BE535141A - - Google Patents

Info

Publication number
BE535141A
BE535141A BE535141DA BE535141A BE 535141 A BE535141 A BE 535141A BE 535141D A BE535141D A BE 535141DA BE 535141 A BE535141 A BE 535141A
Authority
BE
Belgium
Prior art keywords
boron trifluoride
mol
chloride
phytyl
condensing
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE535141A publication Critical patent/BE535141A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/58Benzo[b]pyrans, not hydrogenated in the carbocyclic ring other than with oxygen or sulphur atoms in position 2 or 4
    • C07D311/70Benzo[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
    • C07D311/723,4-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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE535141D BE535141A (OSRAM)

Publications (1)

Publication Number Publication Date
BE535141A true BE535141A (OSRAM)

Family

ID=166262

Family Applications (1)

Application Number Title Priority Date Filing Date
BE535141D BE535141A (OSRAM)

Country Status (1)

Country Link
BE (1) BE535141A (OSRAM)

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