DK0882722T3 - Fremstilling af alpha-tocopherol - Google Patents

Fremstilling af alpha-tocopherol

Info

Publication number
DK0882722T3
DK0882722T3 DK98109726T DK98109726T DK0882722T3 DK 0882722 T3 DK0882722 T3 DK 0882722T3 DK 98109726 T DK98109726 T DK 98109726T DK 98109726 T DK98109726 T DK 98109726T DK 0882722 T3 DK0882722 T3 DK 0882722T3
Authority
DK
Denmark
Prior art keywords
tocopherol
alpha
preparation
Prior art date
Application number
DK98109726T
Other languages
English (en)
Inventor
Manfred Breuninger
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 DK0882722T3 publication Critical patent/DK0882722T3/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cosmetics (AREA)
  • Fats And Perfumes (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DK98109726T 1997-06-06 1998-05-28 Fremstilling af alpha-tocopherol DK0882722T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP97109174 1997-06-06

Publications (1)

Publication Number Publication Date
DK0882722T3 true DK0882722T3 (da) 2002-07-15

Family

ID=8226884

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98109726T DK0882722T3 (da) 1997-06-06 1998-05-28 Fremstilling af alpha-tocopherol

Country Status (14)

Country Link
US (1) US5932748A (da)
EP (1) EP0882722B1 (da)
JP (1) JPH1112268A (da)
KR (1) KR19990006685A (da)
CN (1) CN1098257C (da)
AU (1) AU731156B2 (da)
BR (1) BR9803703A (da)
CA (1) CA2239481A1 (da)
DE (1) DE59803484D1 (da)
DK (1) DK0882722T3 (da)
ES (1) ES2172838T3 (da)
ID (1) ID20403A (da)
NO (1) NO982531L (da)
TW (1) TW394766B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010051277A1 (en) 2008-10-28 2010-05-06 Edison Pharmaceuticals, Inc. Process for the production of alpha-tocotrienol and derivatives
CN102584771A (zh) * 2012-01-04 2012-07-18 江南大学 一种生育酚浓缩液的胺甲基化方法
US10047065B2 (en) 2014-12-17 2018-08-14 Dsm Ip Assets B.V. Formation of chromanes based on intermolecular reaction of alkynes with dimethylfuran in the presence of gold(I) complexes
JP7117241B2 (ja) 2015-12-16 2022-08-12 ピーティーシー セラピューティクス， インコーポレイテッド 混合されたトコール組成物からアルファ－トコトリエノールを富化するための改良された方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486539A (en) * 1946-07-19 1949-11-01 Distillation Products Inc Conversion of beta-, gamma-, and delta-tocopherol to alph-tocopherol
US2519863A (en) * 1949-05-14 1950-08-22 Eastman Kodak Co Conversion of beta-, gamma-, and delta-tocopherol to alpha-tocopherol by aminoalkylation and reduction
US3819657A (en) * 1972-10-20 1974-06-25 Gen Mills Chem Inc Methylation of tocopherols
EP0176690A1 (en) * 1984-09-18 1986-04-09 HENKEL CORPORATION (a Delaware corp.) Vapor/liquid phase methylation of non-alpha-tocopherol
EP0178400A1 (en) * 1984-09-25 1986-04-23 HENKEL CORPORATION (a Delaware corp.) Methylation of non-alpha-tocopherol compounds
DE3813624A1 (de) * 1988-04-22 1989-11-02 Basf Ag Verfahren zur herstellung von d-(alpha)-tocopherol aus natuerlichen vorprodukten
ATE229948T1 (de) * 1995-10-18 2003-01-15 Hoffmann La Roche Hydroxymethylierung von tocopherolen

Also Published As

Publication number Publication date
AU6993598A (en) 1998-12-10
DE59803484D1 (de) 2002-05-02
JPH1112268A (ja) 1999-01-19
EP0882722A1 (de) 1998-12-09
AU731156B2 (en) 2001-03-22
EP0882722B1 (de) 2002-03-27
NO982531L (no) 1998-12-07
US5932748A (en) 1999-08-03
ES2172838T3 (es) 2002-10-01
CN1098257C (zh) 2003-01-08
TW394766B (en) 2000-06-21
ID20403A (id) 1998-12-10
CN1201792A (zh) 1998-12-16
NO982531D0 (no) 1998-06-03
CA2239481A1 (en) 1998-12-06
KR19990006685A (ko) 1999-01-25
BR9803703A (pt) 2000-04-11

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