ATE396981T1 - Herstellung von carbonsäureestern - Google Patents
Herstellung von carbonsäureesternInfo
- Publication number
- ATE396981T1 ATE396981T1 AT02015600T AT02015600T ATE396981T1 AT E396981 T1 ATE396981 T1 AT E396981T1 AT 02015600 T AT02015600 T AT 02015600T AT 02015600 T AT02015600 T AT 02015600T AT E396981 T1 ATE396981 T1 AT E396981T1
- Authority
- AT
- Austria
- Prior art keywords
- carboxylic acid
- solution
- alkanol
- alkg
- stream
- Prior art date
Links
- 150000001733 carboxylic acid esters Chemical class 0.000 title 1
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 abstract 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 3
- 239000007787 solid Substances 0.000 abstract 3
- 239000002904 solvent Substances 0.000 abstract 3
- VBUYCZFBVCCYFD-NUNKFHFFSA-N 2-dehydro-L-idonic acid Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)C(=O)C(O)=O VBUYCZFBVCCYFD-NUNKFHFFSA-N 0.000 abstract 2
- VBUYCZFBVCCYFD-UHFFFAOYSA-N D-arabino-2-Hexulosonic acid Natural products OCC(O)C(O)C(O)C(=O)C(O)=O VBUYCZFBVCCYFD-UHFFFAOYSA-N 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000005886 esterification reaction Methods 0.000 abstract 2
- 238000000855 fermentation Methods 0.000 abstract 2
- 230000004151 fermentation Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 abstract 1
- 229930003268 Vitamin C Natural products 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- -1 alkyl 2-keto-L-gulonate ester Chemical class 0.000 abstract 1
- 235000010323 ascorbic acid Nutrition 0.000 abstract 1
- 239000011668 ascorbic acid Substances 0.000 abstract 1
- 229960005070 ascorbic acid Drugs 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 235000019154 vitamin C Nutrition 0.000 abstract 1
- 239000011718 vitamin C Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Medicinal Preparation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/975,872 US6518454B1 (en) | 2001-10-12 | 2001-10-12 | Preparation of esters of carboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE396981T1 true ATE396981T1 (de) | 2008-06-15 |
Family
ID=25523515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02015600T ATE396981T1 (de) | 2001-10-12 | 2002-07-15 | Herstellung von carbonsäureestern |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6518454B1 (enExample) |
| EP (1) | EP1304320B1 (enExample) |
| JP (1) | JP2003183185A (enExample) |
| CN (1) | CN1297532C (enExample) |
| AT (1) | ATE396981T1 (enExample) |
| DE (1) | DE60226825D1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7045057B2 (en) * | 2003-04-11 | 2006-05-16 | Calgon Carbon Corporation | Preparation of homogeneously loaded ion exchangers |
| US6872314B2 (en) * | 2003-08-29 | 2005-03-29 | Eastman Chemical Company | Dewatering process |
| US7378549B2 (en) * | 2004-01-26 | 2008-05-27 | Shell Oil Company | Process for the reactive extractive extraction of levulinic acid |
| PT103123A (pt) * | 2004-05-19 | 2005-11-30 | Univ Do Porto | Processo industrial de producao de acetais num reactor adsorptivo de leito movel simulado |
| US7501062B2 (en) | 2005-02-22 | 2009-03-10 | Shell Oil Company | Process for permeation enhanced reactive extraction of levulinic acid |
| BR112015027600B1 (pt) | 2013-05-03 | 2021-01-26 | Dow Global Technologies Llc | processo para reação limitada ao equilíbrio de glicol éter e ácido carboxílico |
| CN106794390B (zh) * | 2014-06-06 | 2019-07-09 | 佐治亚科技研究公司 | 用于操作模拟移动床反应器的方法 |
| WO2016164748A1 (en) | 2015-04-08 | 2016-10-13 | Invista North America S.A.R.L. | Materials and methods for the selective recovery of monovalent products from aqueous solutions using continuous ion exchange |
