GB1086183A - Process for preparing f,8-dimethoxy-2,5-dimethyl-b-hydroxy-2-(4',8',12'-trimethyl-tridecyl) chroman - Google Patents

Process for preparing f,8-dimethoxy-2,5-dimethyl-b-hydroxy-2-(4',8',12'-trimethyl-tridecyl) chroman

Info

Publication number
GB1086183A
GB1086183A GB50122/64A GB5012264A GB1086183A GB 1086183 A GB1086183 A GB 1086183A GB 50122/64 A GB50122/64 A GB 50122/64A GB 5012264 A GB5012264 A GB 5012264A GB 1086183 A GB1086183 A GB 1086183A
Authority
GB
United Kingdom
Prior art keywords
dimethoxy
chroman
hydroxy
dimethyl
tridecyl
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
GB50122/64A
Other languages
English (en)
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 GB1086183A publication Critical patent/GB1086183A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
GB50122/64A 1963-12-20 1964-12-09 Process for preparing f,8-dimethoxy-2,5-dimethyl-b-hydroxy-2-(4',8',12'-trimethyl-tridecyl) chroman Expired GB1086183A (en)

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
GB1086183A true GB1086183A (en) 1967-10-04

Family

ID=26988148

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50122/64A Expired GB1086183A (en) 1963-12-20 1964-12-09 Process for preparing f,8-dimethoxy-2,5-dimethyl-b-hydroxy-2-(4',8',12'-trimethyl-tridecyl) chroman

Country Status (7)

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

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.
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
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

Family Cites Families (11)

* 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
BE581501A (fr) * 1958-08-27 1960-02-08 Merck & Co Inc Composés benzoquinoniques et leur préparation.
AT215995B (de) * 1958-11-07 1961-07-10 Hoffmann La Roche Verfahren zur Herstellung von neuen Chromanderivaten
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
AT246437B (de) * 1961-05-29 1966-04-25 Axel Richard Dr Techn Wejnarth Gesinterte Legierung

Also Published As

Publication number Publication date
US3364234A (en) 1968-01-16
NL6414659A (https=) 1965-06-21
CH439323A (de) 1967-07-15
FR1583155A (https=) 1969-10-24
DE1300571B (de) 1969-08-07
BR6465394D0 (pt) 1973-09-11

Similar Documents

Publication Publication Date Title
GB1086183A (en) Process for preparing f,8-dimethoxy-2,5-dimethyl-b-hydroxy-2-(4',8',12'-trimethyl-tridecyl) chroman
FR1335831A (fr) Procédé de préparation de nu-(3, 3-diphényl-3-alcanoyl)-propylspiro
FR1319890A (fr) Procédé de préparation de polybutadiène-1,4-cis
FR1338606A (fr) Procédé de préparation de cis-1, 4-polybutadiène
ES314147A1 (es) Un procedimiento para la polimerizacion ionogenica catalitica de lactamas.
CA677178A (en) Process for the production of 6-(2',6',6'-trimethylcyclohexenyl-1')-4-methyl-hexa-3,5-diene-1-yne
GB946717A (en) Tape readers for line casting machines
CA611764A (en) Process for irradiating flat stock organic polymers
GB1213746A (en) Improvements relating to apparatus for automatically manufacturing an annular ribbon
FR1405507A (fr) Procédé pour la préparation de dérivés de chromane
FR1296497A (fr) Procédé perfectionné de préparation de la vitamine b
CA661439A (en) PROCESS FOR PRODUCING 1,8-DIOXIMINO-4,7-METHANO-3.alpha.,4,7.alpha.-TETRAHYDROINDENE
FR1405725A (fr) Procédé de préparation de la 5, 5-diméthyl-4-iminohydantoine
CA616945A (en) Method for the production of continuous filaments of high vapor pressure metals
FR1311347A (fr) Procédé de préparation de l'alpha-thénoate de gamma-(diméthyl-2, 5 pyrryl-1)-propyle
AU248093B2 (en) Process for purifying 4, 4' dihydroxydiphenylpropane
ES290201A1 (es) Procedimiento para la produccion de hexahidroverrucarina a
ES381699A1 (es) Procedimiento de purificacion de la ampicilina trihidrato.
GB1074730A (en) Process for the production of 2,4-di-(hydroxycyclohexyl)-2-methyl-pentanes
CA612648A (en) Process for irradiating flat stock organic polymers
FR1439819A (fr) Procédé de préparation des nu, nu'-dibenzyléthylènediamine-tétracyclines
CA628503A (en) Process for preparing 1,3,5-triphenyl-benzene
AU438561A (en) Process for preparing 2, 2'alkylenebis-areneimidazoles
CA661363A (en) Process for producing n,n'-di-tertiary-hydrocarbyl-oxamides
BE603382A (fr) Procédé de préparation de 4,4'-diamino-1,1'-dianthraquinonyles.