[go: up one dir, main page]

DK131938B - Process for the preparation of 4-hydroxy-1H-pyrazolo [3,4-d] pyrimidine. - Google Patents

Process for the preparation of 4-hydroxy-1H-pyrazolo [3,4-d] pyrimidine.

Info

Publication number
DK131938B
DK131938B DK100270A DK100270A DK131938B DK 131938 B DK131938 B DK 131938B DK 100270 A DK100270 A DK 100270A DK 100270 A DK100270 A DK 100270A DK 131938 B DK131938 B DK 131938B
Authority
DK
Denmark
Prior art keywords
pyrazolo
pyrimidine
hydroxy
preparation
Prior art date
Application number
DK100270A
Other languages
Danish (da)
Other versions
DK131938C (en
Inventor
J Korosi
A Lay
L Pallos
G Szabo
Original Assignee
Egyt Gyogyszervegyeszeti Gyar
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 Egyt Gyogyszervegyeszeti Gyar filed Critical Egyt Gyogyszervegyeszeti Gyar
Publication of DK131938B publication Critical patent/DK131938B/en
Application granted granted Critical
Publication of DK131938C publication Critical patent/DK131938C/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DK100270A 1969-02-28 1970-02-27 PROCEDURE FOR THE PREPARATION OF 4-HYDROXY-1H-PYRAZOLO (3,4-D) PYRIMIDINE DK131938C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUEE001630 1969-02-28

Publications (2)

Publication Number Publication Date
DK131938B true DK131938B (en) 1975-09-29
DK131938C DK131938C (en) 1976-03-01

Family

ID=10995293

Family Applications (1)

Application Number Title Priority Date Filing Date
DK100270A DK131938C (en) 1969-02-28 1970-02-27 PROCEDURE FOR THE PREPARATION OF 4-HYDROXY-1H-PYRAZOLO (3,4-D) PYRIMIDINE

Country Status (3)

Country Link
AT (1) AT299209B (en)
DK (1) DK131938C (en)
NL (1) NL7002761A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2538077C3 (en) * 1975-08-27 1981-05-27 Tad Pharmazeutisches Werk Gmbh, 2190 Cuxhaven Process for the preparation of 4-hydroxypyrazolo- (3,4-d) -pyrimidine

Also Published As

Publication number Publication date
NL7002761A (en) 1970-09-01
AT299209B (en) 1972-06-12
DK131938C (en) 1976-03-01

Similar Documents

Publication Publication Date Title
DK129844B (en) Analogous process for the preparation of thieno [3,2-d] pyrimidines.
DK128781B (en) Analogous process for the preparation of 2- (5-nitro-2-furyl) -thieno [3,2-d] pyrimidines.
DK128320B (en) Analogous process for the preparation of pyrazine derivatives.
DK138424B (en) Analogous process for the preparation of 5-oxopyrido (2,3-d) pyrimidine-6-carboxylic acid derivatives.
DK132498B (en) Analogous process for the preparation of thieno / 2,3-d / pyrimidine derivatives or isomers thereof.
DK130589B (en) Analogous process for the preparation of substituted 5-nitrofuryl-1H-pyrazole (3,4-d) -pyrimidin-4 (5H) -one derivatives.
DK137498B (en) Analogous process for the preparation of triazole pyrimidine derivatives.
DK138327B (en) Analogous process for the preparation of pyrido (1,2a) pyrimidine derivatives.
DK135534B (en) Process for the preparation of pyrasol- (3,4-d) -pyrimidines or salts thereof.
DK140638B (en) Analogous process for the preparation of s-triazolo (1,5-a) (1,4) benzodiazepine derivatives.
DK139030B (en) Process for the preparation of bicyclic pyrimidine derivatives.
DK138045B (en) Analogous process for the preparation of pyrido (2,3-d) pyrimidines.
DK126946B (en) Analogous process for the preparation of 6-morpholino-4-oxo-4,5-dihydro-isothiazolo [5,4-d] pyrimidine derivatives or salts thereof.
DK127854B (en) Analogous process for the preparation of 2- (5-nitro-2-furyl) -thieno [2,3-d] pyrimidines.
DK127421B (en) Process for the preparation of cardenolide-3 [2 ', 3'-dideoxyglycosides].
DK131938B (en) Process for the preparation of 4-hydroxy-1H-pyrazolo [3,4-d] pyrimidine.
DK126653B (en) Analogous process for the preparation of 2,6-dimorpholino-8-alkanolamino-pyrimido [5,4-d] pyrimidines.
BE760283A (en) PREPARATION OF MERCAPTO-4-PYRAZOLO (3,4-D) PYRIMIDINES
DK138119B (en) Process for the preparation of 4-mercapto-1H-pyrazolo (3,4-d) pyrimidine.
DK137536B (en) Analogous process for the preparation of derivatives of 6-methyl-2H-pyran-2,4 (3H) -dione.
DK134067B (en) Process for the preparation of 4,8-dihydroxy-2,6-dimercaptopyrimido [5,4-d] pyrimidine.
CH556350A (en) PROCESS FOR THE PREPARATION OF S-SUBSTITUTED 2-MERCAPTOPYRIDO (2,3-D) PYRIMIDINE-4 (3H) -ONES.
DK125248B (en) Analogous process for the preparation of 2,6-dimorpholino-8-alkanolamino-pyrimido [5,4-d] pyrimidines.
DK130979B (en) Process for the preparation of 2,6-bis- (diethanolamino) -4,8-dipiperidino-pyrimido [5,4-d] pyrimidine.
DK120706B (en) Process for the preparation of 2,4-diamino-5- (3 ', 4', 5'-trimethoxybenzyl) -pyrimidine.

Legal Events

Date Code Title Description
PUP Patent expired