SU867308A3 - Способ получени производных хромона или их солей - Google Patents

Способ получени производных хромона или их солей Download PDF

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Publication number
SU867308A3
SU867308A3 SU772464301A SU2464301A SU867308A3 SU 867308 A3 SU867308 A3 SU 867308A3 SU 772464301 A SU772464301 A SU 772464301A SU 2464301 A SU2464301 A SU 2464301A SU 867308 A3 SU867308 A3 SU 867308A3
Authority
SU
USSR - Soviet Union
Prior art keywords
ethyl
tetrazol
acid
mixture
ethyl acetate
Prior art date
Application number
SU772464301A
Other languages
English (en)
Russian (ru)
Inventor
Нохара Акира
Като Такеси
Каваразаки Тадао
Сава Еичи
Original Assignee
Такеда Кемикал Индастриз,Лтд (Фирма)
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 Такеда Кемикал Индастриз,Лтд (Фирма) filed Critical Такеда Кемикал Индастриз,Лтд (Фирма)
Application granted granted Critical
Publication of SU867308A3 publication Critical patent/SU867308A3/ru

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D257/00Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04Five-membered rings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00Drugs for immunological or allergic disorders
    • A61P37/08Antiallergic agents

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  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Immunology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
SU772464301A 1976-03-26 1977-03-25 Способ получени производных хромона или их солей SU867308A3 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3401476A JPS52116469A (en) 1976-03-26 1976-03-26 Synthesis of chromone derivatives

Publications (1)

Publication Number Publication Date
SU867308A3 true SU867308A3 (ru) 1981-09-23

Family

ID=12402540

Family Applications (1)

Application Number Title Priority Date Filing Date
SU772464301A SU867308A3 (ru) 1976-03-26 1977-03-25 Способ получени производных хромона или их солей

Country Status (13)

Country Link
JP (1) JPS52116469A (de)
AT (1) AT351023B (de)
BE (1) BE852921A (de)
DE (1) DE2712727A1 (de)
DK (1) DK132577A (de)
ES (1) ES457173A1 (de)
FI (1) FI770953A7 (de)
FR (1) FR2345437A1 (de)
GB (1) GB1549094A (de)
NL (1) NL7703173A (de)
NO (1) NO770914L (de)
SE (1) SE7703394L (de)
SU (1) SU867308A3 (de)

Also Published As

Publication number Publication date
FR2345437A1 (fr) 1977-10-21
NO770914L (no) 1977-09-27
BE852921A (fr) 1977-09-26
GB1549094A (en) 1979-08-01
ATA210777A (de) 1978-12-15
AT351023B (de) 1979-07-10
FI770953A7 (de) 1977-09-27
JPS52116469A (en) 1977-09-29
DK132577A (da) 1977-09-27
ES457173A1 (es) 1978-04-16
FR2345437B1 (de) 1980-02-01
NL7703173A (nl) 1977-09-28
DE2712727A1 (de) 1977-09-29
SE7703394L (sv) 1977-09-27

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