DK170773B1 - Fremgangsmåde til fremstilling af d-alfa-tocopherol - Google Patents

Fremgangsmåde til fremstilling af d-alfa-tocopherol Download PDF

Info

Publication number
DK170773B1
DK170773B1 DK248584A DK248584A DK170773B1 DK 170773 B1 DK170773 B1 DK 170773B1 DK 248584 A DK248584 A DK 248584A DK 248584 A DK248584 A DK 248584A DK 170773 B1 DK170773 B1 DK 170773B1
Authority
DK
Denmark
Prior art keywords
general formula
compound
tocopherol
protecting group
ether
Prior art date
Application number
DK248584A
Other languages
Danish (da)
English (en)
Other versions
DK248584D0 (da
DK248584A (da
Inventor
Richard Barner
Josef Huebscher
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 DK248584D0 publication Critical patent/DK248584D0/da
Publication of DK248584A publication Critical patent/DK248584A/da
Application granted granted Critical
Publication of DK170773B1 publication Critical patent/DK170773B1/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02—Compounds containing oxirane rings
    • C07D303/12—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/18—Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
    • C07D303/20—Ethers with hydroxy compounds containing no oxirane rings
    • C07D303/22—Ethers with hydroxy compounds containing no oxirane rings with monohydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/26—Preparation of ethers by reactions not forming ether-oxygen bonds by introduction of hydroxy or O-metal groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/18—Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/30—Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
    • 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
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07—Optical isomers
    • 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
    • Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Epoxy Compounds (AREA)
  • Glass Compositions (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Couplings Of Light Guides (AREA)
DK248584A 1983-06-21 1984-05-17 Fremgangsmåde til fremstilling af d-alfa-tocopherol DK170773B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH339183 1983-06-21
CH339183 1983-06-21

Publications (3)

Publication Number Publication Date
DK248584D0 DK248584D0 (da) 1984-05-17
DK248584A DK248584A (da) 1984-12-22
DK170773B1 true DK170773B1 (da) 1996-01-15

Family

ID=4254962

Family Applications (1)

Application Number Title Priority Date Filing Date
DK248584A DK170773B1 (da) 1983-06-21 1984-05-17 Fremgangsmåde til fremstilling af d-alfa-tocopherol

Country Status (6)

Country Link
US (2) US4582919A (ja)
EP (1) EP0129252B1 (ja)
JP (1) JPS6013781A (ja)
AT (1) ATE55382T1 (ja)
DE (1) DE3482917D1 (ja)
DK (1) DK170773B1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK354085A (da) * 1984-08-28 1986-03-01 Hoffmann La Roche Fremgangsmaade til fremstilling af optisk aktive forbindelser
DK401287A (da) * 1986-08-25 1988-02-26 Hoffmann La Roche Fremgangsmaade til fremstilling af opstisk aktive forbindelser
US5034546A (en) * 1986-11-28 1991-07-23 Hoffmann-La Roche Inc. Novel vitamin E intermediates and a process for their manufacture and conversion into vitamin E
DK559887A (da) * 1986-11-28 1988-05-29 Hoffmann La Roche Fremgangsmaade til fremstilling af carbinolderivater
JP2912399B2 (ja) * 1988-08-02 1999-06-28 エフ・ホフマン‐ラ ロシユ アーゲー トコフエロールの製造方法
US5348869A (en) * 1988-08-02 1994-09-20 Hoffmann-La Roche Inc. Process for producing tocopherols with spheroplasts of algae
DE4120166C2 (de) * 1991-06-19 1994-10-06 Friedrichs Konrad Kg Strangpreßwerkzeug zur Herstellung eines Hartmetall- oder Keramikstabes mit gedrallten Innenbohrungen
EP0531639B1 (en) * 1991-07-18 1999-09-01 F. Hoffmann-La Roche Ag Tocopherol cyclase
WO2000010994A1 (en) * 1998-08-19 2000-03-02 Sankyo Company, Limited Process for the preparation of 2-(aryloxymethyl)-2,5,7,8-tetramethylchroman-6-ols

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992420A (en) * 1972-06-12 1976-11-16 Ciba-Geigy Corporation 3,5-dialkyl-4-hydroxybenzyl-oxiranes
JPS57136582A (en) * 1981-02-19 1982-08-23 Eisai Co Ltd Preparation of optically active alpha-tocopherol
JPS57183782A (en) * 1981-04-30 1982-11-12 Sumitomo Chem Co Ltd Preparation of coumarone compound
DK449983A (da) * 1982-10-27 1984-04-28 Hoffmann La Roche Fremgangsmaade til fremstilling af optiske aktive forbindelser

Also Published As

Publication number Publication date
DK248584D0 (da) 1984-05-17
DK248584A (da) 1984-12-22
ATE55382T1 (de) 1990-08-15
US4709055A (en) 1987-11-24
US4582919A (en) 1986-04-15
EP0129252A3 (en) 1988-01-13
EP0129252A2 (de) 1984-12-27
EP0129252B1 (de) 1990-08-08
DE3482917D1 (de) 1990-09-13
JPH0572387B2 (ja) 1993-10-12
JPS6013781A (ja) 1985-01-24

Similar Documents

Publication Publication Date Title
CN103087028B (zh) 制备奈必洛尔的方法
DK170773B1 (da) Fremgangsmåde til fremstilling af d-alfa-tocopherol
JP2567430B2 (ja) カルビノール誘導体及びその製造方法
Kido et al. Stereoselectivity in the sigmatropic rearrangement of eight-and nine-membered cyclic allylsulfonium ylides. synthesis of vinyl-substituted butyro-and valerolactones
JP5502849B2 (ja) ネビボロールの調製プロセス
DK167352B1 (da) Fremgangsmaade til fremstilling af hydroquinonderivater samt hydroquinonderivater fremstillet ved fremgangsmaaden
US4559407A (en) Intermediate in the production of vitamin E
US4904823A (en) Hydroquinone derivatives and a process for their preparation
US4808736A (en) Process for the preparation of hydroquinone derivatives and d-α-tocopherol
Cantrell Reactivity of photochemically excited 3-acylthiophenes, 3-acylfurans, and the formylthiophenes and furans
JP2857760B2 (ja) プロポキシニトロベンゼン類の製法
US5034546A (en) Novel vitamin E intermediates and a process for their manufacture and conversion into vitamin E
EP0441116B1 (en) Process and intermediates for the manufacture of optically active chroman derivatives
US5153344A (en) Vitamin E intermediates and a process for their manufacture and conversion into vitamin E
JPH0430395B2 (ja)
EP1997815B1 (en) Method for producing flavan derivatives
CA1239647A (en) INTERMEDIATE FOR THE SYNTHESIS OF OPTICALLY ACTIVE D- .alpha. TOCOPHEROL
JPS63188680A (ja) 新規な４，４−ジメチルテトラヒドロ−１−ピロン誘導体、その製造法及びピレスリノイド化合物の合成への使用
WO2013018053A1 (en) Process for the preparation of epoxides as intermediates for the synthesis of nebivolol
CN111065634A (zh) 用于制备α-生育酚的中间体的新型合成
JPH0733379B2 (ja) 光学活性α−トコフエロ−ルの製造方法
JPS6051471B2 (ja) ３，４−ジヒドロカルボスチリル誘導体
JPS5938946B2 (ja) ハイドロキノン系化合物の製造方法
JPS5929628A (ja) 光学活性化合物
EP0138575A2 (en) Process for the preparation of 2,3-cis-1,2,3,4-tetrahydro-5-[(2-hydroxy-3-tert.butylamino)propoxy]-2,3-naphthalenediol and new intermediate for use therein

Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed