JP2000044556A - ｄ，ｌ―アルファ―トコフェロ―ルの製造 - Google Patents

ｄ，ｌ―アルファ―トコフェロ―ルの製造

Info

Publication number
JP2000044556A
JP2000044556A JP11194076A JP19407699A JP2000044556A JP 2000044556 A JP2000044556 A JP 2000044556A JP 11194076 A JP11194076 A JP 11194076A JP 19407699 A JP19407699 A JP 19407699A JP 2000044556 A JP2000044556 A JP 2000044556A
Authority
JP
Japan
Prior art keywords
acid
tocopherol
condensation
isophytol
phytol
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.)
Withdrawn
Application number
JP11194076A
Other languages
English (en)
Japanese (ja)
Inventor
Fabrice Aquino
ファーブリース・アクィノ
Bonrart Werner
ヴェルナー・ボンラート
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.)
F Hoffmann La Roche AG
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
Publication of JP2000044556A publication Critical patent/JP2000044556A/ja
Withdrawn legal-status Critical Current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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP11194076A 1998-07-10 1999-07-08 ｄ，ｌ―アルファ―トコフェロ―ルの製造 Withdrawn JP2000044556A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98112842 1998-07-10
EP98112842.4 1998-07-10

Publications (1)

Publication Number Publication Date
JP2000044556A true JP2000044556A (ja) 2000-02-15

Family

ID=8232254

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11194076A Withdrawn JP2000044556A (ja) 1998-07-10 1999-07-08 ｄ，ｌ―アルファ―トコフェロ―ルの製造

Country Status (8)

Country Link
US (1) US6452023B1 (enExample)
JP (1) JP2000044556A (enExample)
KR (1) KR20000011530A (enExample)
CN (1) CN1245399C (enExample)
BR (1) BR9902781A (enExample)
CA (1) CA2276921A1 (enExample)
DE (1) DE69920586T2 (enExample)
IN (1) IN188479B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021534157A (ja) * 2018-08-17 2021-12-09 ビーエイエスエフ・ソシエタス・エウロパエアBasf Se クロマノール誘導体の合成
JP2021534159A (ja) * 2018-08-17 2021-12-09 ビーエイエスエフ・ソシエタス・エウロパエアBasf Se クロマノール及び２−メチル−１，４−ナフトキノン誘導体の合成

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6930191B2 (en) 2002-10-10 2005-08-16 Cognis Corporation Methods of preparing tocopherol compound salts in supercritical media
KR20180050818A (ko) * 2016-11-07 2018-05-16 박종세 다목적 물꼬의 원격 수위 조절장치
CN111646968B (zh) * 2020-05-28 2022-04-22 万华化学集团股份有限公司 一种制备维生素e的方法
CN116987057A (zh) * 2023-06-16 2023-11-03 江苏宏邦化工科技有限公司 一种维生素e乙酸酯的合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5663376A (en) 1994-07-27 1997-09-02 Eisai Co., Ltd. Process for the preparation of α-tocopherol
CN1211243A (zh) 1996-01-29 1999-03-17 Basf公司 dl－α－生育酚或乙酸dl－α－生育酚酯的制备

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021534157A (ja) * 2018-08-17 2021-12-09 ビーエイエスエフ・ソシエタス・エウロパエアBasf Se クロマノール誘導体の合成
JP2021534159A (ja) * 2018-08-17 2021-12-09 ビーエイエスエフ・ソシエタス・エウロパエアBasf Se クロマノール及び２−メチル−１，４−ナフトキノン誘導体の合成
JP7483682B2 (ja) 2018-08-17 2024-05-15 ビーエーエスエフ ソシエタス・ヨーロピア クロマノール及び２－メチル－１，４－ナフトキノン誘導体の合成
JP7483681B2 (ja) 2018-08-17 2024-05-15 ビーエーエスエフ ソシエタス・ヨーロピア クロマノール誘導体の合成
US12103918B2 (en) 2018-08-17 2024-10-01 Basf Se Synthesis of chromanol derivatives
US12168649B2 (en) 2018-08-17 2024-12-17 Basf Se Synthesis of chromanol and 2-methyl-1,4-naphthoquinone derivatives

Also Published As

Publication number Publication date
CN1245399C (zh) 2006-03-15
US6452023B1 (en) 2002-09-17
DE69920586D1 (de) 2004-11-04
IN188479B (enExample) 2002-09-28
BR9902781A (pt) 2000-05-16
CA2276921A1 (en) 2000-01-10
KR20000011530A (ko) 2000-02-25
DE69920586T2 (de) 2005-11-03
CN1241566A (zh) 2000-01-19

Similar Documents

Publication Publication Date Title
EP0970953B1 (en) Manufacture of d,1-alpha-tocopherol
EP0949255B1 (en) Process for manufacturing d, l-alpha-tocopherol in a carbonate solvent and in the presence of a sulphur-containing acid catalyst
US5468883A (en) Preparation of vitamin E
EP1134218B1 (en) Process for manufacturing (all-rac.)-alpha-Tocopherol
JP2000044556A (ja) ｄ，ｌ―アルファ―トコフェロ―ルの製造
JP2002128775A (ja) （全−ｒａｃ）−α−トコフェロールの製造方法
JP2000143656A (ja) ｄ，ｌ―α―トコフェロ―ルの製造方法
IL141862A (en) Process for the preparation of a-tocopherol acetate
EP1132384B1 (en) Process for the production of alpha-tocopherol acetate by condensation of trimethylhydroquinone with isophytol
US7153984B2 (en) Manufacture of α-tocopherol
WO2003070718A1 (en) MANUFACTURE OF (ALL-RAC)-α-TOCOPHEROL
US6700002B2 (en) Process for making vitamin E using hydrogen-tris(oxalato) phosphate

Legal Events

Date Code Title Description
A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20040319

A300 Application deemed to be withdrawn because no request for examination was validly filed

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20061003