DK0711764T3 - Fremgangsmåde til fremstilling af L-ascorbinsyre - Google Patents
Fremgangsmåde til fremstilling af L-ascorbinsyreInfo
- Publication number
- DK0711764T3 DK0711764T3 DK95117646T DK95117646T DK0711764T3 DK 0711764 T3 DK0711764 T3 DK 0711764T3 DK 95117646 T DK95117646 T DK 95117646T DK 95117646 T DK95117646 T DK 95117646T DK 0711764 T3 DK0711764 T3 DK 0711764T3
- Authority
- DK
- Denmark
- Prior art keywords
- ascorbic acid
- preparation
- acid
- ether
- keto
- Prior art date
Links
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 title abstract 4
- 239000002211 L-ascorbic acid Substances 0.000 title abstract 2
- 235000000069 L-ascorbic acid Nutrition 0.000 title abstract 2
- 229960005070 ascorbic acid Drugs 0.000 title abstract 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 4
- 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 1
- 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 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
- C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
- C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D307/62—Three oxygen atoms, e.g. ascorbic acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27731494 | 1994-11-11 | ||
| JP7228887A JPH08188578A (ja) | 1994-11-11 | 1995-09-06 | Ｌ−アスコルビン酸の製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK0711764T3 true DK0711764T3 (da) | 1998-11-16 |
Family
ID=26528514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK95117646T DK0711764T3 (da) | 1994-11-11 | 1995-11-09 | Fremgangsmåde til fremstilling af L-ascorbinsyre |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5637734A (da) |
| EP (1) | EP0711764B1 (da) |
| JP (1) | JPH08188578A (da) |
| CN (1) | CN1055689C (da) |
| AT (1) | ATE167674T1 (da) |
| DE (1) | DE69503106T2 (da) |
| DK (1) | DK0711764T3 (da) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547073C1 (de) * | 1995-12-16 | 1996-11-14 | Merck Patent Gmbh | Verfahren zur Herstellung von Ascorbinsäure |
| US5846683A (en) * | 1996-04-08 | 1998-12-08 | Sharp Kabushiki Kaisha | Toner producing method using recycled extra-fine toner particles |
| ATE295843T1 (de) * | 2000-12-22 | 2005-06-15 | Eastman Chem Co | Kontinuierliches verfahren zur herstellung von l- ascorbinsäure |
| US6476239B1 (en) * | 2002-02-12 | 2002-11-05 | Eastman Chemical Company | Process for the preparation of ascorbic acid |
| US6872314B2 (en) * | 2003-08-29 | 2005-03-29 | Eastman Chemical Company | Dewatering process |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB466548A (en) * | 1935-11-26 | 1937-05-31 | Tadeus Reichstein | Process for the manufacture of laevo-ascorbic acid (vitamin-c) |
| US2462251A (en) | 1945-05-16 | 1949-02-22 | Merck & Co Inc | Process for preparing ascorbic acids |
| JPS4815931B1 (da) | 1970-10-05 | 1973-05-18 | ||
| EP0086324B1 (de) * | 1982-02-12 | 1988-09-21 | F. HOFFMANN-LA ROCHE & CO. Aktiengesellschaft | Verfahren zur Herstellung von Ascorbinsäure |
| IL89242A (en) | 1983-06-28 | 1990-08-31 | Genentech Inc | Process for producing a recombinant microorganism capable of converting glucose into 2-keto-l-gulonic acid,the microorganism obtained by said process and its use in converting glucose into 2-keto-l-gulonic acid |
| CN86105960A (zh) | 1985-08-09 | 1987-05-13 | 鲁布里佐尔公司 | 在基本无水条件下从2-酮-l-古洛糖酸制备l-抗坏血酸 |
| DE3819045C2 (de) * | 1987-06-08 | 1997-06-19 | Takeda Chemical Industries Ltd | Herstellung von L-Ascorbinsäure |
