FR1455040A - Procédé de préparation d'alpha-tocophérol à haute activité vitaminique e - Google Patents

Procédé de préparation d'alpha-tocophérol à haute activité vitaminique e

Info

Publication number
FR1455040A
FR1455040A FR990339A FR990339A FR1455040A FR 1455040 A FR1455040 A FR 1455040A FR 990339 A FR990339 A FR 990339A FR 990339 A FR990339 A FR 990339A FR 1455040 A FR1455040 A FR 1455040A
Authority
FR
France
Prior art keywords
tocopherol
alpha
preparation
vitamin activity
high vitamin
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.)
Expired
Application number
FR990339A
Other languages
English (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.)
Eisai Co Ltd
Original Assignee
Eisai Co Ltd
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 Eisai Co Ltd filed Critical Eisai Co Ltd
Application granted granted Critical
Publication of FR1455040A publication Critical patent/FR1455040A/fr
Expired 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
    • C07D311/58—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4 with two hydrocarbon radicals attached in position 2 and elements other than carbon and hydrogen in position 6
    • C07D311/72—3,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Pyrane Compounds (AREA)
FR990339A 1964-01-24 1964-10-05 Procédé de préparation d'alpha-tocophérol à haute activité vitaminique e Expired FR1455040A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP309464 1964-01-24

Publications (1)

Publication Number Publication Date
FR1455040A true FR1455040A (fr) 1966-04-01

Family

ID=11547742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990339A Expired FR1455040A (fr) 1964-01-24 1964-10-05 Procédé de préparation d'alpha-tocophérol à haute activité vitaminique e

Country Status (5)

Country Link
US (1) US3338922A (fr)
FR (1) FR1455040A (fr)
GB (1) GB1031495A (fr)
NL (1) NL146821B (fr)
SE (1) SE324158B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203812A1 (fr) * 1972-10-20 1974-05-17 Gen Mills Chem Inc

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53111069A (en) * 1977-03-09 1978-09-28 Tama Seikagaku Kenkyusho Kk Method of introducing methyl group to nonnalphaatocopherol
EP0176690A1 (fr) * 1984-09-18 1986-04-09 HENKEL CORPORATION (a Delaware corp.) Méthylation en phase vapeur/liquide de non-alpha-tocophérol
US4617406A (en) * 1985-02-11 1986-10-14 Henkel Corporation Purification of tocopherols
US5522810A (en) * 1995-06-05 1996-06-04 Kimberly-Clark Corporation Compressively resistant and resilient fibrous nonwoven web
DE59609995D1 (de) * 1995-10-18 2003-01-30 Hoffmann La Roche Hydroxymethylierung von Tocopherolen
US7393799B2 (en) * 2002-12-10 2008-07-01 Saint-Gobain Technical Fabrics Canada, Ltd Breathable, waterproofing, tear-resistant fabric
US7238314B2 (en) * 2003-03-13 2007-07-03 3M Innovative Properties Company Polymer transfer apparatus, methods, and composite webs
US20040224596A1 (en) * 2003-05-09 2004-11-11 Mathis Michael P. Nonwoven breathable composite barrier fabric
US20050136766A1 (en) * 2003-12-17 2005-06-23 Tanner James J. Wet-or dry-use biodegradable collecting sheet

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673858A (en) * 1949-10-08 1954-03-30 Eastman Kodak Co Alkyl tocopherols
US2909568A (en) * 1957-09-05 1959-10-20 Universal Oil Prod Co Methylation of hydroxyaromatic compounds
DE1149167B (de) * 1958-08-25 1963-05-22 Monsanto Chemicals Verfahren zur Herstellung schnellhaertender Novolakharze

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2203812A1 (fr) * 1972-10-20 1974-05-17 Gen Mills Chem Inc

Also Published As

Publication number Publication date
US3338922A (en) 1967-08-29
NL146821B (nl) 1975-08-15
GB1031495A (en) 1966-06-02
SE324158B (fr) 1970-05-25
NL6411541A (fr) 1965-07-26

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