GB1410470A - Process fot the production of 4-oxo-benzopyran derivatives - Google Patents

Process fot the production of 4-oxo-benzopyran derivatives

Info

Publication number
GB1410470A
GB1410470A GB5591871A GB5591871A GB1410470A GB 1410470 A GB1410470 A GB 1410470A GB 5591871 A GB5591871 A GB 5591871A GB 5591871 A GB5591871 A GB 5591871A GB 1410470 A GB1410470 A GB 1410470A
Authority
GB
United Kingdom
Prior art keywords
represent
formula
group
except
adjacent pairs
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
GB5591871A
Other languages
English (en)
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
Priority to GB5591871A priority Critical patent/GB1410470A/en
Priority to CH1755972A priority patent/CH559201A5/xx
Priority to DK603672A priority patent/DK146653C/da
Priority to SE1572172A priority patent/SE394676B/xx
Priority to NL7216319A priority patent/NL7216319A/xx
Priority to JP11994472A priority patent/JPS5636192B2/ja
Priority to CA158,038A priority patent/CA990301A/en
Publication of GB1410470A publication Critical patent/GB1410470A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04Ortho-condensed systems
    • 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
    • C07C45/673Preparation 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 change of size of the carbon skeleton
    • 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
    • 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
    • C07D311/26Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/28Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
    • C07D311/30Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only not hydrogenated in the hetero ring, e.g. flavones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB5591871A 1971-12-02 1971-12-02 Process fot the production of 4-oxo-benzopyran derivatives Expired GB1410470A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB5591871A GB1410470A (en) 1971-12-02 1971-12-02 Process fot the production of 4-oxo-benzopyran derivatives
CH1755972A CH559201A5 (https=) 1971-12-02 1972-12-01
DK603672A DK146653C (da) 1971-12-02 1972-12-01 Fremgangsmaade til fremstilling af 1-benzopyran-4-oner
SE1572172A SE394676B (sv) 1971-12-02 1972-12-01 Forfarande for framstellning av kromonderivat
NL7216319A NL7216319A (https=) 1971-12-02 1972-12-01
JP11994472A JPS5636192B2 (https=) 1971-12-02 1972-12-01
CA158,038A CA990301A (en) 1971-12-02 1972-12-04 Process for the production of pharmaceutically active 4-oxo-4h-1-benzopyrans

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5591871A GB1410470A (en) 1971-12-02 1971-12-02 Process fot the production of 4-oxo-benzopyran derivatives

Publications (1)

Publication Number Publication Date
GB1410470A true GB1410470A (en) 1975-10-15

Family

ID=10475217

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5591871A Expired GB1410470A (en) 1971-12-02 1971-12-02 Process fot the production of 4-oxo-benzopyran derivatives

Country Status (7)

Country Link
JP (1) JPS5636192B2 (https=)
CA (1) CA990301A (https=)
CH (1) CH559201A5 (https=)
DK (1) DK146653C (https=)
GB (1) GB1410470A (https=)
NL (1) NL7216319A (https=)
SE (1) SE394676B (https=)

Also Published As

Publication number Publication date
DK146653B (da) 1983-11-28
JPS5636192B2 (https=) 1981-08-22
DK146653C (da) 1984-05-07
NL7216319A (https=) 1973-06-05
CA990301A (en) 1976-06-01
JPS4862766A (https=) 1973-09-01
CH559201A5 (https=) 1975-02-28
SE394676B (sv) 1977-07-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee