CH346224A - Process for the preparation of alkylidene-bis-4-oxy-coumarins - Google Patents

Process for the preparation of alkylidene-bis-4-oxy-coumarins

Info

Publication number
CH346224A
CH346224A CH346224DA CH346224A CH 346224 A CH346224 A CH 346224A CH 346224D A CH346224D A CH 346224DA CH 346224 A CH346224 A CH 346224A
Authority
CH
Switzerland
Prior art keywords
coumarins
alkylidene
oxy
bis
preparation
Prior art date
Application number
Other languages
German (de)
Inventor
Karel Dr Fucik
Horicky Milos
Original Assignee
Spofa Spojene Farmaceuticke Z
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 Spofa Spojene Farmaceuticke Z filed Critical Spofa Spojene Farmaceuticke Z
Publication of CH346224A publication Critical patent/CH346224A/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
    • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
    • C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
    • C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
    • C07D311/48—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring with two such benzopyran radicals linked together by a carbon chain

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
CH346224D 1956-03-26 1956-04-05 Process for the preparation of alkylidene-bis-4-oxy-coumarins CH346224A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB934756A GB822181A (en) 1956-03-26 1956-03-26 Substituted coumarins and the preparation thereof

Publications (1)

Publication Number Publication Date
CH346224A true CH346224A (en) 1960-05-15

Family

ID=9870198

Family Applications (2)

Application Number Title Priority Date Filing Date
CH344734D CH344734A (en) 1956-03-26 1956-04-05 Process for the preparation of new anticoagulants
CH346224D CH346224A (en) 1956-03-26 1956-04-05 Process for the preparation of alkylidene-bis-4-oxy-coumarins

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH344734D CH344734A (en) 1956-03-26 1956-04-05 Process for the preparation of new anticoagulants

Country Status (5)

Country Link
BE (1) BE546501A (en)
CH (2) CH344734A (en)
FR (1) FR1164524A (en)
GB (1) GB822181A (en)
NL (2) NL95256C (en)

Also Published As

Publication number Publication date
NL89799C (en)
GB822181A (en) 1959-10-21
CH344734A (en) 1960-02-29
FR1164524A (en) 1958-10-10
NL95256C (en)
BE546501A (en)

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