FR2218109A1 - Extraction of leucocyanidol - from plants using methyl-ethyl ketone as selective solvent - Google Patents

Extraction of leucocyanidol - from plants using methyl-ethyl ketone as selective solvent

Info

Publication number
FR2218109A1
FR2218109A1 FR7305599A FR7305599A FR2218109A1 FR 2218109 A1 FR2218109 A1 FR 2218109A1 FR 7305599 A FR7305599 A FR 7305599A FR 7305599 A FR7305599 A FR 7305599A FR 2218109 A1 FR2218109 A1 FR 2218109A1
Authority
FR
France
Prior art keywords
leucocyanidol
plants
extraction
methyl
ethyl ketone
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7305599A
Other languages
French (fr)
Other versions
FR2218109B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OBERLIN LAB
Original Assignee
OBERLIN 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
Application filed by OBERLIN LAB filed Critical OBERLIN LAB
Priority to FR7305599A priority Critical patent/FR2218109A1/en
Priority to BE2053405A priority patent/BE810650A/en
Priority to ES423063A priority patent/ES423063A1/en
Priority to DE19742407294 priority patent/DE2407294C2/en
Publication of FR2218109A1 publication Critical patent/FR2218109A1/en
Application granted granted Critical
Publication of FR2218109B1 publication Critical patent/FR2218109B1/fr
Granted legal-status Critical Current

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)
  • Pyrane Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Title cpd (also known as 5,7,3',4'-tetrahydroxy-3,4-flavandiol) and its oligomers is extracted from vegetable material using a solvent contg methylethyl ketone. The prod is used to treat capillary and vein conditions.
FR7305599A 1973-02-16 1973-02-16 Extraction of leucocyanidol - from plants using methyl-ethyl ketone as selective solvent Granted FR2218109A1 (en)

Priority Applications (4)

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
BE2053405A BE810650A (en) 1973-02-16 1974-02-06 PROCEDURE FOR OBTAINING TETRAHYDROXY-5
ES423063A ES423063A1 (en) 1973-02-16 1974-02-08 Extraction of leucocyanidol - from plants using methyl-ethyl ketone as selective solvent
DE19742407294 DE2407294C2 (en) 1973-02-16 1974-02-15 Process for the preparation of 5,7,3 ', 4'-tetrahydroxy-flavan-3,4-diol and its oligomers

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 (2)

Publication Number Publication Date
FR2218109A1 true FR2218109A1 (en) 1974-09-13
FR2218109B1 FR2218109B1 (en) 1976-08-13

Family

ID=9114961

Family Applications (1)

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

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725447A1 (en) * 1994-10-11 1996-04-12 Sanofi Sa PROCESS FOR OBTAINING PROCYANIDOLIC OLIGOMERS
WO2005009452A1 (en) * 2003-07-31 2005-02-03 Pynogin Gmbh A composition for decreasing the risk of long-haul traveller’s syndrome comprising a mixture of pycnogenol and standardized giger root extract

Citations (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

Patent Citations (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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725447A1 (en) * 1994-10-11 1996-04-12 Sanofi Sa PROCESS FOR OBTAINING PROCYANIDOLIC OLIGOMERS
EP0707005A1 (en) * 1994-10-11 1996-04-17 Sanofi Process for obtaining of procyanidolic oligomerides
US5804192A (en) * 1994-10-11 1998-09-08 Sanofi Process for obtaining procyanidol oligomers from plants by extractions
WO2005009452A1 (en) * 2003-07-31 2005-02-03 Pynogin Gmbh A composition for decreasing the risk of long-haul traveller’s syndrome comprising a mixture of pycnogenol and standardized giger root extract

Also Published As

Publication number Publication date
ES423063A1 (en) 1976-04-16
DE2407294A1 (en) 1974-08-22
DE2407294C2 (en) 1983-09-22
BE810650A (en) 1974-05-29
FR2218109B1 (en) 1976-08-13

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