BE790437A - Nouveaux derives de la 4-hydroxycoumarine, leur preparation et leur utilisation - Google Patents

Nouveaux derives de la 4-hydroxycoumarine, leur preparation et leur utilisation

Info

Publication number
BE790437A
BE790437A BE790437DA BE790437A BE 790437 A BE790437 A BE 790437A BE 790437D A BE790437D A BE 790437DA BE 790437 A BE790437 A BE 790437A
Authority
BE
Belgium
Prior art keywords
hydroxycoumarin
preparation
new derivatives
derivatives
new
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Realisations Scient En Abrege
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.)
Publication date
Publication of BE790437A publication Critical patent/BE790437A/xx

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/46—Friedel-Crafts reactions
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
    • C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE790437D 1971-10-22 Nouveaux derives de la 4-hydroxycoumarine, leur preparation et leur utilisation BE790437A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4911971 1971-10-22

Publications (1)

Publication Number Publication Date
BE790437A true BE790437A (fr) 1973-04-24

Family

ID=10451214

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790437D BE790437A (fr) 1971-10-22 Nouveaux derives de la 4-hydroxycoumarine, leur preparation et leur utilisation

Country Status (4)

Country Link
BE (1) BE790437A (cs)
DE (1) DE2251856C3 (cs)
FR (1) FR2157906B1 (cs)
GB (1) GB1347921A (cs)

Also Published As

Publication number Publication date
FR2157906B1 (cs) 1975-10-31
DE2251856A1 (de) 1973-04-26
GB1347921A (en) 1974-02-27
DE2251856C3 (de) 1975-06-19
DE2251856B2 (de) 1974-10-24
FR2157906A1 (cs) 1973-06-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SOC. D'ETUDES ET DE REALISATIONS SCIENTIFIQUES SE

Effective date: 19891031