DE68916805T2 - Verfahren zur herstellung von tocopherolen. - Google Patents

Verfahren zur herstellung von tocopherolen.

Info

Publication number
DE68916805T2
DE68916805T2 DE68916805T DE68916805T DE68916805T2 DE 68916805 T2 DE68916805 T2 DE 68916805T2 DE 68916805 T DE68916805 T DE 68916805T DE 68916805 T DE68916805 T DE 68916805T DE 68916805 T2 DE68916805 T2 DE 68916805T2
Authority
DE
Germany
Prior art keywords
tocopherols
producing
producing tocopherols
precursors
novel process
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 - Fee Related
Application number
DE68916805T
Other languages
English (en)
Other versions
DE68916805D1 (de
Inventor
Achim Stocker
Wolf-Dietrich Woggon
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
F Hoffmann La Roche 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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Application granted granted Critical
Publication of DE68916805D1 publication Critical patent/DE68916805D1/de
Publication of DE68916805T2 publication Critical patent/DE68916805T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
    • C12P17/02—Oxygen as only ring hetero atoms
    • C12P17/06—Oxygen as only ring hetero atoms containing a six-membered hetero ring, e.g. fluorescein
DE68916805T 1988-08-02 1989-07-28 Verfahren zur herstellung von tocopherolen. Expired - Fee Related DE68916805T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP88810529 1988-08-02
PCT/EP1989/000890 WO1990001554A1 (en) 1988-08-02 1989-07-28 Process for producing tocopherols

Publications (2)

Publication Number Publication Date
DE68916805D1 DE68916805D1 (de) 1994-08-18
DE68916805T2 true DE68916805T2 (de) 1995-02-09

Family

ID=8200595

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68916805T Expired - Fee Related DE68916805T2 (de) 1988-08-02 1989-07-28 Verfahren zur herstellung von tocopherolen.

Country Status (6)

Country Link
EP (1) EP0440657B1 (de)
JP (1) JP2912399B2 (de)
AT (1) ATE108486T1 (de)
DE (1) DE68916805T2 (de)
DK (1) DK78390D0 (de)
WO (1) WO1990001554A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0531639B1 (de) * 1991-07-18 1999-09-01 F. Hoffmann-La Roche Ag Tocopherol-Cyclase
FR2733977B1 (fr) * 1995-05-10 1997-07-04 Rhone Poulenc Nutrition Animal Procede de preparation de phenols substitues
AU2002221869A1 (en) 2000-11-22 2002-06-03 Bayer Aktiengesellschaft Dispersible polymer powders
WO2002063016A1 (en) * 2001-02-02 2002-08-15 Roche Vitamins Ag Tocopherol cyclase

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK170773B1 (da) * 1983-06-21 1996-01-15 Hoffmann La Roche Fremgangsmåde til fremstilling af d-alfa-tocopherol

Also Published As

Publication number Publication date
EP0440657B1 (de) 1994-07-13
ATE108486T1 (de) 1994-07-15
DK78390A (da) 1990-03-27
EP0440657A1 (de) 1991-08-14
DK78390D0 (da) 1990-03-27
JP2912399B2 (ja) 1999-06-28
WO1990001554A1 (en) 1990-02-22
DE68916805D1 (de) 1994-08-18
JPH03504200A (ja) 1991-09-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DSM IP ASSETS B.V., TE HEERLEN, NL

8339 Ceased/non-payment of the annual fee