FR2341575A1 - Procede de preparation du tocopherol - Google Patents
Procede de preparation du tocopherolInfo
- Publication number
- FR2341575A1 FR2341575A1 FR7703778A FR7703778A FR2341575A1 FR 2341575 A1 FR2341575 A1 FR 2341575A1 FR 7703778 A FR7703778 A FR 7703778A FR 7703778 A FR7703778 A FR 7703778A FR 2341575 A1 FR2341575 A1 FR 2341575A1
- Authority
- FR
- France
- Prior art keywords
- preparation process
- tocopherol preparation
- tocopherol
- preparation
- 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.)
- Granted
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)
- Pyrane Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762606830 DE2606830C3 (de) | 1976-02-20 | 1976-02-20 | Verfahren zur Herstellung von Tocopherol |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2341575A1 true FR2341575A1 (fr) | 1977-09-16 |
FR2341575B1 FR2341575B1 (fr) | 1980-06-27 |
Family
ID=5970392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7703778A Granted FR2341575A1 (fr) | 1976-02-20 | 1977-02-10 | Procede de preparation du tocopherol |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS52102278A (fr) |
CH (1) | CH626082A5 (fr) |
DE (1) | DE2606830C3 (fr) |
FR (1) | FR2341575A1 (fr) |
GB (1) | GB1568559A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3203487A1 (de) * | 1982-02-03 | 1983-08-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von tocopherylacetat oder tocopherylpropionat |
US4639533A (en) * | 1982-07-29 | 1987-01-27 | Basf Corporation | Alpha tocopherol process |
US6005122A (en) * | 1996-12-23 | 1999-12-21 | Basf Aktiengesellschaft | Preparation of α-tocopherol or α-tocopheryl acetate by reacting trimethylhydroquinone and phytol or isophytol, with recycling of the zinc halide condensation catalyst |
WO2005121115A1 (fr) | 2004-06-11 | 2005-12-22 | Dsm Ip Assets B.V. | Procede de fabrication de derives de chromane et plus particulierement d'alpha-tocopherol et de ses alcanoates |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH506516A (de) * | 1968-02-27 | 1971-04-30 | Hoffmann La Roche | Verfahren zur Herstellung von Chromanolen |
US3708505A (en) * | 1971-02-25 | 1973-01-02 | Diamond Shamrock Corp | Process for preparation of d,l-alpha tocopherol |
-
1976
- 1976-02-20 DE DE19762606830 patent/DE2606830C3/de not_active Expired
-
1977
- 1977-02-04 GB GB461177A patent/GB1568559A/en not_active Expired
- 1977-02-10 FR FR7703778A patent/FR2341575A1/fr active Granted
- 1977-02-16 CH CH190577A patent/CH626082A5/de not_active IP Right Cessation
- 1977-02-21 JP JP1726377A patent/JPS52102278A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2606830C3 (de) | 1981-08-27 |
JPS5426549B2 (fr) | 1979-09-04 |
JPS52102278A (en) | 1977-08-27 |
DE2606830B2 (de) | 1980-09-25 |
GB1568559A (en) | 1980-05-29 |
CH626082A5 (en) | 1981-10-30 |
DE2606830A1 (de) | 1977-09-08 |
FR2341575B1 (fr) | 1980-06-27 |
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