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DK123479B - Fremgangsmåde til fremstilling af chromanoler. - Google Patents

Fremgangsmåde til fremstilling af chromanoler.

Info

Publication number
DK123479B
DK123479B DK98669A DK98669A DK123479B DK 123479 B DK123479 B DK 123479B DK 98669 A DK98669 A DK 98669A DK 98669 A DK98669 A DK 98669A DK 123479 B DK123479 B DK 123479B
Authority
DK
Denmark
Prior art keywords
chromanols
preparation
Prior art date
Application number
DK98669A
Other languages
English (en)
Inventor
W Metlesics
P Wehrli
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of DK123479B publication Critical patent/DK123479B/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/06Aluminium compounds
    • C07F5/069Aluminium compounds without C-aluminium linkages
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/64Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring
    • C07C37/66Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring by conversion of hydroxy groups to O-metal groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/02Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring monocyclic with no unsaturation outside the aromatic ring
    • C07C39/08Dihydroxy benzenes; Alkylated derivatives thereof
    • 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02Boron compounds
    • C07F5/022Boron compounds without C-boron linkages

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyrane Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK98669A 1968-02-27 1969-02-21 Fremgangsmåde til fremstilling af chromanoler. DK123479B (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70849568A 1968-02-27 1968-02-27
US77719968A 1968-11-19 1968-11-19

Publications (1)

Publication Number Publication Date
DK123479B true DK123479B (da) 1972-06-26

Family

ID=27108095

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98669A DK123479B (da) 1968-02-27 1969-02-21 Fremgangsmåde til fremstilling af chromanoler.

Country Status (11)

Country Link
JP (1) JPS5123508B1 (da)
AT (1) AT305500B (da)
BE (1) BE728938A (da)
BR (1) BR6906644D0 (da)
CH (1) CH506516A (da)
DE (1) DE1909164C3 (da)
DK (1) DK123479B (da)
FR (1) FR2002683A1 (da)
GB (1) GB1204840A (da)
NL (1) NL6902922A (da)
SE (1) SE359092B (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606830C3 (de) * 1976-02-20 1981-08-27 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Tocopherol
JPS59191553A (ja) * 1983-04-14 1984-10-30 Nippon Kokan Kk <Nkk> 丸ビレツト連続鋳造機のビレツト冷却装置用ヘツダ管
JP3839071B2 (ja) * 1993-12-07 2006-11-01 有限会社ケムフィズ クロマン誘導体
DE69931421T2 (de) * 1998-04-06 2006-11-09 Dsm Ip Assets B.V. Verfahren zur Herstellung von d,l-alpha-Tocopherol in einem Carbonat-Lösungsmittel und in Anwesenheit eines sauren schwefelhaltigen Katalysators

Also Published As

Publication number Publication date
GB1204840A (en) 1970-09-09
AT305500B (de) 1973-02-26
NL6902922A (da) 1969-08-29
FR2002683A1 (da) 1969-10-31
BR6906644D0 (pt) 1973-02-08
CH506516A (de) 1971-04-30
BE728938A (da) 1969-08-26
DE1909164C3 (de) 1979-07-26
SE359092B (da) 1973-08-20
DE1909164B2 (de) 1978-11-23
JPS5123508B1 (da) 1976-07-17
DE1909164A1 (de) 1969-10-09

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