DK1149084T3 - Fremgangsmåde til fremstilling af L-ascorbinsyre - Google Patents
Fremgangsmåde til fremstilling af L-ascorbinsyreInfo
- Publication number
- DK1149084T3 DK1149084T3 DK00903599T DK00903599T DK1149084T3 DK 1149084 T3 DK1149084 T3 DK 1149084T3 DK 00903599 T DK00903599 T DK 00903599T DK 00903599 T DK00903599 T DK 00903599T DK 1149084 T3 DK1149084 T3 DK 1149084T3
- Authority
- DK
- Denmark
- Prior art keywords
- ascorbic acid
- preparing
- keto
- water
- hydrogen halide
- Prior art date
Links
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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19904821A DE19904821C1 (de) | 1999-02-05 | 1999-02-05 | Verfahren zur Herstellung von L-Ascobinsäure |
| PCT/EP2000/000442 WO2000046216A1 (de) | 1999-02-05 | 2000-01-21 | Verfahren zur herstellung von l-ascorbinsäure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK1149084T3 true DK1149084T3 (da) | 2003-12-08 |
Family
ID=7896616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK00903599T DK1149084T3 (da) | 1999-02-05 | 2000-01-21 | Fremgangsmåde til fremstilling af L-ascorbinsyre |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6573393B1 (da) |
| EP (1) | EP1149084B1 (da) |
| JP (1) | JP5276241B2 (da) |
| CN (1) | CN1339030A (da) |
| AT (1) | ATE249450T1 (da) |
| AU (1) | AU2542400A (da) |
| CA (1) | CA2362555A1 (da) |
| DE (2) | DE19904821C1 (da) |
| DK (1) | DK1149084T3 (da) |
| ES (1) | ES2204506T3 (da) |
| WO (1) | WO2000046216A1 (da) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002051826A1 (en) * | 2000-12-22 | 2002-07-04 | Eastman Chemical Company | Continuous process for producing l-ascorbic acid |
| US6864376B2 (en) | 2000-12-22 | 2005-03-08 | Eastman Chemical Company | Process for producing ascorbic acid |
| US6740762B2 (en) | 2001-08-24 | 2004-05-25 | Eastman Chemical Company | Process for ascorbic acids using alkaline earth silicate catalysts |
| US6716997B1 (en) | 2001-10-09 | 2004-04-06 | Eastman Chemical Company | Systems and methods for generation of ascorbic acid with reduced color |
| CN104693160B (zh) * | 2015-02-16 | 2016-10-05 | 安徽泰格生物技术股份有限公司 | 一种维生素c的制备方法 |
| CN110372649A (zh) * | 2019-08-08 | 2019-10-25 | 安徽丰原发酵技术工程研究有限公司 | 一种以古龙酸为原料的一步酸法制备维生素c的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD141832A1 (de) * | 1978-10-31 | 1980-05-21 | Joachim Schmidt | Verfahren und vorrichtung zur herstellung von l-ascorbinsaeure |
| 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 |
| DE19734086C1 (de) * | 1997-08-07 | 1998-08-13 | Merck Patent Gmbh | Verfahren zur Herstellung von L-Ascorbinsäure |
-
1999
- 1999-02-05 DE DE19904821A patent/DE19904821C1/de not_active Expired - Fee Related
-
2000
- 2000-01-21 EP EP00903599A patent/EP1149084B1/de not_active Expired - Lifetime
- 2000-01-21 AT AT00903599T patent/ATE249450T1/de not_active IP Right Cessation
- 2000-01-21 US US09/890,788 patent/US6573393B1/en not_active Expired - Lifetime
- 2000-01-21 JP JP2000597286A patent/JP5276241B2/ja not_active Expired - Lifetime
- 2000-01-21 WO PCT/EP2000/000442 patent/WO2000046216A1/de active IP Right Grant
- 2000-01-21 AU AU25424/00A patent/AU2542400A/en not_active Abandoned
- 2000-01-21 DE DE50003633T patent/DE50003633D1/de not_active Expired - Fee Related
- 2000-01-21 ES ES00903599T patent/ES2204506T3/es not_active Expired - Lifetime
- 2000-01-21 DK DK00903599T patent/DK1149084T3/da active
- 2000-01-21 CA CA002362555A patent/CA2362555A1/en not_active Abandoned
- 2000-01-21 CN CN00803396A patent/CN1339030A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE19904821C1 (de) | 2000-07-06 |
| EP1149084B1 (de) | 2003-09-10 |
| US6573393B1 (en) | 2003-06-03 |
| EP1149084A1 (de) | 2001-10-31 |
| WO2000046216A1 (de) | 2000-08-10 |
| CN1339030A (zh) | 2002-03-06 |
| ES2204506T3 (es) | 2004-05-01 |
| JP5276241B2 (ja) | 2013-08-28 |
| DE50003633D1 (de) | 2003-10-16 |
| AU2542400A (en) | 2000-08-25 |
| ATE249450T1 (de) | 2003-09-15 |
| CA2362555A1 (en) | 2000-08-10 |
| JP2002536371A (ja) | 2002-10-29 |
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