GB541011A - Process for the production of dl-a-tocopherol - Google Patents

Process for the production of dl-a-tocopherol

Info

Publication number
GB541011A
GB541011A GB788340A GB788340A GB541011A GB 541011 A GB541011 A GB 541011A GB 788340 A GB788340 A GB 788340A GB 788340 A GB788340 A GB 788340A GB 541011 A GB541011 A GB 541011A
Authority
GB
United Kingdom
Prior art keywords
tocopherol
production
prepared
monophytyl
pollak
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
GB788340A
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
Priority to GB788340A priority Critical patent/GB541011A/en
Publication of GB541011A publication Critical patent/GB541011A/en
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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)

Abstract

541,011. Vitamins. HOFFMANN-LA ROCHE & CO., AKT.-GES., F., and POLLAK, J. E. March 18, 1939, No. 7883/40. Divided out of and addition to 539,697. [Class 2 (iii)] dl-oc-Tocopherol having vitamin E activity is prepared by heating trimethylhydroquinone monophytyl ether, prepared according to Specification 527,006, to effect re-arrangement and then treating the product with an acidic condensing agent such as zinc chloride. An example is given. Specification 526,884 also is referred to.
GB788340A 1939-03-18 1939-03-18 Process for the production of dl-a-tocopherol Expired GB541011A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB788340A GB541011A (en) 1939-03-18 1939-03-18 Process for the production of dl-a-tocopherol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB788340A GB541011A (en) 1939-03-18 1939-03-18 Process for the production of dl-a-tocopherol

Publications (1)

Publication Number Publication Date
GB541011A true GB541011A (en) 1941-11-10

Family

ID=9841620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB788340A Expired GB541011A (en) 1939-03-18 1939-03-18 Process for the production of dl-a-tocopherol

Country Status (1)

Country Link
GB (1) GB541011A (en)

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