JPH0435473B2 - - Google Patents

Info

Publication number
JPH0435473B2
JPH0435473B2 JP58137873A JP13787383A JPH0435473B2 JP H0435473 B2 JPH0435473 B2 JP H0435473B2 JP 58137873 A JP58137873 A JP 58137873A JP 13787383 A JP13787383 A JP 13787383A JP H0435473 B2 JPH0435473 B2 JP H0435473B2
Authority
JP
Japan
Prior art keywords
acid
amine
group
tocopherol
strong
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 - Lifetime
Application number
JP58137873A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5962582A (ja
Inventor
Roorensu Fuinan Jefurii
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.)
BASF Corp
Original Assignee
BASF Corp
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 BASF Corp filed Critical BASF Corp
Publication of JPS5962582A publication Critical patent/JPS5962582A/ja
Publication of JPH0435473B2 publication Critical patent/JPH0435473B2/ja
Granted 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP58137873A 1982-07-29 1983-07-29 α−トコフエロ−ルの製法 Granted JPS5962582A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US403085 1982-07-29
US06/403,085 US4639533A (en) 1982-07-29 1982-07-29 Alpha tocopherol process
US430154 1999-10-29

Publications (2)

Publication Number Publication Date
JPS5962582A JPS5962582A (ja) 1984-04-10
JPH0435473B2 true JPH0435473B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-06-11

Family

ID=23594421

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58137873A Granted JPS5962582A (ja) 1982-07-29 1983-07-29 α−トコフエロ−ルの製法

Country Status (3)

Country Link
US (1) US4639533A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5962582A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1177089A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733977B1 (fr) * 1995-05-10 1997-07-04 Rhone Poulenc Nutrition Animal Procede de preparation de phenols substitues
JP2002502360A (ja) * 1996-01-29 2002-01-22 ビーエーエスエフ アクチェンゲゼルシャフト ｄｌα―トコフェロールまたは酢酸ｄｌ―α―トコフェリルの製造方法
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
KR100452291B1 (ko) * 1999-12-14 2004-10-08 에스케이 주식회사 고수율 및 고순도로 ＤＬ-α-토코페롤를 제조하는 방법
KR100408991B1 (ko) * 2000-03-23 2003-12-11 에스케이 주식회사 ＤＬ-α-토코페롤 아세테이트의 제조방법
KR100413373B1 (ko) * 2000-03-23 2003-12-31 에스케이 주식회사 ＤＬ-α-토코페롤 아세테이트의 제조방법
WO2002034738A1 (en) 2000-10-23 2002-05-02 Sk Corporation Method for preparing dl-alpha-tocopherol with high yield

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606830C3 (de) * 1976-02-20 1981-08-27 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Tocopherol
US4191692A (en) * 1976-02-20 1980-03-04 Basf Aktiengesellschaft Manufacture of tocopherol
US4217285A (en) * 1976-09-29 1980-08-12 Nisshin Flour Milling Co., Ltd. Process for the preparation of Dl-α-tocopherol of high purity
US4208334A (en) * 1978-12-22 1980-06-17 Hoffmann-La Roches Inc. Process for preparation of α-tocopherol

Also Published As

Publication number Publication date
JPS5962582A (ja) 1984-04-10
US4639533A (en) 1987-01-27
CA1177089A (en) 1984-10-30

Similar Documents

Publication Publication Date Title
Corey et al. A new synthesis of ketones
JP4294875B2 (ja) トリエタノールアミンを精製する方法
JPH0435473B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
Surrey et al. The role of phenol in the reaction of 4, 7-dichloroquinoline with novol diamine
JPH11511119A (ja) ３−（メチルチオ）プロパナールと２−ヒドロキシ−４−（メチルチオ）ブタンニトリルの合成方法
NO171631B (no) Fremgangsmaate for fremstilling av deuterert benzaldehyd og derivater derav
US3790580A (en) Bis-4-oxo-4h-1-benzopyrans
US4634781A (en) Alpha tocopherol process
JP4510161B2 (ja) α−トコフェロールまたはα−トコフェリールアセテートの製造方法
US6066745A (en) Process for the synthesis of vitamin E
HU206132B (en) Process for producing halogenated anilines and stable compositions comprising same
US4208334A (en) Process for preparation of α-tocopherol
JPH11246549A (ja) α−トコフェロールエステルの製造方法
JP4013334B2 (ja) エポキシシクロドデカジエンの製造方法
EP0100471B1 (en) Alpha tocopherol process
JPS5817192B2 (ja) アルフア−トコフエロ−ルセイゾウホウホウ
US4191692A (en) Manufacture of tocopherol
JPS6035347B2 (ja) α−トコフエロ−ルの合成法
JP2774834B2 (ja) ピリダジノン類の製造方法
Norris et al. 2-Guanidino-4 (5)-p-chlorophenylimidazoles
JPH03100016A (ja) ポリマレイミド化合物の製造方法
JP2950948B2 (ja) ３―メチルキノリン―８―カルボン酸の製造法
US4703057A (en) Beta-blocking thiochroman derivatives, compositions and method of use therefor
JPS6330906B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0137381B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)