DE2361761A1 - Verfahren zur herstellung neuer benzopyranverbindungen - Google Patents

Verfahren zur herstellung neuer benzopyranverbindungen

Info

Publication number
DE2361761A1
DE2361761A1 DE19732361761 DE2361761A DE2361761A1 DE 2361761 A1 DE2361761 A1 DE 2361761A1 DE 19732361761 DE19732361761 DE 19732361761 DE 2361761 A DE2361761 A DE 2361761A DE 2361761 A1 DE2361761 A1 DE 2361761A1
Authority
DE
Germany
Prior art keywords
carboxylic acid
benzopyran
compound
group
formula
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.)
Pending
Application number
DE19732361761
Other languages
German (de)
English (en)
Inventor
David Norman Hardern
Thomas Brian Lee
Alexander David Pratt
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.)
Fisons Ltd
Original Assignee
Fisons Ltd
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 Fisons Ltd filed Critical Fisons Ltd
Publication of DE2361761A1 publication Critical patent/DE2361761A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/24Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 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 in position 2
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/70Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
    • C07C45/71Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Pyrane Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE19732361761 1972-12-15 1973-12-12 Verfahren zur herstellung neuer benzopyranverbindungen Pending DE2361761A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5790372A GB1399647A (en) 1972-12-15 1972-12-15 Phenoxyalkoxy-chromone derivatives processes for their preparation and compositions containing them

Publications (1)

Publication Number Publication Date
DE2361761A1 true DE2361761A1 (de) 1974-07-04

Family

ID=10480322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732361761 Pending DE2361761A1 (de) 1972-12-15 1973-12-12 Verfahren zur herstellung neuer benzopyranverbindungen

Country Status (4)

Country Link
JP (1) JPS4994676A (enrdf_load_stackoverflow)
DE (1) DE2361761A1 (enrdf_load_stackoverflow)
FR (1) FR2210406B1 (enrdf_load_stackoverflow)
GB (1) GB1399647A (enrdf_load_stackoverflow)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3996E (fr) * 1903-04-04 1905-04-19 Hassemer E Nouveau dispositif pour le remuage des bouteilles de vins mousseux et de champagne
GB1144905A (en) * 1965-03-25 1969-03-12 Fisons Pharmaceuticals Ltd Substituted bis-(2-carboxy-chromonyl-oxy) derivatives and preparation and pharmaceutical compositions thereof
US3965122A (en) * 1970-12-30 1976-06-22 Fujisawa Pharmaceutical Co., Ltd. Chromone compounds and preparation thereof
GB1384530A (en) * 1971-07-29 1975-02-19 Fisons Ltd Chromone derivatives
BE794639A (en) * 1973-01-26 1973-05-16 Fisons Ltd Phenoxy-alkyloxy-4-oxo-4h-1-benzopyran-2-carboxylic - acids and-2-yl tetrazoles - anaphylactic slow reacting substance anta

Also Published As

Publication number Publication date
JPS4994676A (enrdf_load_stackoverflow) 1974-09-09
FR2210406A1 (enrdf_load_stackoverflow) 1974-07-12
GB1399647A (en) 1975-07-02
FR2210406B1 (enrdf_load_stackoverflow) 1978-01-13

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Legal Events

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OHJ Non-payment of the annual fee