) 1974-03-18
AT330186B (en) 1976-06-25
BE800604A (en) 1973-12-07
ATA495772A (en) 1975-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse