CH506519A - Process for the preparation of new coumarins - Google Patents

Process for the preparation of new coumarins

Info

Publication number
CH506519A
CH506519A CH893369A CH893369A CH506519A CH 506519 A CH506519 A CH 506519A CH 893369 A CH893369 A CH 893369A CH 893369 A CH893369 A CH 893369A CH 506519 A CH506519 A CH 506519A
Authority
CH
Switzerland
Prior art keywords
preparation
coumarins
new
new coumarins
Prior art date
Application number
CH893369A
Other languages
French (fr)
Original Assignee
Dausse Lab
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
Priority claimed from FR159437A external-priority patent/FR94978E/en
Priority claimed from FR166054A external-priority patent/FR7790M/fr
Application filed by Dausse Lab filed Critical Dausse Lab
Publication of CH506519A publication Critical patent/CH506519A/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
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CH893369A 1968-06-14 1969-06-11 Process for the preparation of new coumarins CH506519A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR155331 1968-06-14
FR159437A FR94978E (en) 1968-06-14 1968-07-15 New coumarins and their preparation process.
FR166054A FR7790M (en) 1968-09-13 1968-09-13

Publications (1)

Publication Number Publication Date
CH506519A true CH506519A (en) 1971-04-30

Family

ID=27244846

Family Applications (1)

Application Number Title Priority Date Filing Date
CH893369A CH506519A (en) 1968-06-14 1969-06-11 Process for the preparation of new coumarins

Country Status (4)

Country Link
BE (1) BE734121A (en)
CH (1) CH506519A (en)
GB (1) GB1226896A (en)
NL (1) NL6909035A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323409A1 (en) * 1993-07-13 1995-01-19 Boehringer Mannheim Gmbh Use of coumarins and carbostyrils as PLA¶2¶ inhibitors, new coumarins and carbostyrils, processes for their preparation and pharmaceuticals
GB9810016D0 (en) * 1998-05-08 1998-07-08 Smithkline Beecham Plc Compounds
CN113367313A (en) * 2021-06-23 2021-09-10 安徽银丰药业股份有限公司 Low-bitter levo-menthol and preparation method thereof

Also Published As

Publication number Publication date
BE734121A (en) 1969-11-17
GB1226896A (en) 1971-03-31
DE1929839A1 (en) 1969-12-18
NL6909035A (en) 1969-12-16

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Legal Events

Date Code Title Description
PL Patent ceased