| JP2667201B2 (ja) | 1987-06-08 | 1997-10-27 | 武田薬品工業株式会社 | Ｌ−アスコルビン酸の製造法 |
| EP0324261A1 (en) * | 1988-01-06 | 1989-07-19 | Pfizer Inc. | Production of L-ascorbic acid from 2-keto-L-gulonic acid with an acid catalyst and a lipophilic surfactant having a low hydrophilic: lipophilic balance under substantially anhydrous conditions |
-
1995
- 1995-09-06 JP JP7228887A patent/JPH08188578A/ja active Pending
- 1995-11-03 US US08/553,027 patent/US5637734A/en not_active Expired - Fee Related
- 1995-11-09 AT AT95117646T patent/ATE167674T1/de not_active IP Right Cessation
- 1995-11-09 DE DE69503106T patent/DE69503106T2/de not_active Expired - Lifetime
- 1995-11-09 DK DK95117646T patent/DK0711764T3/da active
- 1995-11-09 EP EP95117646A patent/EP0711764B1/en not_active Expired - Lifetime
- 1995-11-10 CN CN95119217A patent/CN1055689C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1129699A (zh) | 1996-08-28 |
| ATE167674T1 (de) | 1998-07-15 |
| EP0711764A1 (en) | 1996-05-15 |
| EP0711764B1 (en) | 1998-06-24 |
| CN1055689C (zh) | 2000-08-23 |
| JPH08188578A (ja) | 1996-07-23 |
| DE69503106T2 (de) | 1999-02-25 |
| DE69503106D1 (de) | 1998-07-30 |
| US5637734A (en) | 1997-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK489686A (da) | Fremgangsmaade til fremstilling af 2-keto-l-gulonsyre | |
| DK0535940T3 (da) | Fremgangsmåde til fremstilling af dihomo-gamma-linolensyre og et lipid indeholdende samme | |
| FI902710A0 (fi) | Pyranylcyanoguanidinderivat. | |
| DE59602236D1 (de) | Verfahren zur Herstellung von Ascorbinsäure | |
| DK0711764T3 (da) | Fremgangsmåde til fremstilling af L-ascorbinsyre | |
| FI812099L (fi) | Beta-hydroxi-smoersyra och framstaellning av dess oligokondensater | |
| DE69102254D1 (de) | Produktion von Glycidylverbindungen. | |
| IT1138182B (it) | Procedimento per produrre etilen glicole mediante reazione di metanolo,di un perossido organico e di formaldeide | |
| DK0445891T3 (da) | Fremgangsmåde til fremstilling af organiske carbonater | |
| EP0331745A4 (en) | Ferrocene derivatives, surfactants containing same, and process for producing thin organic film | |
| DK0476442T3 (da) | L-gulono-gamma-lactondehydrogenase | |
| IT1318624B1 (it) | Processo per la preparazione di 2-fenil-imidazo (1,2-a)piridin-3-acetammidi. | |
| DK211189A (da) | Fremgangsmaade til fremstilling af 5-chlor-3-chlorsulfonyl-2-thiophencarboxylsyreestere | |
| DK0483459T3 (da) | Fremgangsmåde til fremstilling af phosphatidylcholinderivater | |
| BR9403456A (pt) | Processo para preparação de ácido 4,4 -dinitroestilbeno-2,2 -dissulfônico | |
| DK0812847T3 (da) | Fremgangsmåde til fremstilling af 5-brom-2-fluorbenzenboronsyre | |
| DK0576228T3 (da) | Fremgangsmåde til fremstilling af beta-anomer-berigede 2-deoxy-2,2-difluor-D-ribofuranosyl-arylsulfonater | |
| DK0662475T3 (da) | Fremgangsmåde til fremstilling af 2-perfluoralkyl-3-oxazolin-5-on. | |
| DE59405089D1 (de) | Verfahren zur Herstellung von 4,5-Difluorbenzaldehyden | |
| ATE158275T1 (de) | Herstellung von pivaloylhydrazid | |
| DK0916659T3 (da) | Fremgangsmåde til fremstilling af formylimidazoler | |
| DE69101790D1 (de) | Verfahren zur Herstellung von Vitamin A Aldehyd. | |
| DK589185D0 (da) | Fremgangsmaade til fremstilling af monochlorhydroquinoner ved chlorering af hydroquinon | |
| DK0406065T3 (da) | Fremgangsmåde til fremstilling af pseudo-ionon | |
| FI873699L (fi) | Urdamucin g och dess derivat, deras framstaellningsfoerfaranden och anvaendning. |