FR857340A - Process for preparing dl-tocopherols - Google Patents

Process for preparing dl-tocopherols

Info

Publication number
FR857340A
FR857340A FR857340DA FR857340A FR 857340 A FR857340 A FR 857340A FR 857340D A FR857340D A FR 857340DA FR 857340 A FR857340 A FR 857340A
Authority
FR
France
Prior art keywords
tocopherols
preparing
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR857340A publication Critical patent/FR857340A/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)
FR857340D 1938-04-01 1939-02-18 Process for preparing dl-tocopherols Expired FR857340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH857340X 1938-04-01

Publications (1)

Publication Number Publication Date
FR857340A true FR857340A (en) 1940-09-06

Family

ID=4542797

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857340D Expired FR857340A (en) 1938-04-01 1939-02-18 Process for preparing dl-tocopherols

Country Status (1)

Country Link
FR (1) FR857340A (en)

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