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CH236350A - Method for preparing a coumarin derivative. - Google Patents

Method for preparing a coumarin derivative.

Info

Publication number
CH236350A
CH236350A CH236350DA CH236350A CH 236350 A CH236350 A CH 236350A CH 236350D A CH236350D A CH 236350DA CH 236350 A CH236350 A CH 236350A
Authority
CH
Switzerland
Prior art keywords
preparing
coumarin derivative
coumarin
derivative
Prior art date
Application number
Other languages
German (de)
Inventor
F Hoffmann- Aktiengesellschaft
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of CH236350A publication Critical patent/CH236350A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH236350D 1942-09-14 1942-09-14 Method for preparing a coumarin derivative. CH236350A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH568858X 1942-09-14

Publications (1)

Publication Number Publication Date
CH236350A true CH236350A (en) 1945-01-31

Family

ID=4520784

Family Applications (2)

Application Number Title Priority Date Filing Date
CH231151D CH231151A (en) 1942-09-14 1942-09-14 Method for preparing a coumarin derivative.
CH236350D CH236350A (en) 1942-09-14 1942-09-14 Method for preparing a coumarin derivative.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH231151D CH231151A (en) 1942-09-14 1942-09-14 Method for preparing a coumarin derivative.

Country Status (2)

Country Link
CH (2) CH231151A (en)
GB (1) GB568858A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL189446B (en) * 1953-07-23 Chiyoda Chem Eng Construct Co PROCEDURE FOR PREPARING A CATALYST FOR THE HYDROGENATING TREATMENT OF HYDROGEN HEAVY CARBON OIL CONTAINING ASPHALTES AND THE APPLICATION OF THAT CATALYST.
US2806858A (en) * 1953-07-23 1957-09-17 Spofa Narodni Podnik New anticoagulants
BE535242A (en) * 1954-04-27
US2743283A (en) * 1954-08-23 1956-04-24 Norddeutsch Affinerie Novel 3-substituted 4-hydroxycoumarins and their process of preparation

Also Published As

Publication number Publication date
GB568858A (en) 1945-04-24
CH231151A (en) 1944-02-29

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