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AU2003210291A1 - MANUFACTURE OF (ALL-RAC)-Alpha-TOCOPHEROL - Google Patents

MANUFACTURE OF (ALL-RAC)-Alpha-TOCOPHEROL

Info

Publication number
AU2003210291A1
AU2003210291A1 AU2003210291A AU2003210291A AU2003210291A1 AU 2003210291 A1 AU2003210291 A1 AU 2003210291A1 AU 2003210291 A AU2003210291 A AU 2003210291A AU 2003210291 A AU2003210291 A AU 2003210291A AU 2003210291 A1 AU2003210291 A1 AU 2003210291A1
Authority
AU
Australia
Prior art keywords
rac
tocopherol
alpha
manufacture
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.)
Abandoned
Application number
AU2003210291A
Inventor
Werner Bonrath
Simone Gockel
Alois Haas
Thomas Netscher
Horst Pauling
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.)
DSM IP Assets BV
Original Assignee
Roche Vitamins AG
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 Roche Vitamins AG filed Critical Roche Vitamins AG
Publication of AU2003210291A1 publication Critical patent/AU2003210291A1/en
Abandoned 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)
  • Pyrane Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AU2003210291A 2002-02-25 2003-02-17 MANUFACTURE OF (ALL-RAC)-Alpha-TOCOPHEROL Abandoned AU2003210291A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02004094.5 2002-02-25
EP02004094 2002-02-25
PCT/EP2003/001556 WO2003070718A1 (en) 2002-02-25 2003-02-17 MANUFACTURE OF (ALL-RAC)-α-TOCOPHEROL

Publications (1)

Publication Number Publication Date
AU2003210291A1 true AU2003210291A1 (en) 2003-09-09

Family

ID=27741113

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003210291A Abandoned AU2003210291A1 (en) 2002-02-25 2003-02-17 MANUFACTURE OF (ALL-RAC)-Alpha-TOCOPHEROL

Country Status (2)

Country Link
AU (1) AU2003210291A1 (en)
WO (1) WO2003070718A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114989125A (en) * 2022-05-30 2022-09-02 万华化学(四川)有限公司 Preparation method of low-color-number vitamin E acetate

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114901650B (en) * 2019-12-19 2024-09-03 帝斯曼知识产权资产管理有限公司 Formation of α-tocopherol from 2,3,6-trimethylphenol

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1000940A1 (en) * 1998-11-11 2000-05-17 F. Hoffmann-La Roche Ag Process for manufacturing d,l-alpha-tocopherol
US6369242B2 (en) * 2000-03-17 2002-04-09 Roche Vitamins Inc. Tocopherol manufacture by tris(perfluorohydrocarbylsulphonyl) methane or metal methides thereof
ATE246181T1 (en) * 2000-08-18 2003-08-15 Roche Vitamins Ag METHOD FOR PRODUCING (ALLE-RAC)-ALFA-TOCOPHEROL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114989125A (en) * 2022-05-30 2022-09-02 万华化学(四川)有限公司 Preparation method of low-color-number vitamin E acetate

Also Published As

Publication number Publication date
WO2003070718A1 (en) 2003-08-28

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase