CA952119A - Precursors of chromone derivatives - Google Patents

Precursors of chromone derivatives

Info

Publication number
CA952119A
CA952119A CA060,086A CA60086A CA952119A CA 952119 A CA952119 A CA 952119A CA 60086 A CA60086 A CA 60086A CA 952119 A CA952119 A CA 952119A
Authority
CA
Canada
Prior art keywords
precursors
chromone derivatives
chromone
derivatives
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
CA060,086A
Other languages
English (en)
Other versions
CA60086S (en
Inventor
Thomas B. Lee
Albert Chambers
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 Pharmaceuticals Ltd
Original Assignee
Fisons Pharmaceuticals 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 Pharmaceuticals Ltd filed Critical Fisons Pharmaceuticals Ltd
Application granted granted Critical
Publication of CA952119A publication Critical patent/CA952119A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic 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
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/24—Benzo[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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
CA060,086A 1968-08-22 1969-08-21 Precursors of chromone derivatives Expired CA952119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40159/68A GB1271364A (en) 1968-08-22 1968-08-22 Process for the production of chromones and intermediates therefor

Publications (1)

Publication Number Publication Date
CA952119A true CA952119A (en) 1974-07-30

Family

ID=10413477

Family Applications (1)

Application Number Title Priority Date Filing Date
CA060,086A Expired CA952119A (en) 1968-08-22 1969-08-21 Precursors of chromone derivatives

Country Status (7)

Country Link
JP (1) JPS4819313B1 (enrdf_load_stackoverflow)
CA (1) CA952119A (enrdf_load_stackoverflow)
CH (1) CH519452A (enrdf_load_stackoverflow)
GB (1) GB1271364A (enrdf_load_stackoverflow)
IL (1) IL32794A0 (enrdf_load_stackoverflow)
NL (1) NL6912820A (enrdf_load_stackoverflow)
SE (1) SE372940B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52116608A (en) * 1976-03-26 1977-09-30 Tobishima Construct Co Ltd Method that build compartment in building
JPS52118915A (en) * 1976-03-31 1977-10-05 Matsushita Electric Works Ltd Shed wind partition
JPS5499338U (enrdf_load_stackoverflow) * 1977-12-23 1979-07-13
JPS54130708U (enrdf_load_stackoverflow) * 1978-03-03 1979-09-11
JPS5570539U (enrdf_load_stackoverflow) * 1978-11-06 1980-05-15

Also Published As

Publication number Publication date
IL32794A0 (en) 1969-11-12
NL6912820A (enrdf_load_stackoverflow) 1970-02-24
SE372940B (enrdf_load_stackoverflow) 1975-01-20
CH519452A (fr) 1972-02-29
JPS4819313B1 (enrdf_load_stackoverflow) 1973-06-12
GB1271364A (en) 1972-04-19

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