DE1300571B - Verfahren zur Herstellung von 7, 8-Dimethoxy-2, 5-dimethyl-6-oxy-2-(4', 8', 12'-trimethyltridecyl)-chroman - Google Patents

Verfahren zur Herstellung von 7, 8-Dimethoxy-2, 5-dimethyl-6-oxy-2-(4', 8', 12'-trimethyltridecyl)-chroman

Info

Publication number
DE1300571B
DE1300571B DEM63325A DEM0063325A DE1300571B DE 1300571 B DE1300571 B DE 1300571B DE M63325 A DEM63325 A DE M63325A DE M0063325 A DEM0063325 A DE M0063325A DE 1300571 B DE1300571 B DE 1300571B
Authority
DE
Germany
Prior art keywords
dimethoxy
oxy
dimethyl
trimethyltridecyl
methyl
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.)
Pending
Application number
DEM63325A
Other languages
German (de)
English (en)
Inventor
Schoenewaldt Erwin Frederick
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.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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 Merck and Co Inc filed Critical Merck and Co Inc
Publication of DE1300571B publication Critical patent/DE1300571B/de
Pending 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
DEM63325A 1963-12-20 1964-12-02 Verfahren zur Herstellung von 7, 8-Dimethoxy-2, 5-dimethyl-6-oxy-2-(4', 8', 12'-trimethyltridecyl)-chroman Pending DE1300571B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33228763A 1963-12-20 1963-12-20
US605211A US3364234A (en) 1963-12-20 1966-12-28 Chroman compounds and preparation of same

Publications (1)

Publication Number Publication Date
DE1300571B true DE1300571B (de) 1969-08-07

Family

ID=26988148

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM63325A Pending DE1300571B (de) 1963-12-20 1964-12-02 Verfahren zur Herstellung von 7, 8-Dimethoxy-2, 5-dimethyl-6-oxy-2-(4', 8', 12'-trimethyltridecyl)-chroman

Country Status (7)

Country Link
US (1) US3364234A (enExample)
BR (1) BR6465394D0 (enExample)
CH (1) CH439323A (enExample)
DE (1) DE1300571B (enExample)
FR (1) FR1583155A (enExample)
GB (1) GB1086183A (enExample)
NL (1) NL6414659A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH475977A (de) * 1965-10-12 1969-07-31 Hoffmann La Roche Verfahren zur Herstellung eines Chromanderivates
US3459773A (en) * 1966-12-27 1969-08-05 Takasago Perfumery Co Ltd Process for producing alpha-tocopherol and its esters
CH547278A (de) * 1971-01-11 1974-03-29 Hoffmann La Roche Verfahren zur herstellung von chromanderivaten.
US3903317A (en) * 1974-04-29 1975-09-02 Hoffmann La Roche Preservation of foodstuffs with synergistic antioxidant composition comprising ascorbic acid and 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid
US3986980A (en) * 1974-04-29 1976-10-19 Hoffmann-La Roche Inc. Synergistic antioxidant composition comprising ascorbic acid and 6-hydroxy-2,5,7,8-tetramethylchroman-2- carboxylic acid

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB870638A (en) * 1958-11-07 1961-06-14 Hoffmann La Roche Derivatives of 2,3-dimethoxy-5-methyl benzohydroquinone-(1,4) and a process for the manufacture thereof
US3026330A (en) * 1960-05-09 1962-03-20 Merck & Co Inc Chroman compounds having antioxidant activity
GB927531A (en) * 1958-08-27 1963-05-29 Merck & Co Inc Substituted benzoquinones and hydroquinones and their preparation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA577760A (en) * 1959-06-16 Pittsburgh Plate Glass Company Preparation of phenolic alcohols
CA453166A (en) * 1948-12-07 Isler Otto Dl-tocopherols and process for the manufacture of same
DE731972C (de) * 1938-04-01 1943-02-25 Hoffmann La Roche Verfahren zur Darstellung von d 1-Tocopherolen
GB529082A (en) * 1938-05-31 1940-11-13 Univ Minnesota Improvements in chromanes and method of producing the same
DE713749C (de) * 1938-07-20 1941-11-15 Hoffmann La Roche & Co Akt Ges Verfahren zur Darstellung von Kondensationsprodukten
DE711332C (de) * 1938-12-07 1941-09-30 Merck Chem Fab E Verfahren zur Herstellung von Chromanen
AT215995B (de) * 1958-11-07 1961-07-10 Hoffmann La Roche Verfahren zur Herstellung von neuen Chromanderivaten
AT246437B (de) * 1961-05-29 1966-04-25 Axel Richard Dr Techn Wejnarth Gesinterte Legierung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB927531A (en) * 1958-08-27 1963-05-29 Merck & Co Inc Substituted benzoquinones and hydroquinones and their preparation
GB870638A (en) * 1958-11-07 1961-06-14 Hoffmann La Roche Derivatives of 2,3-dimethoxy-5-methyl benzohydroquinone-(1,4) and a process for the manufacture thereof
US3026330A (en) * 1960-05-09 1962-03-20 Merck & Co Inc Chroman compounds having antioxidant activity

Also Published As

Publication number Publication date
FR1583155A (enExample) 1969-10-24
CH439323A (de) 1967-07-15
BR6465394D0 (pt) 1973-09-11
GB1086183A (en) 1967-10-04
NL6414659A (enExample) 1965-06-21
US3364234A (en) 1968-01-16

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