[go: up one dir, main page]

GB900085A - A process for the manufacture of deltatocopherol - Google Patents

A process for the manufacture of deltatocopherol

Info

Publication number
GB900085A
GB900085A GB1489261A GB1489261A GB900085A GB 900085 A GB900085 A GB 900085A GB 1489261 A GB1489261 A GB 1489261A GB 1489261 A GB1489261 A GB 1489261A GB 900085 A GB900085 A GB 900085A
Authority
GB
United Kingdom
Prior art keywords
acid
phytol
effected
reaction
diazonium salt
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
GB1489261A
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of GB900085A publication Critical patent/GB900085A/en
Expired legal-status Critical Current

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)
  • Pyrane Compounds (AREA)
GB1489261A 1960-04-29 1961-04-25 A process for the manufacture of deltatocopherol Expired GB900085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH496360A CH390939A (de) 1960-04-29 1960-04-29 Verfahren zur Herstellung von D-Tocopherol

Publications (1)

Publication Number Publication Date
GB900085A true GB900085A (en) 1962-07-04

Family

ID=4285570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1489261A Expired GB900085A (en) 1960-04-29 1961-04-25 A process for the manufacture of deltatocopherol

Country Status (4)

Country Link
BE (1) BE602801A (fr)
CH (1) CH390939A (fr)
ES (1) ES266986A1 (fr)
GB (1) GB900085A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993002661A1 (fr) 1991-08-01 1993-02-18 Lvmh Recherche Utilisation d'un phosphate de tocopherol, ou de l'un de ses derives, pour la preparation de compositions cosmetiques ou pharmaceutiques et compositions ainsi obtenues
US5373028A (en) * 1991-08-20 1994-12-13 The Dow Chemical Company Polyurethane foams having reduced visible emissions during curing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993002661A1 (fr) 1991-08-01 1993-02-18 Lvmh Recherche Utilisation d'un phosphate de tocopherol, ou de l'un de ses derives, pour la preparation de compositions cosmetiques ou pharmaceutiques et compositions ainsi obtenues
US5373028A (en) * 1991-08-20 1994-12-13 The Dow Chemical Company Polyurethane foams having reduced visible emissions during curing

Also Published As

Publication number Publication date
BE602801A (fr) 1961-10-20
CH390939A (de) 1965-04-30
ES266986A1 (es) 1961-11-01

Similar Documents

Publication Publication Date Title
GB900085A (en) A process for the manufacture of deltatocopherol
AR241160A2 (es) Procedimiento para la preparacion de (r)-(-)-2,2'-dimetil-1,3-dioxolano-4-metanol
GB898005A (en) Improvements in photographic colour development
ES449299A1 (es) Procedimiento para reducir la solubilidad en agua del alco- hol polivinilico.
GB965177A (en) Method of reclaiming rubber
GB924299A (en) Process for the manufacture of 2,3,4,5-tetrachlorophenol
GB987947A (en) Process for the production of hydroxy benzaldehydes
GB1422443A (en) Process for the production of benzocycloheptathiophenone derivative
Byrne et al. A facile porphyrin esterification/etherification procedure
GB872286A (en) Production of corundum
Burstein et al. β, β, β-Trifluorolactic acid
GB933821A (en) Improvements in or relating to glass fabrics and fibres and methods of preparing thesame
NO156696C (no) Fremgangsmaate for stripping av metallinnholdet fra et vaeskeformig organisk medium inneholdende metall-ioner.
ES266987A1 (es) Un procedimiento para la preparaciën de delta-tocoferol
GB917006A (en) Reduction of organic compounds
李改云 et al. An investigation into the oxidation and degradation of phenol in water by natural cryptomelane
GB1110951A (en) Method of preparation of ammonium phosphotungstate and product obtained
FR2321451B1 (fr)
ES447636A1 (es) Metodo de producir 3,5-deterbutil-4-hidroxibenzaldeludo.
GB1103618A (en) Production of enamelled steel articles
GB887819A (en) Unsaturated aldehydes of the vitamin a series
GB879247A (en) Method of preparing a diphenylmethane derivative
YU Impact Factors Analysis of Energy Consumption in Residents' Life in China: Based on Urban-rural Dualistic Structure
FR2347383A1 (fr) Procede nouveau de preparation de 6b, 7-methylene-3-oxo-steroides insatures en 4
GB867166A (en) A process for the manufacture of alpha tocopherol and its acetate