AU2002227934A1 - Method for continuously acylating chromanol ester derivatives - Google Patents
Method for continuously acylating chromanol ester derivativesInfo
- Publication number
- AU2002227934A1 AU2002227934A1 AU2002227934A AU2793402A AU2002227934A1 AU 2002227934 A1 AU2002227934 A1 AU 2002227934A1 AU 2002227934 A AU2002227934 A AU 2002227934A AU 2793402 A AU2793402 A AU 2793402A AU 2002227934 A1 AU2002227934 A1 AU 2002227934A1
- Authority
- AU
- Australia
- Prior art keywords
- continuously
- ester derivatives
- acylating
- chromanol
- chromanol ester
- 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.)
- Abandoned
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/009—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping in combination with chemical reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/32—Other features of fractionating columns ; Constructional details of fractionating columns not provided for in groups B01D3/16 - B01D3/30
- B01D3/322—Reboiler specifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
-
- 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
- Y02P20/10—Process efficiency
Abstract
A process is described for continuously preparing chromanol ester derivatives, in particular for continuously preparing carboxylic esters of tocopherols and tocotrienols by continuous acylation with carboxylic acids or carboxylic anhydrides.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10058132 | 2000-11-22 | ||
DE10058132 | 2000-11-22 | ||
PCT/EP2001/013472 WO2002042286A1 (en) | 2000-11-22 | 2001-11-21 | Method for continuously acylating chromanol ester derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2002227934A1 true AU2002227934A1 (en) | 2002-06-03 |
Family
ID=7664369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2002227934A Abandoned AU2002227934A1 (en) | 2000-11-22 | 2001-11-21 | Method for continuously acylating chromanol ester derivatives |
Country Status (8)
Country | Link |
---|---|
US (1) | US6784303B2 (en) |
EP (1) | EP1339704B1 (en) |
CN (1) | CN1205200C (en) |
AT (1) | ATE298330T1 (en) |
AU (1) | AU2002227934A1 (en) |
DE (1) | DE50106594D1 (en) |
ES (1) | ES2243585T3 (en) |
WO (1) | WO2002042286A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004096790A1 (en) * | 2003-04-28 | 2004-11-11 | Dsm Ip Assets B.V. | Process for the manufacture of tocyl and tocopheryl acylates |
CN101899032B (en) * | 2003-05-02 | 2012-05-30 | 帝斯曼知识产权资产管理有限公司 | Process for the manufacture of tocyl and tocopheryl acylates |
DE102004012904A1 (en) * | 2004-03-17 | 2005-10-06 | Bayer Chemicals Ag | Process for the continuous decomposition of mixtures |
US7435836B2 (en) * | 2004-04-26 | 2008-10-14 | Dsm Ip Assets B.V. | Process for the manufacture of tocopheryl acylates |
WO2005121115A1 (en) * | 2004-06-11 | 2005-12-22 | Dsm Ip Assets B.V. | PROCESS FOR THE MANUFACTURE OF CHROMAN DERIVATIVES, ESPECIALLY α-TOCOPHEROL AND ALKANOATES THEREOF |
US8183396B2 (en) | 2004-08-19 | 2012-05-22 | Dsm Ip Assets B.V. | Process for the working-up of a vitamin E- and vitamin E-acetate- containing mixture or products stream |
ATE502931T1 (en) | 2004-08-19 | 2011-04-15 | Dsm Ip Assets Bv | METHOD FOR RECTIFICATION OF VITAMIN E ACETATE |
CN106565659B (en) * | 2016-11-01 | 2019-06-18 | 万华化学集团股份有限公司 | A method of preparing vitamin e acetate |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3444213A (en) | 1967-07-12 | 1969-05-13 | Eastman Kodak Co | Continuous process for producing dl alpha tocopherol |
US3708505A (en) | 1971-02-25 | 1973-01-02 | Diamond Shamrock Corp | Process for preparation of d,l-alpha tocopherol |
JPS4955633A (en) * | 1972-07-30 | 1974-05-30 | ||
CS205951B1 (en) * | 1978-10-25 | 1981-05-29 | Miloslav Gablech | Method of continuous production of the d,1-alpha -tokopherolacetate |
DE4208477A1 (en) | 1992-03-17 | 1993-09-23 | Basf Ag | METHOD FOR PRODUCING VITAMIN E |
US5886196A (en) | 1996-01-12 | 1999-03-23 | Roche Vitamins Inc. | Method of catalyzing condensation reactions |
DE19603142A1 (en) | 1996-01-29 | 1997-07-31 | Basf Ag | Tocopherol and tocopheryl acetate production |
EP0882036A1 (en) | 1996-01-29 | 1998-12-09 | Basf Aktiengesellschaft | Method of producing dl-alpha-tocopherol or dl-alpha-tocopheryl acetate |
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 |
DE19704619A1 (en) * | 1997-02-07 | 1998-08-13 | Basf Ag | Process for the preparation of tocopheryl carboxylic esters or tocotrienyl esters by acid-catalyzed reaction with carboxylic acids |
-
2001
- 2001-11-21 AT AT01989492T patent/ATE298330T1/en not_active IP Right Cessation
- 2001-11-21 DE DE50106594T patent/DE50106594D1/en not_active Expired - Lifetime
- 2001-11-21 EP EP01989492A patent/EP1339704B1/en not_active Expired - Lifetime
- 2001-11-21 ES ES01989492T patent/ES2243585T3/en not_active Expired - Lifetime
- 2001-11-21 AU AU2002227934A patent/AU2002227934A1/en not_active Abandoned
- 2001-11-21 US US10/416,468 patent/US6784303B2/en not_active Expired - Fee Related
- 2001-11-21 WO PCT/EP2001/013472 patent/WO2002042286A1/en not_active Application Discontinuation
- 2001-11-21 CN CNB018193501A patent/CN1205200C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1339704B1 (en) | 2005-06-22 |
CN1476441A (en) | 2004-02-18 |
WO2002042286A1 (en) | 2002-05-30 |
EP1339704A1 (en) | 2003-09-03 |
ES2243585T3 (en) | 2005-12-01 |
US20040014996A1 (en) | 2004-01-22 |
ATE298330T1 (en) | 2005-07-15 |
DE50106594D1 (en) | 2005-07-28 |
US6784303B2 (en) | 2004-08-31 |
CN1205200C (en) | 2005-06-08 |
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