CA1026761A - Process for the production of hydroxy substituted bis-(4-oxo-4h-benzopyran-2-derivatives) - Google Patents

Process for the production of hydroxy substituted bis-(4-oxo-4h-benzopyran-2-derivatives)

Info

Publication number
CA1026761A
CA1026761A CA172,340A CA172340A CA1026761A CA 1026761 A CA1026761 A CA 1026761A CA 172340 A CA172340 A CA 172340A CA 1026761 A CA1026761 A CA 1026761A
Authority
CA
Canada
Prior art keywords
benzopyran
oxo
derivatives
production
hydroxy substituted
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
CA172,340A
Other languages
French (fr)
Inventor
Peter Williams
Edward N. Wall
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
Application granted granted Critical
Publication of CA1026761A publication Critical patent/CA1026761A/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)
  • Plural Heterocyclic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA172,340A 1972-05-25 1973-05-24 Process for the production of hydroxy substituted bis-(4-oxo-4h-benzopyran-2-derivatives) Expired CA1026761A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB2465772 1972-05-25
GB2623872 1972-06-06
GB2848072 1972-06-17
GB659373 1973-02-09
GB690073*[A GB1428676A (en) 1972-05-25 1973-02-13 Process for the production of bis-chromone derivatives

Publications (1)

Publication Number Publication Date
CA1026761A true CA1026761A (en) 1978-02-21

Family

ID=27515805

Family Applications (1)

Application Number Title Priority Date Filing Date
CA172,340A Expired CA1026761A (en) 1972-05-25 1973-05-24 Process for the production of hydroxy substituted bis-(4-oxo-4h-benzopyran-2-derivatives)

Country Status (10)

Country Link
JP (1) JPS5753354B2 (en)
AU (1) AU476254B2 (en)
CA (1) CA1026761A (en)
CH (2) CH585217A5 (en)
DE (1) DE2326227A1 (en)
DK (1) DK138323B (en)
FR (1) FR2185409B1 (en)
GB (1) GB1428676A (en)
NL (1) NL7307253A (en)
SE (2) SE399262B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5659051A (en) * 1993-07-13 1997-08-19 Sumitomo Chemical Company, Limited Process of producing 2-cyano-4-oxo-4H-benzopyran compounds
WO2005063732A1 (en) * 2003-12-23 2005-07-14 Microbia, Inc. Compounds and methods for the treatment of asthma

Also Published As

Publication number Publication date
DE2326227A1 (en) 1974-02-14
AU5611473A (en) 1974-11-28
JPS5753354B2 (en) 1982-11-12
SE7605592L (en) 1976-05-17
CH585217A5 (en) 1977-02-28
GB1428676A (en) 1976-03-17
JPS4948670A (en) 1974-05-11
SE425737B (en) 1982-11-01
NL7307253A (en) 1973-11-27
FR2185409B1 (en) 1977-01-28
SE399262B (en) 1978-02-06
DK138323C (en) 1979-01-29
FR2185409A1 (en) 1974-01-04
CH583726A5 (en) 1977-01-14
DK138323B (en) 1978-08-14
AU476254B2 (en) 1976-09-16

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