IN188479B - - Google Patents
Info
- Publication number
- IN188479B IN188479B IN716MA1999A IN188479B IN 188479 B IN188479 B IN 188479B IN 716MA1999 A IN716MA1999 A IN 716MA1999A IN 188479 B IN188479 B IN 188479B
- 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
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98112842 | 1998-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN188479B true IN188479B (no) | 2002-09-28 |
Family
ID=8232254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN716MA1999 IN188479B (no) | 1998-07-10 | 1999-06-07 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6452023B1 (no) |
| JP (1) | JP2000044556A (no) |
| KR (1) | KR20000011530A (no) |
| CN (1) | CN1245399C (no) |
| BR (1) | BR9902781A (no) |
| CA (1) | CA2276921A1 (no) |
| DE (1) | DE69920586T2 (no) |
| IN (1) | IN188479B (no) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6930191B2 (en) | 2002-10-10 | 2005-08-16 | Cognis Corporation | Methods of preparing tocopherol compound salts in supercritical media |
| KR20180050818A (ko) * | 2016-11-07 | 2018-05-16 | 박종세 | 다목적 물꼬의 원격 수위 조절장치 |
| US12103918B2 (en) | 2018-08-17 | 2024-10-01 | Basf Se | Synthesis of chromanol derivatives |
| EP3837248B1 (en) * | 2018-08-17 | 2024-07-24 | Basf Se | Synthesis of chromanol and 2-methyl-1,4-naphthoquinone derivatives |
| CN111646968B (zh) * | 2020-05-28 | 2022-04-22 | 万华化学集团股份有限公司 | 一种制备维生素e的方法 |
| CN116987057A (zh) * | 2023-06-16 | 2023-11-03 | 江苏宏邦化工科技有限公司 | 一种维生素e乙酸酯的合成方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5663376A (en) | 1994-07-27 | 1997-09-02 | Eisai Co., Ltd. | Process for the preparation of α-tocopherol |
| WO1997028151A1 (de) | 1996-01-29 | 1997-08-07 | Basf Aktiengesellschaft | VERFAHREN ZUR HERSTELLUNG VON DL-α-TOCOPHEROL ODER DL-α-TOCOPHERYLACETAT |
-
1999
- 1999-06-07 IN IN716MA1999 patent/IN188479B/en unknown
- 1999-06-26 DE DE69920586T patent/DE69920586T2/de not_active Expired - Lifetime
- 1999-06-29 US US09/342,272 patent/US6452023B1/en not_active Expired - Lifetime
- 1999-07-06 CA CA002276921A patent/CA2276921A1/en not_active Abandoned
- 1999-07-07 KR KR1019990027181A patent/KR20000011530A/ko not_active Application Discontinuation
- 1999-07-08 BR BR9902781-0A patent/BR9902781A/pt not_active Application Discontinuation
- 1999-07-08 JP JP11194076A patent/JP2000044556A/ja not_active Withdrawn
- 1999-07-09 CN CNB991104226A patent/CN1245399C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69920586T2 (de) | 2005-11-03 |
| JP2000044556A (ja) | 2000-02-15 |
| DE69920586D1 (de) | 2004-11-04 |
| CN1241566A (zh) | 2000-01-19 |
| CA2276921A1 (en) | 2000-01-10 |
| CN1245399C (zh) | 2006-03-15 |
| BR9902781A (pt) | 2000-05-16 |
| KR20000011530A (ko) | 2000-02-25 |
| US6452023B1 (en) | 2002-09-17 |