JP2001512722A - L−アスコルビン酸の製造方法 - Google Patents
L−アスコルビン酸の製造方法Info
- Publication number
- JP2001512722A JP2001512722A JP2000506195A JP2000506195A JP2001512722A JP 2001512722 A JP2001512722 A JP 2001512722A JP 2000506195 A JP2000506195 A JP 2000506195A JP 2000506195 A JP2000506195 A JP 2000506195A JP 2001512722 A JP2001512722 A JP 2001512722A
- Authority
- JP
- Japan
- Prior art keywords
- acid
- keto
- gulonic
- ascorbic acid
- producing
- 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.)
- Pending
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19734086A DE19734086C1 (de) | 1997-08-07 | 1997-08-07 | Verfahren zur Herstellung von L-Ascorbinsäure |
DE19734086.5 | 1997-08-07 | ||
PCT/EP1998/004649 WO1999007691A2 (de) | 1997-08-07 | 1998-07-24 | Verfahren zur herstellung von l-ascorbinsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2001512722A true JP2001512722A (ja) | 2001-08-28 |
Family
ID=7838185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000506195A Pending JP2001512722A (ja) | 1997-08-07 | 1998-07-24 | L−アスコルビン酸の製造方法 |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP1001952A2 (de) |
JP (1) | JP2001512722A (de) |
KR (1) | KR20010022595A (de) |
CN (1) | CN1265655A (de) |
AR (1) | AR010938A1 (de) |
AU (1) | AU9156298A (de) |
BR (1) | BR9811855A (de) |
CA (1) | CA2299364A1 (de) |
CO (1) | CO4770883A1 (de) |
DE (1) | DE19734086C1 (de) |
ID (1) | ID25547A (de) |
WO (1) | WO1999007691A2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19904821C1 (de) * | 1999-02-05 | 2000-07-06 | Merck Patent Gmbh | Verfahren zur Herstellung von L-Ascobinsäure |
DE19919203A1 (de) | 1999-04-28 | 2000-11-02 | Basf Ag | Verfahren zur Herstellung von L-Ascorbinsäure |
DE19954511A1 (de) | 1999-11-12 | 2001-05-17 | Basf Ag | Verfahren zur Herstellung von Alkalisalzen der L-Ascorbinsäure |
DE10022518A1 (de) * | 2000-05-10 | 2001-11-15 | Basf Ag | Verfahren zur Herstellung von L-Ascorbinsäure durch Lactonisierung von 2-Keto-L-gulonsäure oder 2-Keto-L-gulonsäureestern |
JP2004516319A (ja) | 2000-12-22 | 2004-06-03 | イーストマン ケミカル カンパニー | 亜硫酸塩の存在下でのアスコルビン酸の製造方法 |
ATE295843T1 (de) | 2000-12-22 | 2005-06-15 | Eastman Chem Co | Kontinuierliches verfahren zur herstellung von l- ascorbinsäure |
CA2443766A1 (en) * | 2001-04-10 | 2002-10-24 | Danisco Usa, Inc. | Polymerization of mono and disaccharides with monocarboxylic acids and lactones |
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 |
CN111018815A (zh) * | 2019-12-29 | 2020-04-17 | 安徽丰原发酵技术工程研究有限公司 | 一种通过溶剂萃取提高盐酸浓度制备维生素c的方法 |
CN111087373A (zh) * | 2019-12-29 | 2020-05-01 | 安徽丰原发酵技术工程研究有限公司 | 一种酸法制备维生素c的方法 |
CN114369075B (zh) * | 2022-02-14 | 2023-09-29 | 河北乐开节能科技股份有限公司 | 利用2-酮基-l-古龙酸的水溶液一步制备vc结晶的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2462251A (en) * | 1945-05-16 | 1949-02-22 | Merck & Co Inc | Process for preparing ascorbic acids |
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 |
-
1997
- 1997-08-07 DE DE19734086A patent/DE19734086C1/de not_active Expired - Fee Related
-
1998
- 1998-07-24 WO PCT/EP1998/004649 patent/WO1999007691A2/de not_active Application Discontinuation
- 1998-07-24 JP JP2000506195A patent/JP2001512722A/ja active Pending
- 1998-07-24 EP EP98943779A patent/EP1001952A2/de not_active Withdrawn
- 1998-07-24 CA CA002299364A patent/CA2299364A1/en not_active Abandoned
- 1998-07-24 BR BR9811855-2A patent/BR9811855A/pt not_active Application Discontinuation
- 1998-07-24 AU AU91562/98A patent/AU9156298A/en not_active Abandoned
- 1998-07-24 CN CN98807955A patent/CN1265655A/zh active Pending
- 1998-07-24 KR KR1020007001187A patent/KR20010022595A/ko not_active Application Discontinuation
- 1998-07-24 ID IDW20000174A patent/ID25547A/id unknown
- 1998-08-06 CO CO98045322A patent/CO4770883A1/es unknown
- 1998-08-07 AR ARP980103913A patent/AR010938A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
EP1001952A2 (de) | 2000-05-24 |
CA2299364A1 (en) | 1999-02-18 |
WO1999007691A3 (de) | 1999-04-08 |
ID25547A (id) | 2000-10-12 |
AR010938A1 (es) | 2000-07-12 |
AU9156298A (en) | 1999-03-01 |
CO4770883A1 (es) | 1999-04-30 |
WO1999007691A2 (de) | 1999-02-18 |
DE19734086C1 (de) | 1998-08-13 |
CN1265655A (zh) | 2000-09-06 |
KR20010022595A (ko) | 2001-03-26 |
BR9811855A (pt) | 2000-08-15 |
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