JPH0559116B2 - - Google Patents
Info
- Publication number
- JPH0559116B2 JPH0559116B2 JP58062319A JP6231983A JPH0559116B2 JP H0559116 B2 JPH0559116 B2 JP H0559116B2 JP 58062319 A JP58062319 A JP 58062319A JP 6231983 A JP6231983 A JP 6231983A JP H0559116 B2 JPH0559116 B2 JP H0559116B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- tocopherol
- hydrochloric acid
- ethyl acetate
- acetic acid
- 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 - Lifetime
Links
Landscapes
- Pyrane Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6231983A JPS59190987A (ja) | 1983-04-11 | 1983-04-11 | dl−α−トコフエロ−ルの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6231983A JPS59190987A (ja) | 1983-04-11 | 1983-04-11 | dl−α−トコフエロ−ルの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59190987A JPS59190987A (ja) | 1984-10-29 |
JPH0559116B2 true JPH0559116B2 (enrdf_load_stackoverflow) | 1993-08-30 |
Family
ID=13196697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6231983A Granted JPS59190987A (ja) | 1983-04-11 | 1983-04-11 | dl−α−トコフエロ−ルの製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59190987A (enrdf_load_stackoverflow) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2784104B1 (fr) * | 1998-09-18 | 2002-12-27 | Rhone Poulenc Nutrition Animal | Procede de preparation de la vitamine e |
KR100452291B1 (ko) * | 1999-12-14 | 2004-10-08 | 에스케이 주식회사 | 고수율 및 고순도로 DL-α-토코페롤를 제조하는 방법 |
WO2002034738A1 (en) * | 2000-10-23 | 2002-05-02 | Sk Corporation | Method for preparing dl-alpha-tocopherol with high yield |
EP1334093A4 (en) * | 2000-10-23 | 2004-02-04 | Sk Corp | METHOD FOR PRODUCING DL-ALPHA-TOCOPHEROL IN HIGH YIELD |
JP2013063912A (ja) * | 2011-08-31 | 2013-04-11 | Eisai R & D Management Co Ltd | α−トコフェロールおよび酢酸α−トコフェロールの製造方法 |
CN102584770A (zh) * | 2011-12-31 | 2012-07-18 | 安徽丰原发酵技术工程研究有限公司 | 一种维生素e的制备方法 |
CN116535377B (zh) * | 2023-05-04 | 2025-06-10 | 山东新和成精化科技有限公司 | 一种维生素e醋酸酯的制备工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5312514B2 (enrdf_load_stackoverflow) * | 1971-12-29 | 1978-05-01 | ||
JPS53103475A (en) * | 1977-02-18 | 1978-09-08 | Nisshin Flour Milling Co Ltd | Preparation of highly pure d1-alpha-tocopherol |
JPS6046114B2 (ja) * | 1977-05-19 | 1985-10-14 | エーザイ株式会社 | α−トコフエロ−ルの製造法 |
-
1983
- 1983-04-11 JP JP6231983A patent/JPS59190987A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59190987A (ja) | 1984-10-29 |
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