SE7705849L - PROCEDURE FOR THE PREPARATION OF BENZOPYRANE DERIVATIVES - Google Patents

PROCEDURE FOR THE PREPARATION OF BENZOPYRANE DERIVATIVES

Info

Publication number
SE7705849L
SE7705849L SE7705849A SE7705849A SE7705849L SE 7705849 L SE7705849 L SE 7705849L SE 7705849 A SE7705849 A SE 7705849A SE 7705849 A SE7705849 A SE 7705849A SE 7705849 L SE7705849 L SE 7705849L
Authority
SE
Sweden
Prior art keywords
procedure
preparation
benzopyrane derivatives
benzopyrane
derivatives
Prior art date
Application number
SE7705849A
Other languages
Swedish (sv)
Inventor
H Cairns
D N Hardern
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 SE7705849L publication Critical patent/SE7705849L/en

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)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SE7705849A 1976-05-19 1977-05-17 PROCEDURE FOR THE PREPARATION OF BENZOPYRANE DERIVATIVES SE7705849L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2057176 1976-05-19

Publications (1)

Publication Number Publication Date
SE7705849L true SE7705849L (en) 1977-11-20

Family

ID=10148114

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7705849A SE7705849L (en) 1976-05-19 1977-05-17 PROCEDURE FOR THE PREPARATION OF BENZOPYRANE DERIVATIVES

Country Status (6)

Country Link
JP (1) JPS52142073A (en)
DK (1) DK208877A (en)
FI (1) FI771545A (en)
NO (1) NO771722L (en)
PT (1) PT66569B (en)
SE (1) SE7705849L (en)

Also Published As

Publication number Publication date
PT66569B (en) 1979-04-13
PT66569A (en) 1977-06-01
FI771545A (en) 1977-11-20
NO771722L (en) 1977-11-22
JPS52142073A (en) 1977-11-26
DK208877A (en) 1977-11-20

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