CH622252A5 - Process for the preparation of new 1-nitrophenyl-1H,3H-quinazoline-2,4-diones - Google Patents

Process for the preparation of new 1-nitrophenyl-1H,3H-quinazoline-2,4-diones Download PDF

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Publication number
CH622252A5
CH622252A5 CH1655074A CH1655074A CH622252A5 CH 622252 A5 CH622252 A5 CH 622252A5 CH 1655074 A CH1655074 A CH 1655074A CH 1655074 A CH1655074 A CH 1655074A CH 622252 A5 CH622252 A5 CH 622252A5
Authority
CH
Switzerland
Prior art keywords
sep
residue
group
reaction
nitrophenyl
Prior art date
Application number
CH1655074A
Other languages
English (en)
French (fr)
Inventor
Kanji Noda
Akira Nakagawa
Terumi Hachiya
Hiroyuki Ide
Original Assignee
Hisamitsu Pharmaceutical Co
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 Hisamitsu Pharmaceutical Co filed Critical Hisamitsu Pharmaceutical Co
Publication of CH622252A5 publication Critical patent/CH622252A5/fr

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D401/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D239/00Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/70Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
    • C07D239/72Quinazolines; Hydrogenated quinazolines
    • C07D239/95Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in positions 2 and 4
    • C07D239/96Two oxygen atoms
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/517Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D487/00Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02Heterocyclic 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
    • C07D487/04Ortho-condensed systems

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH1655074A 1973-12-14 1974-12-12 Process for the preparation of new 1-nitrophenyl-1H,3H-quinazoline-2,4-diones CH622252A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14055673A JPS5629666B2 (enrdf_load_stackoverflow) 1973-12-14 1973-12-14

Publications (1)

Publication Number Publication Date
CH622252A5 true CH622252A5 (en) 1981-03-31

Family

ID=15271414

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1655074A CH622252A5 (en) 1973-12-14 1974-12-12 Process for the preparation of new 1-nitrophenyl-1H,3H-quinazoline-2,4-diones

Country Status (4)

Country Link
JP (1) JPS5629666B2 (enrdf_load_stackoverflow)
CA (1) CA1030145A (enrdf_load_stackoverflow)
CH (1) CH622252A5 (enrdf_load_stackoverflow)
SE (1) SE413666B (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517674B2 (enrdf_load_stackoverflow) * 1971-10-07 1976-03-10

Also Published As

Publication number Publication date
CA1030145A (en) 1978-04-25
SE413666B (sv) 1980-06-16
JPS5093985A (enrdf_load_stackoverflow) 1975-07-26
JPS5629666B2 (enrdf_load_stackoverflow) 1981-07-09
SE7415658L (enrdf_load_stackoverflow) 1975-06-16

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Date Code Title Description
PUE Assignment

Owner name: TROPONWERKE GMBH & CO. KG

PL Patent ceased
PL Patent ceased