NO982531D0 - Fremstilling av <alfa>-tokoferol - Google Patents

Fremstilling av <alfa>-tokoferol

Info

Publication number
NO982531D0
NO982531D0 NO982531A NO982531A NO982531D0 NO 982531 D0 NO982531 D0 NO 982531D0 NO 982531 A NO982531 A NO 982531A NO 982531 A NO982531 A NO 982531A NO 982531 D0 NO982531 D0 NO 982531D0
Authority
NO
Norway
Prior art keywords
tocopherol
alpha
preparation
Prior art date
Application number
NO982531A
Other languages
English (en)
Other versions
NO982531L (no
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
Publication of NO982531D0 publication Critical patent/NO982531D0/no
Publication of NO982531L publication Critical patent/NO982531L/no

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
NO982531A 1997-06-06 1998-06-03 Fremstilling av <alfa>-tokoferol NO982531L (no)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO982531D0 true NO982531D0 (no) 1998-06-03
NO982531L NO982531L (no) 1998-12-07

Family

ID=8226884

Family Applications (1)

Application Number Title Priority Date Filing Date
NO982531A NO982531L (no) 1997-06-06 1998-06-03 Fremstilling av <alfa>-tokoferol

Country Status (14)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2963006B1 (en) 2008-10-28 2018-10-17 BioElectron Technology Corporation Composition containing alpha-tocotrienol quinone,and intermediates thereof
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
EP3233776B1 (en) 2014-12-17 2019-10-23 DSM IP Assets B.V. Formation of chromanes based on intermolecular reaction of alkynes with dimethylfuran in the presence of gold(i) complexes
US10745371B2 (en) 2015-12-16 2020-08-18 Ptc Therapeutics, Inc. Methods for enriching alpha-tocotrienol from mixed tocol compositions

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
DE59609995D1 (de) * 1995-10-18 2003-01-30 Hoffmann La Roche Hydroxymethylierung von Tocopherolen

Also Published As

Publication number Publication date
AU731156B2 (en) 2001-03-22
AU6993598A (en) 1998-12-10
ES2172838T3 (es) 2002-10-01
BR9803703A (pt) 2000-04-11
KR19990006685A (ko) 1999-01-25
NO982531L (no) 1998-12-07
DE59803484D1 (de) 2002-05-02
DK0882722T3 (da) 2002-07-15
EP0882722B1 (de) 2002-03-27
JPH1112268A (ja) 1999-01-19
US5932748A (en) 1999-08-03
CA2239481A1 (en) 1998-12-06
ID20403A (id) 1998-12-10
CN1098257C (zh) 2003-01-08
CN1201792A (zh) 1998-12-16
TW394766B (en) 2000-06-21
EP0882722A1 (de) 1998-12-09

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application