CH305343A - Process for the preparation of 3,3'-bis (4-hydroxy-coumarinyl-3) -acetone. - Google Patents

Process for the preparation of 3,3'-bis (4-hydroxy-coumarinyl-3) -acetone.

Info

Publication number
CH305343A
CH305343A CH305343DA CH305343A CH 305343 A CH305343 A CH 305343A CH 305343D A CH305343D A CH 305343DA CH 305343 A CH305343 A CH 305343A
Authority
CH
Switzerland
Prior art keywords
coumarinyl
acetone
bis
hydroxy
preparation
Prior art date
Application number
Other languages
German (de)
Inventor
Nationalunternehmen Spof Werke
Original Assignee
Spofa Vereinigte Pharma Werke
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 Vereinigte Pharma Werke filed Critical Spofa Vereinigte Pharma Werke
Publication of CH305343A publication Critical patent/CH305343A/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)
  • Pyrane Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
CH305343D 1950-11-13 1951-10-31 Process for the preparation of 3,3'-bis (4-hydroxy-coumarinyl-3) -acetone. CH305343A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS305343X 1950-11-13
CH280975T 1951-10-31

Publications (1)

Publication Number Publication Date
CH305343A true CH305343A (en) 1955-02-15

Family

ID=25732045

Family Applications (1)

Application Number Title Priority Date Filing Date
CH305343D CH305343A (en) 1950-11-13 1951-10-31 Process for the preparation of 3,3'-bis (4-hydroxy-coumarinyl-3) -acetone.

Country Status (4)

Country Link
BE (1) BE507034A (en)
CH (1) CH305343A (en)
FR (1) FR74005E (en)
GB (1) GB707668A (en)

Also Published As

Publication number Publication date
FR74005E (en) 1961-03-08
GB707668A (en) 1954-04-21
BE507034A (en)

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