DK123479B - Process for the preparation of chromanols. - Google Patents

Process for the preparation of chromanols.

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
Danish (da)
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/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/06—Aluminium compounds
    • C07F5/069—Aluminium compounds without C-aluminium linkages
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/64—Preparation of O-metal compounds with O-metal group bound to a carbon atom belonging to a six-membered aromatic ring
    • C07C37/66—Preparation 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
    • C07C39/02—Compounds 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
    • C07C39/08—Dihydroxy benzenes; Alkylated derivatives thereof
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00—Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/02—Boron compounds
    • C07F5/022—Boron 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 Process for the preparation of chromanols. DK123479B (en)

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 (en) 1972-06-26

Family

ID=27108095

Family Applications (1)

Application Number Title Priority Date Filing Date
DK98669A DK123479B (en) 1968-02-27 1969-02-21 Process for the preparation of chromanols.

Country Status (11)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606830C3 (en) * 1976-02-20 1981-08-27 Basf Ag, 6700 Ludwigshafen Process for the production of tocopherol
JPS59191553A (en) * 1983-04-14 1984-10-30 Nippon Kokan Kk <Nkk> Header pipe for billet cooler of continuous casting machine for round billet
JP3839071B2 (en) * 1993-12-07 2006-11-01 有限会社ケムフィズ Chroman derivatives
ES2264230T3 (en) * 1998-04-06 2006-12-16 Dsm Ip Assets B.V. PROCEDURE FOR THE OBTAINING OF D, 1-ALFA-TOCOPHEROL, IN A CARBONATE SOLVENT AND IN THE PRESENCE OF AN ACID CATALYST CONTAINING SULFUR.

Also Published As

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

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