TW502029B - Process for the production of Α-tocopherol esters - Google Patents

Process for the production of Α-tocopherol esters Download PDF

Info

Publication number
TW502029B
TW502029B TW087120855A TW87120855A TW502029B TW 502029 B TW502029 B TW 502029B TW 087120855 A TW087120855 A TW 087120855A TW 87120855 A TW87120855 A TW 87120855A TW 502029 B TW502029 B TW 502029B
Authority
TW
Taiwan
Prior art keywords
acid
acetate
germany
reaction
vitamin
Prior art date
Application number
TW087120855A
Other languages
English (en)
Chinese (zh)
Inventor
Steffen Krill
Frank Hubner
Rainer Hahn
Horst Weigel
Klaus Huthmacher
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 TW502029B publication Critical patent/TW502029B/zh

Links

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
TW087120855A 1997-12-20 1998-12-15 Process for the production of Α-tocopherol esters TW502029B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19757124A DE19757124A1 (de) 1997-12-20 1997-12-20 Verfahren zur Herstellung von alpha-Tocopherolestern

Publications (1)

Publication Number Publication Date
TW502029B true TW502029B (en) 2002-09-11

Family

ID=7852911

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087120855A TW502029B (en) 1997-12-20 1998-12-15 Process for the production of Α-tocopherol esters

Country Status (12)

Country Link
US (1) US6048988A (en, 2012)
EP (1) EP0924208B1 (en, 2012)
JP (1) JPH11246549A (en, 2012)
CN (1) CN1136211C (en, 2012)
BR (1) BR9805589A (en, 2012)
CA (1) CA2256988A1 (en, 2012)
DE (2) DE19757124A1 (en, 2012)
ID (1) ID21588A (en, 2012)
IL (1) IL127634A (en, 2012)
IN (1) IN185169B (en, 2012)
TW (1) TW502029B (en, 2012)
YU (1) YU58298A (en, 2012)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2784104B1 (fr) * 1998-09-18 2002-12-27 Rhone Poulenc Nutrition Animal Procede de preparation de la vitamine e
DE19951006A1 (de) * 1999-10-22 2001-04-26 Degussa Verfahren zur Herstellung von veresterten Chromanverbindungen
DE10011402A1 (de) * 2000-03-09 2001-09-13 Degussa Verfahren zur Herstellung von alpha-Tocopherolestern
RU2201926C2 (ru) * 2000-06-22 2003-04-10 Ооо "Мдт" Полиэтиленгликолевые эфиры токоферола и способ их промышленного получения
KR100533304B1 (ko) * 2001-05-26 2005-12-05 주식회사 엘지생명과학 폴리에톡실화 알파 토코페롤 에스테르 유도체 및 이의제조방법
KR100787879B1 (ko) * 2002-02-27 2007-12-27 (주)아모레퍼시픽 항산화력을 갖는 토코페롤 유도체 및 그의 제조방법, 이를함유하는 화장료 조성물
EP1562929B1 (en) * 2002-11-21 2007-11-14 DSM IP Assets B.V. Manufacture of tocopheryl acetate
CN100344621C (zh) * 2003-01-13 2007-10-24 帝斯曼知识产权资产管理有限公司 α-生育酚乙酸酯的生产方法
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
CN113083339B (zh) * 2021-04-15 2022-11-08 万华化学(四川)有限公司 一种用于制备维生素e的催化剂及其制备方法和应用
CN116730804A (zh) * 2023-02-23 2023-09-12 吉林北沙制药有限公司 一种2,3,6-三甲基氢醌二乙酸酯的回收再利用方法
CN116535377B (zh) * 2023-05-04 2025-06-10 山东新和成精化科技有限公司 一种维生素e醋酸酯的制备工艺

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.
FR2259822A1 (en) * 1974-02-06 1975-08-29 Teijin Ltd Cpds. contg. chroman rings - from hydroquinones and carboxylic acid derivs in the presence of an insol solid acid catalyst
JPS5180859A (en) * 1975-01-11 1976-07-15 Teijin Ltd Arufua tokofuerooruruino seizoho
US5663376A (en) * 1994-07-27 1997-09-02 Eisai Co., Ltd. Process for the preparation of α-tocopherol

Also Published As

Publication number Publication date
ID21588A (id) 1999-06-24
EP0924208B1 (de) 2003-03-05
DE19757124A1 (de) 1999-06-24
IL127634A0 (en) 1999-10-28
YU58298A (sh) 2000-12-28
US6048988A (en) 2000-04-11
EP0924208A1 (de) 1999-06-23
CN1224012A (zh) 1999-07-28
BR9805589A (pt) 2000-04-11
IN185169B (en, 2012) 2000-12-02
CA2256988A1 (en) 1999-06-20
IL127634A (en) 2003-03-12
DE59807380D1 (de) 2003-04-10
CN1136211C (zh) 2004-01-28
JPH11246549A (ja) 1999-09-14

Similar Documents

Publication Publication Date Title
TW502029B (en) Process for the production of Α-tocopherol esters
US4665204A (en) Diester derivatives of tocopherol
KR20150080037A (ko) 고순도 및 결정질 다이메틸 푸마레이트의 제조 방법
US4219680A (en) Process for obtaining pure 2-(perfluoroalkyl)-ethanols from their mixtures with 2-(perfluoroalkyl)-ethylenes and possibly 2-(perfluoroalkyl)-ethyl esters
CA2751741A1 (en) Process for the preparation of (-) -delta 9-tetrahydrocannabinol
JPH04330063A (ja) アルキルイミダゾリドン(メタ)アクリレートの製造方法
JP2018505148A (ja) セニクリビロックの製造方法及び関連類似体
CN114436924A (zh) 一种羟基频哪酮视黄酸酯的合成方法
IL235441A (en) Process for the preparation of triazole compounds
CZ18797A3 (en) Process for preparing dichloride of 5-amino-2,4,6-triiodine-1,3-benzenedicarboxylic acid
JPH07507274A (ja) ビタミンeの製法
CN105646311B (zh) 一种制备β‑阿朴‑8’‑胡萝卜醛的方法
JPH01216976A (ja) 1―ヒドロキシアルキル―5―ニトロイミダゾールの製造方法
JPH07228590A (ja) 蔗糖脂肪酸エステルの製造方法
CN110054621A (zh) 一种利伐沙班中间体的制备方法
UA54487C2 (uk) Спосіб одержання епросартану (варіанти)
Doering et al. Delocalization energy of the cyanomethyl radical: Kinetics of thermal diastereoisomerization of cis-and trans-1, 2-dicyano-and 1, 2-dicyano-1-methylcyclopropanes
CA1173842A (en) Preparation of tocopheryl acetate and tocopheryl propionate
IL139178A (en) Process for preparing esterified chroman compounds
JPS6035347B2 (ja) α−トコフエロ−ルの合成法
KR19980024629A (ko) 알킬이미다졸리돈 (메트)아크릴레이트의 제조 방법
RU2098416C1 (ru) Способ получения dl-альфа-токоферола или его ацетата
JP5448363B2 (ja) 化合物の製造方法
CA1199927A (en) Alpha tocopherol process
JPS5943946B2 (ja) N−アルケニルモラノリン誘導体