CH548414A - PROCESS FOR PREPARING HETEROCYCLICAL CHEMICAL COMPOUNDS. - Google Patents

PROCESS FOR PREPARING HETEROCYCLICAL CHEMICAL COMPOUNDS.

Info

Publication number
CH548414A
CH548414A CH1091272A CH1091272A CH548414A CH 548414 A CH548414 A CH 548414A CH 1091272 A CH1091272 A CH 1091272A CH 1091272 A CH1091272 A CH 1091272A CH 548414 A CH548414 A CH 548414A
Authority
CH
Switzerland
Prior art keywords
heterocyclical
preparing
chemical compounds
compounds
chemical
Prior art date
Application number
CH1091272A
Other languages
French (fr)
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 CH548414A publication Critical patent/CH548414A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/04—Ortho-condensed systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • 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
    • 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

  • 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)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
CH1091272A 1971-07-23 1972-07-21 PROCESS FOR PREPARING HETEROCYCLICAL CHEMICAL COMPOUNDS. CH548414A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB3457471A GB1389827A (en) 1971-07-23 1971-07-23 Tetrazolyl benzopyrans
GB3457571 1971-07-23
GB5081671 1971-11-02

Publications (1)

Publication Number Publication Date
CH548414A true CH548414A (en) 1974-04-30

Family

ID=27259221

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1091272A CH548414A (en) 1971-07-23 1972-07-21 PROCESS FOR PREPARING HETEROCYCLICAL CHEMICAL COMPOUNDS.

Country Status (6)

Country Link
JP (1) JPS5619348B2 (en)
CH (1) CH548414A (en)
DE (1) DE2235572A1 (en)
FR (1) FR2147087B1 (en)
GB (1) GB1389827A (en)
NL (1) NL7210105A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5830651U (en) * 1981-08-21 1983-02-28 株式会社田村電機製作所 Roll paper remaining amount detection device
EP0150966B1 (en) * 1984-01-26 1989-07-12 FISONS plc Benzopyran derivatives, compositions containing them and processes for their preparation
GB8402577D0 (en) * 1984-02-01 1984-03-07 Fisons Plc Nitrogen heterocyclic compounds
JPS6369753A (en) * 1986-09-11 1988-03-29 富士電気化学株式会社 Ferrite composition
JPH01169561U (en) * 1988-05-18 1989-11-30
GB9110636D0 (en) * 1991-05-16 1991-07-03 Glaxo Group Ltd Chemical compounds
JPH0715346U (en) * 1993-08-24 1995-03-14 カシオ計算機株式会社 Remaining amount indicator for recording paper

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE759292A (en) * 1969-11-27 1971-05-24 Allen & Hanburys Ltd XANTHONE DERIVATIVES, THEIR PREPARATION AND THEIR USE

Also Published As

Publication number Publication date
NL7210105A (en) 1973-01-25
DE2235572A1 (en) 1973-02-08
GB1389827A (en) 1975-04-09
FR2147087B1 (en) 1976-05-14
JPS5619348B2 (en) 1981-05-07
FR2147087A1 (en) 1973-03-09
JPS4832872A (en) 1973-05-02

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Legal Events

Date Code Title Description
PL Patent ceased