JPS5817192B2 - アルフア−トコフエロ−ルセイゾウホウホウ - Google Patents

アルフア−トコフエロ−ルセイゾウホウホウ

Info

Publication number
JPS5817192B2
JPS5817192B2 JP48116411A JP11641173A JPS5817192B2 JP S5817192 B2 JPS5817192 B2 JP S5817192B2 JP 48116411 A JP48116411 A JP 48116411A JP 11641173 A JP11641173 A JP 11641173A JP S5817192 B2 JPS5817192 B2 JP S5817192B2
Authority
JP
Japan
Prior art keywords
tocopherol
tocopherols
alpha
orthophosphoric acid
formaldehyde
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
Application number
JP48116411A
Other languages
English (en)
Japanese (ja)
Other versions
JPS4972260A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
ウイリアム・エス・バルドイン
ケネス・ダブリユー・キーニイ
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.)
JENERARU MIRUZU CHEM Inc
Original Assignee
JENERARU MIRUZU CHEM Inc
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 JENERARU MIRUZU CHEM Inc filed Critical JENERARU MIRUZU CHEM Inc
Publication of JPS4972260A publication Critical patent/JPS4972260A/ja
Publication of JPS5817192B2 publication Critical patent/JPS5817192B2/ja
Expired 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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP48116411A 1972-10-20 1973-10-18 アルフア−トコフエロ−ルセイゾウホウホウ Expired JPS5817192B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00299482A US3819657A (en) 1972-10-20 1972-10-20 Methylation of tocopherols

Publications (2)

Publication Number Publication Date
JPS4972260A JPS4972260A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-07-12
JPS5817192B2 true JPS5817192B2 (ja) 1983-04-05

Family

ID=23155001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48116411A Expired JPS5817192B2 (ja) 1972-10-20 1973-10-18 アルフア−トコフエロ−ルセイゾウホウホウ

Country Status (8)

Country Link
US (1) US3819657A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5817192B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE806242A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA983513A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2351272C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2203812B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1445436A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7314218A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53111069A (en) * 1977-03-09 1978-09-28 Tama Seikagaku Kenkyusho Kk Method of introducing methyl group to nonnalphaatocopherol
US4239691A (en) * 1979-06-04 1980-12-16 Eastman Kodak Company Conversion of non-alpha-tocopherols to alpha-tocopherols
EP0159018A3 (en) * 1984-04-17 1986-10-01 HENKEL CORPORATION (a Delaware corp.) Production of d-alpha-tocopherol from natural plant sources
EP0178400A1 (en) * 1984-09-25 1986-04-23 HENKEL CORPORATION (a Delaware corp.) Methylation of non-alpha-tocopherol compounds
DE3813624A1 (de) * 1988-04-22 1989-11-02 Basf Ag Verfahren zur herstellung von d-(alpha)-tocopherol aus natuerlichen vorprodukten
EP0531639B1 (en) * 1991-07-18 1999-09-01 F. Hoffmann-La Roche Ag Tocopherol cyclase
US5504220A (en) * 1995-08-17 1996-04-02 Eastman Chemical Company Preparation of α-tocopherol
DK0769497T3 (da) * 1995-10-18 2003-04-07 Hoffmann La Roche Hydroxymethylering af tocopheroler
US5932748A (en) * 1997-06-06 1999-08-03 Roche Vitamins Inc. Process for permethylating non-α-tocopherols to produce α-tocopherol
US20030219465A1 (en) * 2002-05-23 2003-11-27 Suresh Kumar Gidwani Composition for delivery of dithranol

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992235A (en) * 1956-10-15 1961-07-11 Vitamins Ltd Materials having vitamin e activity
GB1031495A (en) * 1964-01-24 1966-06-02 Eisai Co Ltd Process for producing ª‡-tocopherol having a high vitamin e activity
US3402182A (en) * 1966-04-28 1968-09-17 Eisai Co Ltd Method of isolating and refining tocopherol homologues
US3631068A (en) * 1969-12-15 1971-12-28 Eastman Kodak Co Process for converting a mixed tocopherol concentrate to essentially all alpha-tocopherol

Also Published As

Publication number Publication date
FR2203812B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-05-27
US3819657A (en) 1974-06-25
FR2203812A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-05-17
GB1445436A (en) 1976-08-11
NL7314218A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-04-23
DE2351272C2 (de) 1984-10-25
JPS4972260A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-07-12
BE806242A (fr) 1974-02-15
CA983513A (en) 1976-02-10
DE2351272A1 (de) 1974-05-02

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