BE810650A - Procede pour l'obtention de tetrahydroxy-5 - Google Patents

Procede pour l'obtention de tetrahydroxy-5

Info

Publication number
BE810650A
BE810650A BE2053405A BE2053405A BE810650A BE 810650 A BE810650 A BE 810650A BE 2053405 A BE2053405 A BE 2053405A BE 2053405 A BE2053405 A BE 2053405A BE 810650 A BE810650 A BE 810650A
Authority
BE
Belgium
Prior art keywords
tetrahydroxy
procedure
obtaining
obtaining tetrahydroxy
Prior art date
Application number
BE2053405A
Other languages
English (en)
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 filed Critical
Publication of BE810650A publication Critical patent/BE810650A/fr

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
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/40—Separation, e.g. from natural material; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Pyrane Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Compounds Of Unknown Constitution (AREA)
BE2053405A 1973-02-16 1974-02-06 Procede pour l'obtention de tetrahydroxy-5 BE810650A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7305599A FR2218109A1 (en) 1973-02-16 1973-02-16 Extraction of leucocyanidol - from plants using methyl-ethyl ketone as selective solvent

Publications (1)

Publication Number Publication Date
BE810650A true BE810650A (fr) 1974-05-29

Family

ID=9114961

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053405A BE810650A (fr) 1973-02-16 1974-02-06 Procede pour l'obtention de tetrahydroxy-5

Country Status (4)

Country Link
BE (1) BE810650A (fr)
DE (1) DE2407294C2 (fr)
ES (1) ES423063A1 (fr)
FR (1) FR2218109A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725447B1 (fr) * 1994-10-11 1996-12-27 Sanofi Sa Procede d'obtention d'oligomeres procyanidoliques
EP1502594A1 (fr) * 2003-07-31 2005-02-02 Pynogin GmbH Une composition pour réduire le risque des thromboses comprenant un mélange de proanthocyanidines et de sesquiterpenes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2092743A1 (en) * 1970-06-15 1972-01-28 Aquitaine Invest Pharma Complete extraction of total flavanol gomers from plats -peripheral - venous activity

Also Published As

Publication number Publication date
DE2407294C2 (de) 1983-09-22
DE2407294A1 (de) 1974-08-22
ES423063A1 (es) 1976-04-16
FR2218109A1 (en) 1974-09-13
FR2218109B1 (fr) 1976-08-13

Similar Documents

Publication Publication Date Title
BE821983A (fr) Procede pour la preparation d'hydroxycholesterines
RO70162A (fr) Procede pour l'obtention des derives de 7-alcoxy-5-methyle-isoflavone
BE813990A (fr) Procede pour la preparation de 3-methylmercaptopropionaldehyde
BE822990A (fr) Procede pour la preparation d'hexamethyltetraline
RO70511A (fr) Procede pour d'obtention des enduits
BE839140A (fr) Procede pour l'obtention de n-acyl-l-methionine
BE812305A (fr) Procede pour la preparation de cyclohexanedione-1
BE817761A (fr) Procede de preparation d'o-benzyltoluenes
BE813266A (fr) Procede pour l'obtention de alpha-bisabolol pur
BE810202A (fr) Procede pour l'obtention de d-penicillamine
BE816209A (fr) Procede d'obtention d'epsilon-caprolactame
BE786964A (fr) Procede pour l'obtention de d-penicillamine
BE811703A (fr) Procede de preparation d'isocyanato-triazines
RO72138A (fr) Procede pour l'obtention de masses basiques refractaires non-calcinees
BE816073A (fr) Procede pour la preparation de la 1-chloroanthraquinone
BE770523A (fr) Procede pour l'obtention d'hellebrine
BE820529A (fr) Procede d'obtention de cephalosporine c
BE810650A (fr) Procede pour l'obtention de tetrahydroxy-5
BE809494A (fr) Procede pour la preparation de 1,4-dioxanne
BE845017A (fr) Procede pour l'obtention d'alpha,alpha,alpha,alpha',alpha',-pentachloro-o-xylene
BE818295A (fr) Procede pour l'obtention de dialdehyde terephtalique
BE810203A (fr) Procede pour l'obtention de d-penicillamine
BE819648A (fr) Procede pour l'obtention de sulfamides
BE796117A (fr) Procede pour l'obtention d'allylidenephosphoranes
FR2295961A1 (fr) Procede pour l'obtention de b-chloroethyltrichlorosilane

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LABORATOIRES OBERLIN

Effective date: 19930228