ES457173A1 - Un metodo para producir un derivado de cromona. - Google Patents

Un metodo para producir un derivado de cromona.

Info

Publication number
ES457173A1
ES457173A1 ES457173A ES457173A ES457173A1 ES 457173 A1 ES457173 A1 ES 457173A1 ES 457173 A ES457173 A ES 457173A ES 457173 A ES457173 A ES 457173A ES 457173 A1 ES457173 A1 ES 457173A1
Authority
ES
Spain
Prior art keywords
oxyphenacyltetrazoles
production
chromone derivatives
derivative
chromone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES457173A
Other languages
English (en)
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AKIRA NOHARA TAKESHI KATO TADA
Original Assignee
AKIRA NOHARA TAKESHI KATO TADA
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 AKIRA NOHARA TAKESHI KATO TADA filed Critical AKIRA NOHARA TAKESHI KATO TADA
Publication of ES457173A1 publication Critical patent/ES457173A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04—Five-membered rings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/08—Antiallergic agents

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Immunology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Plural Heterocyclic Compounds (AREA)
ES457173A 1976-03-26 1977-03-24 Un metodo para producir un derivado de cromona. Expired ES457173A1 (es)

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
ES457173A1 true ES457173A1 (es) 1978-04-16

Family

ID=12402540

Family Applications (1)

Application Number Title Priority Date Filing Date
ES457173A Expired ES457173A1 (es) 1976-03-26 1977-03-24 Un metodo para producir un derivado de cromona.

Country Status (13)

Country Link
JP (1) JPS52116469A (hu)
AT (1) AT351023B (hu)
BE (1) BE852921A (hu)
DE (1) DE2712727A1 (hu)
DK (1) DK132577A (hu)
ES (1) ES457173A1 (hu)
FI (1) FI770953A (hu)
FR (1) FR2345437A1 (hu)
GB (1) GB1549094A (hu)
NL (1) NL7703173A (hu)
NO (1) NO770914L (hu)
SE (1) SE7703394L (hu)
SU (1) SU867308A3 (hu)

Also Published As

Publication number Publication date
JPS52116469A (en) 1977-09-29
SE7703394L (sv) 1977-09-27
DK132577A (da) 1977-09-27
DE2712727A1 (de) 1977-09-29
FR2345437A1 (fr) 1977-10-21
SU867308A3 (ru) 1981-09-23
FR2345437B1 (hu) 1980-02-01
ATA210777A (de) 1978-12-15
AT351023B (de) 1979-07-10
NL7703173A (nl) 1977-09-28
NO770914L (no) 1977-09-27
GB1549094A (en) 1979-08-01
FI770953A (hu) 1977-09-27
BE852921A (fr) 1977-09-26

Similar Documents

Publication Publication Date Title
ES460911A1 (es) Un procedimiento para la obtencion de una resina de hidrato de carbono-fenol.
GB1526245A (en) Manufacture of concentrated aqueous solutions of formaldehyde
ES457173A1 (es) Un metodo para producir un derivado de cromona.
ES8701711A1 (es) Procedimiento para preparar 2-alquil-1,4-butanodial
JPS52125132A (en) Process for orthooalkylating phenol by using aldehyde and hydrogen in the presence of copperrchromium catalyst
GB1292405A (en) Purification of ditrimethylolpropane
GB1374356A (en) Polyurethane elastomers and production thereof
IE36682B1 (en) A method of activating silver catalysts
ES460386A1 (es) Un procedimiento para la preparacion de un compuesto de 6a, 10a -cls-hexahidrodibenzopiranona.
IE791149L (en) Preparation of 2-isopropylaminopyrimidine
ES447636A1 (es) Metodo de producir 3,5-deterbutil-4-hidroxibenzaldeludo.
JPS549262A (en) Thienylation of allyl alcohols
GB1323017A (en) Production of methacrolein
GB1475973A (en) Production of 2,2-methylenebis 4,6-dialkylphenols
JPS52111587A (en) Preparation of 6-aminopenam carboxylic acid-1-oxide or its derivatives
GB1471001A (en) Process for producing methacrolein
JPS5251313A (en) Process for preparation of diacetoxybutene
JPS531411A (en) Automatic transmitter
JPS52128317A (en) Preparation of methanetetracarboxylic acid salts
JPS53149293A (en) Production of phenolic resin capable of plasticization
JPS5412306A (en) Preparation of 3-(beta-hydroxyethyl)butenols
JPS535110A (en) Preparation of adipic acid
JPS51120275A (en) Humidity transducer and its production method
JPS53119292A (en) Production of gas purification catalyst
JPS5229483A (en) Catalyst for producing acrylic acid