ES545840A0 - Procedimiento mejorado para producir alfa-tocoferol a partirde tocoferol no alfa - Google Patents

Procedimiento mejorado para producir alfa-tocoferol a partirde tocoferol no alfa

Info

Publication number
ES545840A0
ES545840A0 ES545840A ES545840A ES545840A0 ES 545840 A0 ES545840 A0 ES 545840A0 ES 545840 A ES545840 A ES 545840A ES 545840 A ES545840 A ES 545840A ES 545840 A0 ES545840 A0 ES 545840A0
Authority
ES
Spain
Prior art keywords
tocoferol
alpha
improved procedure
producing
producing alpha
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.)
Granted
Application number
ES545840A
Other languages
English (en)
Other versions
ES8607273A1 (es
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.)
Henkel Corp
Original Assignee
Henkel 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 Henkel Corp filed Critical Henkel Corp
Publication of ES8607273A1 publication Critical patent/ES8607273A1/es
Publication of ES545840A0 publication Critical patent/ES545840A0/es
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)
ES545840A 1984-09-25 1985-08-02 Procedimiento mejorado para producir alfa-tocoferol a partirde tocoferol no alfa Expired ES8607273A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US65434384A 1984-09-25 1984-09-25
US67277484A 1984-11-19 1984-11-19

Publications (2)

Publication Number Publication Date
ES8607273A1 ES8607273A1 (es) 1986-06-01
ES545840A0 true ES545840A0 (es) 1986-06-01

Family

ID=27096721

Family Applications (1)

Application Number Title Priority Date Filing Date
ES545840A Expired ES8607273A1 (es) 1984-09-25 1985-08-02 Procedimiento mejorado para producir alfa-tocoferol a partirde tocoferol no alfa

Country Status (2)

Country Link
EP (1) EP0178400A1 (es)
ES (1) ES8607273A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3813624A1 (de) * 1988-04-22 1989-11-02 Basf Ag Verfahren zur herstellung von d-(alpha)-tocopherol aus natuerlichen vorprodukten
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
DE10346037A1 (de) * 2003-10-02 2005-04-28 Basf Ag Herstellung von alpha-Tocopherol aus nicht alpha-Tocopherole enthaltendem Rohmaterial

Family Cites Families (3)

* 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
US3631068A (en) * 1969-12-15 1971-12-28 Eastman Kodak Co Process for converting a mixed tocopherol concentrate to essentially all alpha-tocopherol
US3819657A (en) * 1972-10-20 1974-06-25 Gen Mills Chem Inc Methylation of tocopherols

Also Published As

Publication number Publication date
EP0178400A1 (en) 1986-04-23
ES8607273A1 (es) 1986-06-01

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