CH381708A - Process for the preparation of 4-oxycoumarins - Google Patents

Process for the preparation of 4-oxycoumarins

Info

Publication number
CH381708A
CH381708A CH1372060A CH1372060A CH381708A CH 381708 A CH381708 A CH 381708A CH 1372060 A CH1372060 A CH 1372060A CH 1372060 A CH1372060 A CH 1372060A CH 381708 A CH381708 A CH 381708A
Authority
CH
Switzerland
Prior art keywords
oxycoumarins
preparation
Prior art date
Application number
CH1372060A
Other languages
German (de)
Inventor
Heinrich Dr Ritter
Erwin Dr Herrmann
Original Assignee
Cassella Farbwerke Mainkur Ag
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 Cassella Farbwerke Mainkur Ag filed Critical Cassella Farbwerke Mainkur Ag
Publication of CH381708A publication Critical patent/CH381708A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
CH1372060A 1959-12-10 1960-12-08 Process for the preparation of 4-oxycoumarins CH381708A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEC20324A DE1096915B (en) 1959-12-10 1959-12-10 Process for the preparation of 4-oxycoumarins

Publications (1)

Publication Number Publication Date
CH381708A true CH381708A (en) 1964-09-15

Family

ID=7016790

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1372060A CH381708A (en) 1959-12-10 1960-12-08 Process for the preparation of 4-oxycoumarins

Country Status (3)

Country Link
CH (1) CH381708A (en)
DE (1) DE1096915B (en)
GB (1) GB912768A (en)

Also Published As

Publication number Publication date
GB912768A (en) 1962-12-12
DE1096915B (en) 1961-01-12

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