AT327914B - PROCESS FOR THE PREPARATION OF 4-HYDROXY-PYRAZOLO (3,4-D) PYRIMIDINE - Google Patents

PROCESS FOR THE PREPARATION OF 4-HYDROXY-PYRAZOLO (3,4-D) PYRIMIDINE

Info

Publication number
AT327914B
AT327914B AT132173A AT132173A AT327914B AT 327914 B AT327914 B AT 327914B AT 132173 A AT132173 A AT 132173A AT 132173 A AT132173 A AT 132173A AT 327914 B AT327914 B AT 327914B
Authority
AT
Austria
Prior art keywords
pyrazolo
pyrimidine
hydroxy
preparation
Prior art date
Application number
AT132173A
Other languages
German (de)
Other versions
ATA132173A (en
Inventor
Ute Wendker
Ekkehard Dr Scheiffele
Original Assignee
Henning Berlin 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
Priority claimed from DE19722224382 external-priority patent/DE2224382C3/en
Application filed by Henning Berlin Gmbh filed Critical Henning Berlin Gmbh
Publication of ATA132173A publication Critical patent/ATA132173A/en
Application granted granted Critical
Publication of AT327914B publication Critical patent/AT327914B/en

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)
AT132173A 1972-05-18 1973-02-14 PROCESS FOR THE PREPARATION OF 4-HYDROXY-PYRAZOLO (3,4-D) PYRIMIDINE AT327914B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722224382 DE2224382C3 (en) 1972-05-18 Process for the preparation of 4-hydroxy-pyrazolo square bracket to 3,4-square bracket to pyrimidine

Publications (2)

Publication Number Publication Date
ATA132173A ATA132173A (en) 1975-05-15
AT327914B true AT327914B (en) 1976-02-25

Family

ID=5845298

Family Applications (1)

Application Number Title Priority Date Filing Date
AT132173A AT327914B (en) 1972-05-18 1973-02-14 PROCESS FOR THE PREPARATION OF 4-HYDROXY-PYRAZOLO (3,4-D) PYRIMIDINE

Country Status (1)

Country Link
AT (1) AT327914B (en)

Also Published As

Publication number Publication date
DE2224382B2 (en) 1976-09-23
DE2224382A1 (en) 1973-12-06
ATA132173A (en) 1975-05-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties