DK126856B - Analogous process for the preparation of chromene derivatives. - Google Patents

Analogous process for the preparation of chromene derivatives.

Info

Publication number
DK126856B
DK126856B DK158468AA DK158468A DK126856B DK 126856 B DK126856 B DK 126856B DK 158468A A DK158468A A DK 158468AA DK 158468 A DK158468 A DK 158468A DK 126856 B DK126856 B DK 126856B
Authority
DK
Denmark
Prior art keywords
preparation
analogous process
chromene derivatives
chromene
derivatives
Prior art date
Application number
DK158468AA
Other languages
Danish (da)
Inventor
William Raymond Thompson
Raj Kumar Razdan
Original Assignee
Beecham Group 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 Beecham Group Ltd filed Critical Beecham Group Ltd
Publication of DK126856B publication Critical patent/DK126856B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
    • A61K31/4433—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a six-membered ring with oxygen as a ring hetero atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DK158468AA 1967-04-14 1968-04-09 Analogous process for the preparation of chromene derivatives. DK126856B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63080867A 1967-04-14 1967-04-14

Publications (1)

Publication Number Publication Date
DK126856B true DK126856B (en) 1973-08-27

Family

ID=24528640

Family Applications (2)

Application Number Title Priority Date Filing Date
DK158468AA DK126856B (en) 1967-04-14 1968-04-09 Analogous process for the preparation of chromene derivatives.
DK108769AA DK127121B (en) 1967-04-14 1969-02-27 Coumarin compounds for use as intermediates for the preparation of chromene derivatives.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK108769AA DK127121B (en) 1967-04-14 1969-02-27 Coumarin compounds for use as intermediates for the preparation of chromene derivatives.

Country Status (8)

Country Link
AT (1) AT276395B (en)
CA (1) CA931956A (en)
DK (2) DK126856B (en)
ES (1) ES352696A1 (en)
FI (1) FI51101C (en)
IE (1) IE32014B1 (en)
NO (2) NO128711B (en)
SE (1) SE343300B (en)

Also Published As

Publication number Publication date
CA931956A (en) 1973-08-14
NO132431C (en) 1975-11-12
AT276395B (en) 1969-11-25
FI51101C (en) 1976-10-11
ES352696A1 (en) 1969-07-16
SE343300B (en) 1972-03-06
IE32014L (en) 1968-10-14
FI51101B (en) 1976-06-30
DK127121B (en) 1973-09-24
NO128711B (en) 1974-01-02
NO132431B (en) 1975-08-04
IE32014B1 (en) 1973-03-21

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