FR2126214B1 - - Google Patents
Info
- Publication number
- FR2126214B1 FR2126214B1 FR7204817A FR7204817A FR2126214B1 FR 2126214 B1 FR2126214 B1 FR 2126214B1 FR 7204817 A FR7204817 A FR 7204817A FR 7204817 A FR7204817 A FR 7204817A FR 2126214 B1 FR2126214 B1 FR 2126214B1
- Authority
- FR
- France
- 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
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11904871A | 1971-02-25 | 1971-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2126214A1 FR2126214A1 (enExample) | 1972-10-06 |
| FR2126214B1 true FR2126214B1 (enExample) | 1977-07-15 |
Family
ID=22382303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7204817A Expired FR2126214B1 (enExample) | 1971-02-25 | 1972-02-14 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3708505A (enExample) |
| JP (1) | JPS5341154B1 (enExample) |
| CA (1) | CA968805A (enExample) |
| DE (1) | DE2208795C3 (enExample) |
| FR (1) | FR2126214B1 (enExample) |
| GB (1) | GB1371701A (enExample) |
| IL (1) | IL38718A (enExample) |
| IT (1) | IT990452B (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4055575A (en) * | 1975-03-20 | 1977-10-25 | Scm Corporation | Synthesis of dehydrophytol and vitamin E |
| US4191692A (en) * | 1976-02-20 | 1980-03-04 | Basf Aktiengesellschaft | Manufacture of tocopherol |
| DE2606830C3 (de) * | 1976-02-20 | 1981-08-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von Tocopherol |
| JPS6019309B2 (ja) * | 1976-09-29 | 1985-05-15 | 日清製粉株式会社 | 高純度ｄｌ−α−トコフエロ−ルの製造法 |
| DE3203487A1 (de) * | 1982-02-03 | 1983-08-11 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von tocopherylacetat oder tocopherylpropionat |
| DE4208477A1 (de) * | 1992-03-17 | 1993-09-23 | Basf Ag | Verfahren zur herstellung von vitamin e |
| US5663376A (en) † | 1994-07-27 | 1997-09-02 | Eisai Co., Ltd. | Process for the preparation of α-tocopherol |
| FR2733977B1 (fr) * | 1995-05-10 | 1997-07-04 | Rhone Poulenc Nutrition Animal | Procede de preparation de phenols substitues |
| ATE233254T1 (de) * | 1996-01-05 | 2003-03-15 | Hoffmann La Roche | Verfahren zur herstellung von d,l-alpha- tocopherol in gegenwart einer perfluoralkylensulfonsäure als katalysator |
| 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 |
| ES2264230T3 (es) * | 1998-04-06 | 2006-12-16 | Dsm Ip Assets B.V. | Procedimiento par ala obtencion de d,1-alfa-tocoferol, en un disolvente de carbonato y en presencia de un catalizador de acido conteniendo azufre. |
| FR2784104B1 (fr) * | 1998-09-18 | 2002-12-27 | Rhone Poulenc Nutrition Animal | Procede de preparation de la vitamine e |
| ATE298330T1 (de) | 2000-11-22 | 2005-07-15 | Basf Ag | Verfahren zur kontinuierlichen acylierung von chromanolesterderivaten |
| WO2004046126A1 (en) * | 2002-11-21 | 2004-06-03 | Dsm Ip Assets B.V. | Manufacture of tocopheryl acetate |
| KR101154117B1 (ko) * | 2003-01-13 | 2012-06-11 | 디에스엠 아이피 어셋츠 비.브이. | α-토코페릴 아세테이트의 제조방법 |
| KR101140519B1 (ko) * | 2004-06-11 | 2012-04-30 | 디에스엠 아이피 어셋츠 비.브이. | 크로만 유도체, 특히 α-토코페롤 및 그의 알카노에이트의제조 방법 |
| CN106565659B (zh) * | 2016-11-01 | 2019-06-18 | 万华化学集团股份有限公司 | 一种制备维生素e乙酸酯的方法 |
| CN108409704A (zh) * | 2018-01-24 | 2018-08-17 | 上海优合生物科技有限公司 | 一种高纯度生育酚琥珀酸酯盐的制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2411968A (en) * | 1938-03-31 | 1946-12-03 | Hoffmann La Roche | Process for the preparation of synthetic dl-tocopherols |
| US2411969A (en) * | 1938-03-31 | 1946-12-03 | Hoffmann La Roche | Process for the preparation of synthetic dl-tocopherols |
-
1971
- 1971-02-25 US US00119048A patent/US3708505A/en not_active Expired - Lifetime
-
1972
- 1972-02-08 IL IL38718A patent/IL38718A/xx unknown
- 1972-02-14 FR FR7204817A patent/FR2126214B1/fr not_active Expired
- 1972-02-18 CA CA135,025A patent/CA968805A/en not_active Expired
- 1972-02-24 GB GB864472A patent/GB1371701A/en not_active Expired
- 1972-02-24 JP JP1854672A patent/JPS5341154B1/ja active Pending
- 1972-02-24 IT IT48541/72A patent/IT990452B/it active
- 1972-02-24 DE DE2208795A patent/DE2208795C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2208795B2 (de) | 1978-03-09 |
| DE2208795C3 (de) | 1978-11-02 |
| JPS5341154B1 (enExample) | 1978-10-31 |
| IL38718A0 (en) | 1972-04-27 |
| IL38718A (en) | 1975-02-10 |
| IT990452B (it) | 1975-06-20 |
| FR2126214A1 (enExample) | 1972-10-06 |
| GB1371701A (en) | 1974-10-23 |
| US3708505A (en) | 1973-01-02 |
| CA968805A (en) | 1975-06-03 |
| DE2208795A1 (de) | 1972-08-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |