IN185169B - - Google Patents
Info
- Publication number
- IN185169B IN185169B IN2182CA1998A IN185169B IN 185169 B IN185169 B IN 185169B IN 2182CA1998 A IN2182CA1998 A IN 2182CA1998A IN 185169 B IN185169 B IN 185169B
- Authority
- IN
- India
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19757124A DE19757124A1 (de) | 1997-12-20 | 1997-12-20 | Verfahren zur Herstellung von alpha-Tocopherolestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN185169B true IN185169B (xx) | 2000-12-02 |
Family
ID=7852911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2182CA1998 IN185169B (xx) | 1997-12-20 | 1998-12-16 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US6048988A (xx) |
| EP (1) | EP0924208B1 (xx) |
| JP (1) | JPH11246549A (xx) |
| CN (1) | CN1136211C (xx) |
| BR (1) | BR9805589A (xx) |
| CA (1) | CA2256988A1 (xx) |
| DE (2) | DE19757124A1 (xx) |
| ID (1) | ID21588A (xx) |
| IL (1) | IL127634A (xx) |
| IN (1) | IN185169B (xx) |
| TW (1) | TW502029B (xx) |
| YU (1) | YU58298A (xx) |
Families Citing this family (9)
| 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 |
| DE19951006A1 (de) * | 1999-10-22 | 2001-04-26 | Degussa | Verfahren zur Herstellung von veresterten Chromanverbindungen |
| DE10011402A1 (de) * | 2000-03-09 | 2001-09-13 | Degussa | Verfahren zur Herstellung von alpha-Tocopherolestern |
| KR100533304B1 (ko) * | 2001-05-26 | 2005-12-05 | 주식회사 엘지생명과학 | 폴리에톡실화 알파 토코페롤 에스테르 유도체 및 이의제조방법 |
| KR100787879B1 (ko) * | 2002-02-27 | 2007-12-27 | (주)아모레퍼시픽 | 항산화력을 갖는 토코페롤 유도체 및 그의 제조방법, 이를함유하는 화장료 조성물 |
| US7169943B2 (en) * | 2002-11-21 | 2007-01-30 | Dsm Ip Assets B.V. | Manufacture of tocopheryl acetate |
| CN100344621C (zh) * | 2003-01-13 | 2007-10-24 | 帝斯曼知识产权资产管理有限公司 | α－生育酚乙酸酯的生产方法 |
| CN105418574A (zh) * | 2014-08-27 | 2016-03-23 | 浙江医药股份有限公司新昌制药厂 | 一种dl-α生育酚醋酸酯的制备方法 |
| CN113083339B (zh) * | 2021-04-15 | 2022-11-08 | 万华化学(四川)有限公司 | 一种用于制备维生素e的催化剂及其制备方法和应用 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH547278A (de) * | 1971-01-11 | 1974-03-29 | Hoffmann La Roche | Verfahren zur herstellung von chromanderivaten. |
| FR2259822A1 (en) * | 1974-02-06 | 1975-08-29 | Teijin Ltd | Cpds. contg. chroman rings - from hydroquinones and carboxylic acid derivs in the presence of an insol solid acid catalyst |
| JPS5180859A (en) * | 1975-01-11 | 1976-07-15 | Teijin Ltd | Arufua tokofuerooruruino seizoho |
| US5663376A (en) * | 1994-07-27 | 1997-09-02 | Eisai Co., Ltd. | Process for the preparation of α-tocopherol |
-
1997
- 1997-12-20 DE DE19757124A patent/DE19757124A1/de not_active Withdrawn
-
1998
- 1998-12-04 DE DE59807380T patent/DE59807380D1/de not_active Expired - Fee Related
- 1998-12-04 EP EP98123135A patent/EP0924208B1/de not_active Expired - Lifetime
- 1998-12-15 TW TW087120855A patent/TW502029B/zh active
- 1998-12-16 IN IN2182CA1998 patent/IN185169B/en unknown
- 1998-12-16 YU YU58298A patent/YU58298A/sh unknown
- 1998-12-17 BR BR9805589-5A patent/BR9805589A/pt not_active IP Right Cessation
- 1998-12-17 JP JP10359047A patent/JPH11246549A/ja active Pending
- 1998-12-17 ID IDP981642A patent/ID21588A/id unknown
- 1998-12-18 IL IL12763498A patent/IL127634A/xx not_active IP Right Cessation
- 1998-12-18 CA CA002256988A patent/CA2256988A1/en not_active Abandoned
- 1998-12-21 US US09/216,914 patent/US6048988A/en not_active Expired - Fee Related
- 1998-12-21 CN CNB981256864A patent/CN1136211C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW502029B (en) | 2002-09-11 |
| DE59807380D1 (de) | 2003-04-10 |
| ID21588A (id) | 1999-06-24 |
| IL127634A0 (en) | 1999-10-28 |
| IL127634A (en) | 2003-03-12 |
| US6048988A (en) | 2000-04-11 |
| DE19757124A1 (de) | 1999-06-24 |
| EP0924208B1 (de) | 2003-03-05 |
| JPH11246549A (ja) | 1999-09-14 |
| EP0924208A1 (de) | 1999-06-23 |
| BR9805589A (pt) | 2000-04-11 |
| CN1136211C (zh) | 2004-01-28 |
| CA2256988A1 (en) | 1999-06-20 |
| YU58298A (sh) | 2000-12-28 |
| CN1224012A (zh) | 1999-07-28 |