PL335635A1 - Method of obtaining 5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7-h-pyrazole[4,3-d]-pyrimidyn-7-one - Google Patents

Method of obtaining 5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7-h-pyrazole[4,3-d]-pyrimidyn-7-one

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Publication number
PL335635A1
PL335635A1 PL33563599A PL33563599A PL335635A1 PL 335635 A1 PL335635 A1 PL 335635A1 PL 33563599 A PL33563599 A PL 33563599A PL 33563599 A PL33563599 A PL 33563599A PL 335635 A1 PL335635 A1 PL 335635A1
Authority
PL
Poland
Prior art keywords
pyrimidyn
ylsulphonyl
methylpiperazin
pyrazole
dihydro
Prior art date
Application number
PL33563599A
Other versions
PL195421B1 (en
Inventor
Osman Achmatowicz
Roman Balicki
Urszula Chmielowiec
Alicja Zaworska
Wieslaw Szelejewski
Stanislaw Magielka
Anna Glowacka
Maria Wysoczynska
Jadwiga Dzikowska
Leszek Bober
Justyna Landsberg
Cezariusz Falkowski
Zdzislaw Roznerski
Barbara Marczak
Arnold Kempa
Original Assignee
Inst Farmaceutyczny
Zaklady Farm Polpharma Sa
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 Inst Farmaceutyczny, Zaklady Farm Polpharma Sa filed Critical Inst Farmaceutyczny
Priority to PL335635A priority Critical patent/PL195421B1/en
Priority to AU75631/00A priority patent/AU7563100A/en
Priority to PCT/PL2000/000065 priority patent/WO2001022918A2/en
Publication of PL335635A1 publication Critical patent/PL335635A1/en
Publication of PL195421B1 publication Critical patent/PL195421B1/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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Plural Heterocyclic Compounds (AREA)
PL335635A 1999-09-27 1999-09-27 Method of obtaining 5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7-h-pyrazole[4,3-d]-pyrimidyn-7-one PL195421B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PL335635A PL195421B1 (en) 1999-09-27 1999-09-27 Method of obtaining 5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7-h-pyrazole[4,3-d]-pyrimidyn-7-one
AU75631/00A AU7563100A (en) 1999-09-27 2000-09-26 Method of preparation of sildenafil
PCT/PL2000/000065 WO2001022918A2 (en) 1999-09-27 2000-09-26 Method of preparation of sildenafil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL335635A PL195421B1 (en) 1999-09-27 1999-09-27 Method of obtaining 5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7-h-pyrazole[4,3-d]-pyrimidyn-7-one

Publications (2)

Publication Number Publication Date
PL335635A1 true PL335635A1 (en) 2001-04-09
PL195421B1 PL195421B1 (en) 2007-09-28

Family

ID=20075157

Family Applications (1)

Application Number Title Priority Date Filing Date
PL335635A PL195421B1 (en) 1999-09-27 1999-09-27 Method of obtaining 5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7-h-pyrazole[4,3-d]-pyrimidyn-7-one

Country Status (3)

Country Link
AU (1) AU7563100A (en)
PL (1) PL195421B1 (en)
WO (1) WO2001022918A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6730786B2 (en) * 2000-06-22 2004-05-04 Pfizer Inc Process for the preparation of pyrazolopyrimidinones

Also Published As

Publication number Publication date
WO2001022918A2 (en) 2001-04-05
AU7563100A (en) 2001-04-30
PL195421B1 (en) 2007-09-28

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