DK1132385T3 - Fremgangsmåde til fremstilling af alfa-tocopherolacetat ved kondensation af trimethylhydroquinon-diestere med isophytol - Google Patents

Fremgangsmåde til fremstilling af alfa-tocopherolacetat ved kondensation af trimethylhydroquinon-diestere med isophytol

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Publication number
DK1132385T3
DK1132385T3 DK01710005T DK01710005T DK1132385T3 DK 1132385 T3 DK1132385 T3 DK 1132385T3 DK 01710005 T DK01710005 T DK 01710005T DK 01710005 T DK01710005 T DK 01710005T DK 1132385 T3 DK1132385 T3 DK 1132385T3
Authority
DK
Denmark
Prior art keywords
isophytol
condensation
alpha
tocopherol acetate
preparation
Prior art date
Application number
DK01710005T
Other languages
English (en)
Inventor
Klaus Dr Huthmacher
Stephan Kretz
Steffen Dr Krill
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Application granted granted Critical
Publication of DK1132385T3 publication Critical patent/DK1132385T3/da

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70Benzo[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
    • C07D311/723,4-Dihydro derivatives having in position 2 at least one methyl radical and in position 6 one oxygen atom, e.g. tocopherols
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
DK01710005T 2000-03-09 2001-02-01 Fremgangsmåde til fremstilling af alfa-tocopherolacetat ved kondensation af trimethylhydroquinon-diestere med isophytol DK1132385T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10011402A DE10011402A1 (de) 2000-03-09 2000-03-09 Verfahren zur Herstellung von alpha-Tocopherolestern

Publications (1)

Publication Number Publication Date
DK1132385T3 true DK1132385T3 (da) 2004-02-16

Family

ID=7634039

Family Applications (1)

Application Number Title Priority Date Filing Date
DK01710005T DK1132385T3 (da) 2000-03-09 2001-02-01 Fremgangsmåde til fremstilling af alfa-tocopherolacetat ved kondensation af trimethylhydroquinon-diestere med isophytol

Country Status (15)

Country Link
US (1) US6239294B1 (da)
EP (1) EP1132385B1 (da)
JP (1) JP2001261669A (da)
KR (1) KR20010096582A (da)
CN (1) CN1216879C (da)
AT (1) ATE252092T1 (da)
BR (1) BR0100943A (da)
CA (1) CA2339613A1 (da)
DE (2) DE10011402A1 (da)
DK (1) DK1132385T3 (da)
ID (1) ID29646A (da)
IL (1) IL141862A (da)
SK (1) SK2872001A3 (da)
TW (1) TW576834B (da)
YU (1) YU17701A (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011403A1 (de) * 2000-03-09 2001-09-13 Degussa Verfahren zur Herstellung von alpha-Tocopherolacetat durch Kondensation von Trimethylhydrochinon mit Isophytol unter Recyclierung einer essigsauren Katalysatorlösung
CN101704809B (zh) * 2003-12-05 2012-11-07 帝斯曼知识产权资产管理有限公司 用于制备链烯基化的羟化芳族化合物、苯并二氢吡喃化合物和其酰化衍生物的方法
US20070049762A1 (en) * 2003-12-15 2007-03-01 Werner Bonrath Process for the manufacture of trimethylydroquine dialkanoates
DE602005002136T2 (de) * 2004-04-26 2008-05-21 Dsm Ip Assets B.V. Verfahren zur herstellung von tocopherylacylaten
KR101140519B1 (ko) * 2004-06-11 2012-04-30 디에스엠 아이피 어셋츠 비.브이. 크로만 유도체, 특히 α-토코페롤 및 그의 알카노에이트의제조 방법
CN102336732A (zh) * 2011-07-14 2012-02-01 福建省福抗药业股份有限公司 一锅法制备维生素e乙酸酯的生产方法
CN105418574A (zh) * 2014-08-27 2016-03-23 浙江医药股份有限公司新昌制药厂 一种dl-α生育酚醋酸酯的制备方法
CN106565659B (zh) * 2016-11-01 2019-06-18 万华化学集团股份有限公司 一种制备维生素e乙酸酯的方法
CN115745938B (zh) * 2022-11-15 2024-05-03 万华化学集团股份有限公司 一种连续制备维生素e乙酸酯的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH547278A (de) * 1971-01-11 1974-03-29 Hoffmann La Roche Verfahren zur herstellung von chromanderivaten.
DE4243464A1 (de) * 1992-12-22 1994-06-23 Basf Ag Verfahren zur Herstellung von alpha-Tocopherol und alpha-Tocopherylacetat in flüssigem oder überkritischem Kohlendioxid
US6005122A (en) * 1996-12-23 1999-12-21 Basf Aktiengesellschaft Preparation of α-tocopherol or α-tocopheryl acetate by reacting trimethylhydroquinone and phytol or isophytol, with recycling of the zinc halide condensation catalyst
DE19757124A1 (de) * 1997-12-20 1999-06-24 Degussa Verfahren zur Herstellung von alpha-Tocopherolestern

Also Published As

Publication number Publication date
IL141862A0 (en) 2002-03-10
US6239294B1 (en) 2001-05-29
YU17701A (sh) 2005-06-10
ATE252092T1 (de) 2003-11-15
IL141862A (en) 2004-08-31
CN1315325A (zh) 2001-10-03
TW576834B (en) 2004-02-21
DE50100771D1 (de) 2003-11-20
JP2001261669A (ja) 2001-09-26
EP1132385A3 (de) 2001-09-26
EP1132385A2 (de) 2001-09-12
BR0100943A (pt) 2001-10-30
EP1132385B1 (de) 2003-10-15
CA2339613A1 (en) 2001-09-09
ID29646A (id) 2001-09-13
KR20010096582A (ko) 2001-11-07
CN1216879C (zh) 2005-08-31
SK2872001A3 (en) 2002-03-05
DE10011402A1 (de) 2001-09-13

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