| US10343084B2 (en) | 2015-04-10 | 2019-07-09 | Invista North America S.A.R.L. | Process for separation of diamines and/or omega-aminoacids from a feed mixture |
| US12090420B2 (en) | 2018-09-18 | 2024-09-17 | Inv Nylon Chemicals Americas, Llc | Systems and methods for recovering amines and their derivatives from aqueous mixtures |
| CN110590868B (zh) * | 2019-09-17 | 2023-02-17 | 石药集团维生药业（石家庄）有限公司 | 一种2-酮基-l-古龙酸甲酯生产工艺 |
| CN113788752A (zh) * | 2021-10-20 | 2021-12-14 | 浙江圣达生物研究院有限公司 | 用模拟移动床色谱分离发酵液中2-酮基-d-葡萄糖酸的方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2491065A (en) | 1941-12-01 | 1949-12-13 | Tno | Process for producing ascorbic acid from 2-keto-levo-gulonic acid or its derivatives |
| US2462251A (en) | 1945-05-16 | 1949-02-22 | Merck & Co Inc | Process for preparing ascorbic acids |
| US2956070A (en) | 1958-04-29 | 1960-10-11 | American Oil Co | Organic chemical reactions involving liberation of water |
| FI69248C (fi) | 1976-12-21 | 1986-01-10 | Mitsubishi Chem Ind | Foerfarande foer reglering av operationsprocessen av en simulerad roerlig baedd |
| US4764276A (en) | 1984-07-30 | 1988-08-16 | Advanced Separation Technologies Incorporated | Device for continuous contacting of fluids and solids |
| JPH0669521B2 (ja) | 1986-12-23 | 1994-09-07 | 三菱化成エンジニアリング株式会社 | クロマト分離法 |
| US4923616A (en) | 1987-09-24 | 1990-05-08 | Mitsubishi Petrochemical Company, Ltd. | Method of separating chemical components in simulated moving bed |
| JPH0746097B2 (ja) | 1988-05-17 | 1995-05-17 | 三菱化成エンジニアリング株式会社 | クロマト分離法 |
| FR2648136B1 (fr) | 1989-06-12 | 1994-06-17 | Rhone Poulenc Sante | Procede de preparation de l'acide ascorbique |
| EP0671405A1 (de) * | 1994-01-18 | 1995-09-13 | F. Hoffmann-La Roche Ag | Herstellung von 2-Keto-L-gulonsäureestern |
| US5405992A (en) | 1994-04-28 | 1995-04-11 | Uop | Process for concurrent esterification and separation using a simulated moving bed |
| JPH08176133A (ja) * | 1994-12-26 | 1996-07-09 | Takeda Chem Ind Ltd | Ｌ−アスコルビン酸の精製法 |
| US6146534A (en) | 1996-08-19 | 2000-11-14 | Reilly Industries, Inc. | Thermally-managed separation and dewatering processes for recovering acid products |
| DE19648746A1 (de) * | 1996-11-25 | 1998-05-28 | Basf Ag | Verfahren zur Herstellung von (Meth)acrylsäureestern |
| EP1000050A1 (de) | 1997-07-16 | 2000-05-17 | Enco Engineering Chur Ag | Verfahren zur herstellung von ascorbat |
| US6153791A (en) | 1999-08-02 | 2000-11-28 | Archer-Daniels-Midland Company | Process for purifying 2-keto-L-gulonic acid |
| DE19938980A1 (de) | 1999-08-19 | 2001-02-22 | Basf Ag | Verfahren zur Herstellung von 2-Keto-L-gulonsäureestern |
-
2001
- 2001-10-12 US US09/975,872 patent/US6518454B1/en not_active Expired - Fee Related
-
2002
- 2002-07-15 AT AT02015600T patent/ATE396981T1/de not_active IP Right Cessation
- 2002-07-15 DE DE60226825T patent/DE60226825D1/de not_active Expired - Lifetime
- 2002-07-15 EP EP02015600A patent/EP1304320B1/en not_active Expired - Lifetime
- 2002-10-11 JP JP2002298651A patent/JP2003183185A/ja active Pending
- 2002-10-11 CN CNB021475067A patent/CN1297532C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE60226825D1 (de) | 2008-07-10 |
| CN1412172A (zh) | 2003-04-23 |
| EP1304320A2 (en) | 2003-04-23 |
| EP1304320B1 (en) | 2008-05-28 |
| EP1304320A3 (en) | 2003-08-06 |
| CN1297532C (zh) | 2007-01-31 |
| JP2003183185A (ja) | 2003-07-03 |
| US6518454B1 (en) | 2003-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |