DK0735033T3 - Aminomethylering af tocopheroler - Google Patents
Aminomethylering af tocopherolerInfo
- Publication number
- DK0735033T3 DK0735033T3 DK96104467T DK96104467T DK0735033T3 DK 0735033 T3 DK0735033 T3 DK 0735033T3 DK 96104467 T DK96104467 T DK 96104467T DK 96104467 T DK96104467 T DK 96104467T DK 0735033 T3 DK0735033 T3 DK 0735033T3
- Authority
- DK
- Denmark
- Prior art keywords
- formaldehyde
- mannich
- prepd
- mixt
- tocopherol
- Prior art date
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrane Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH87895 | 1995-03-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0735033T3 true DK0735033T3 (da) | 2000-10-23 |
Family
ID=4197282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK96104467T DK0735033T3 (da) | 1995-03-28 | 1996-03-21 | Aminomethylering af tocopheroler |
Country Status (8)
Country | Link |
---|---|
US (3) | US6066731A (da) |
EP (1) | EP0735033B1 (da) |
JP (1) | JPH08269040A (da) |
CN (1) | CN1159284C (da) |
AT (1) | ATE194609T1 (da) |
DE (1) | DE59605564D1 (da) |
DK (1) | DK0735033T3 (da) |
ES (1) | ES2148616T3 (da) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10316375A1 (de) * | 2003-04-10 | 2004-11-04 | Celanese Chemicals Europe Gmbh | Verfahren zur Herstellung von N-Methyl-dialkylaminen aus sekundären Dialkylaminen und Formaldehyd |
HUE041714T2 (hu) * | 2008-10-28 | 2019-05-28 | Bioelectron Tech Corp | Kompozíció, amely tartalmaz alfa tokotrienolkinont és annak intermediereit |
WO2012025587A1 (en) | 2010-08-26 | 2012-03-01 | Dsm Ip Assets B.V. | Process for the manufacture of tmhq |
CN102675275A (zh) * | 2012-05-18 | 2012-09-19 | 江南大学 | 一种甲基化与柱层析相结合制备高含量α-生育酚的方法 |
EP3233776B1 (en) | 2014-12-17 | 2019-10-23 | DSM IP Assets B.V. | Formation of chromanes based on intermolecular reaction of alkynes with dimethylfuran in the presence of gold(i) complexes |
CN105801551B (zh) * | 2014-12-29 | 2018-11-30 | 浙江新和成药业有限公司 | 一种维生素e醋酸酯的清洁生产方法 |
US10745371B2 (en) | 2015-12-16 | 2020-08-18 | Ptc Therapeutics, Inc. | Methods for enriching alpha-tocotrienol from mixed tocol compositions |
CN111675677B (zh) * | 2020-07-13 | 2022-07-19 | 江苏富比亚化学品有限公司 | 一种n-甲基吗啉的合成工艺 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2486539A (en) * | 1946-07-19 | 1949-11-01 | Distillation Products Inc | Conversion of beta-, gamma-, and delta-tocopherol to alph-tocopherol |
US2519863A (en) * | 1949-05-14 | 1950-08-22 | Eastman Kodak Co | Conversion of beta-, gamma-, and delta-tocopherol to alpha-tocopherol by aminoalkylation and reduction |
US4977282A (en) * | 1984-04-17 | 1990-12-11 | Henkel Corporation | Production of d-alpha-tocopherol from natural plant sources |
EP0159018A3 (en) * | 1984-04-17 | 1986-10-01 | HENKEL CORPORATION (a Delaware corp.) | Production of d-alpha-tocopherol from natural plant sources |
DE3741661A1 (de) * | 1987-12-09 | 1989-06-22 | Basf Lacke & Farben | Bindemittel fuer die kathodische elektrotauchlackierung |
US5229521A (en) * | 1990-12-11 | 1993-07-20 | Ciba-Geigy Corporation | Process for the preparation of symmetrical 2,2-methylenebisbenzotriazolyl phenols |
EP0490815B1 (de) * | 1990-12-11 | 1994-09-21 | Ciba-Geigy Ag | Verfahren zur Herstellung von symmetrischen 2,2'-Methylen-bis-benztriazolylphenolen |
-
1996
- 1996-03-21 EP EP96104467A patent/EP0735033B1/de not_active Expired - Lifetime
- 1996-03-21 DK DK96104467T patent/DK0735033T3/da active
- 1996-03-21 ES ES96104467T patent/ES2148616T3/es not_active Expired - Lifetime
- 1996-03-21 AT AT96104467T patent/ATE194609T1/de not_active IP Right Cessation
- 1996-03-21 DE DE59605564T patent/DE59605564D1/de not_active Expired - Fee Related
- 1996-03-22 JP JP8091835A patent/JPH08269040A/ja not_active Withdrawn
- 1996-03-22 US US08/620,966 patent/US6066731A/en not_active Expired - Lifetime
- 1996-03-28 CN CNB961029838A patent/CN1159284C/zh not_active Expired - Fee Related
-
2000
- 2000-03-21 US US09/532,523 patent/US6252071B1/en not_active Expired - Lifetime
-
2001
- 2001-02-23 US US09/792,149 patent/US6359132B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6359132B1 (en) | 2002-03-19 |
EP0735033A1 (de) | 1996-10-02 |
CN1138026A (zh) | 1996-12-18 |
ATE194609T1 (de) | 2000-07-15 |
US6252071B1 (en) | 2001-06-26 |
ES2148616T3 (es) | 2000-10-16 |
DE59605564D1 (de) | 2000-08-17 |
JPH08269040A (ja) | 1996-10-15 |
CN1159284C (zh) | 2004-07-28 |
US6066731A (en) | 2000-05-23 |
EP0735033B1 (de) | 2000-07-12 |
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