DK1134218T3 - Fremgangsmåde til fremstilling af (all-rac)-alpha-tocopherol - Google Patents

Fremgangsmåde til fremstilling af (all-rac)-alpha-tocopherol

Info

Publication number
DK1134218T3
DK1134218T3 DK01105979T DK01105979T DK1134218T3 DK 1134218 T3 DK1134218 T3 DK 1134218T3 DK 01105979 T DK01105979 T DK 01105979T DK 01105979 T DK01105979 T DK 01105979T DK 1134218 T3 DK1134218 T3 DK 1134218T3
Authority
DK
Denmark
Prior art keywords
acid
rac
tocopherol
alpha
preparation
Prior art date
Application number
DK01105979T
Other languages
English (en)
Inventor
Werner Bonrath
Alois Haas
Eike Hoppmann
Thomas Netscher
Horst Pauling
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Application granted granted Critical
Publication of DK1134218T3 publication Critical patent/DK1134218T3/da

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
DK01105979T 2000-03-17 2001-03-10 Fremgangsmåde til fremstilling af (all-rac)-alpha-tocopherol DK1134218T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00105672 2000-03-17

Publications (1)

Publication Number Publication Date
DK1134218T3 true DK1134218T3 (da) 2004-02-09

Family

ID=8168125

Family Applications (1)

Application Number Title Priority Date Filing Date
DK01105979T DK1134218T3 (da) 2000-03-17 2001-03-10 Fremgangsmåde til fremstilling af (all-rac)-alpha-tocopherol

Country Status (11)

Country Link
US (1) US6369242B2 (da)
EP (1) EP1134218B1 (da)
JP (1) JP2001294584A (da)
KR (1) KR20010092319A (da)
CN (1) CN1178930C (da)
AT (1) ATE251148T1 (da)
BR (1) BR0101075A (da)
CA (1) CA2340518A1 (da)
DE (1) DE60100865T2 (da)
DK (1) DK1134218T3 (da)
ES (1) ES2208482T3 (da)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1271065C (zh) 2001-10-31 2006-08-23 Dsmip资产有限公司 α－生育酚的制备方法
AU2002356637A1 (en) 2001-12-14 2003-06-30 Roche Vitamins Ag Manufacture of trimethylhydroquinone diacylates
AU2003210291A1 (en) * 2002-02-25 2003-09-09 Dsm Ip Assets B.V. MANUFACTURE OF (ALL-RAC)-Alpha-TOCOPHEROL
AU2003270295A1 (en) * 2002-11-21 2004-06-15 Dsm Ip Assets B.V. MANUFACTURE OF Alpha-TOCOPHEROL
US6858124B2 (en) 2002-12-16 2005-02-22 3M Innovative Properties Company Methods for polishing and/or cleaning copper interconnects and/or film and compositions therefor
US6884338B2 (en) 2002-12-16 2005-04-26 3M Innovative Properties Company Methods for polishing and/or cleaning copper interconnects and/or film and compositions therefor
US7147767B2 (en) 2002-12-16 2006-12-12 3M Innovative Properties Company Plating solutions for electrochemical or chemical deposition of copper interconnects and methods therefor
WO2004096790A1 (en) * 2003-04-28 2004-11-11 Dsm Ip Assets B.V. Process for the manufacture of tocyl and tocopheryl acylates
KR100984972B1 (ko) * 2004-10-21 2010-10-04 주식회사 만도 유압식 동력조향장치의 유체흐름방향 제어용 체크 밸브
CN111646968B (zh) * 2020-05-28 2022-04-22 万华化学集团股份有限公司 一种制备维生素e的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5273840A (en) 1990-08-01 1993-12-28 Covalent Associates Incorporated Methide salts, formulations, electrolytes and batteries formed therefrom
JP3848380B2 (ja) 1993-12-14 2006-11-22 エーザイ・アール・アンド・ディー・マネジメント株式会社 α−トコフェロール誘導体の製造法
US5554664A (en) 1995-03-06 1996-09-10 Minnesota Mining And Manufacturing Company Energy-activatable salts with fluorocarbon anions
US5908939A (en) 1996-11-11 1999-06-01 Roche Vitamins Inc. Method of making D,L-A-tocopherol
ES2264230T3 (es) 1998-04-06 2006-12-16 Dsm Ip Assets B.V. Procedimiento par ala obtencion de d,1-alfa-tocoferol, en un disolvente de carbonato y en presencia de un catalizador de acido conteniendo azufre.
EP1000940A1 (en) 1998-11-11 2000-05-17 F. Hoffmann-La Roche Ag Process for manufacturing d,l-alpha-tocopherol

Also Published As

Publication number Publication date
EP1134218A1 (en) 2001-09-19
CN1314354A (zh) 2001-09-26
JP2001294584A (ja) 2001-10-23
KR20010092319A (ko) 2001-10-24
DE60100865D1 (de) 2003-11-06
EP1134218B1 (en) 2003-10-01
US20010027255A1 (en) 2001-10-04
ES2208482T3 (es) 2004-06-16
BR0101075A (pt) 2001-11-06
CN1178930C (zh) 2004-12-08
US6369242B2 (en) 2002-04-09
ATE251148T1 (de) 2003-10-15
CA2340518A1 (en) 2001-09-17
DE60100865T2 (de) 2004-07-29

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