AR010938A1 - Procedimiento para preparar acido l-ascorbico. - Google Patents
Procedimiento para preparar acido l-ascorbico.Info
- Publication number
- AR010938A1 AR010938A1 ARP980103913A ARP980103913A AR010938A1 AR 010938 A1 AR010938 A1 AR 010938A1 AR P980103913 A ARP980103913 A AR P980103913A AR P980103913 A ARP980103913 A AR P980103913A AR 010938 A1 AR010938 A1 AR 010938A1
- Authority
- AR
- Argentina
- Prior art keywords
- acid
- ascorbic acid
- prepare
- procedure
- keto
- 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
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)
Abstract
Un procedimiento para preparar ácido L-ascorbico por reaccion del ácido 2-ceto-L-gulonico con un ácido mineral concentrado, a una temperaturacomprendida entre 40 y 80°C. El procedimiento del invento permite obtener altos rendimientos de ácido L-ascorbico por lactonizacion del ácido 2-ceto-gulonicocon un ácido mineral concentrado con un menor consumo de energía y una menor contaminacion del medio ambiente. Frente a los procedimientos del estado de latécnica, el procedimiento del invento también presenta la ventaja de que permite trabajar en ausencia de disolventes orgánicos.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19734086A DE19734086C1 (de) | 1997-08-07 | 1997-08-07 | Verfahren zur Herstellung von L-Ascorbinsäure |
Publications (1)
Publication Number | Publication Date |
---|---|
AR010938A1 true AR010938A1 (es) | 2000-07-12 |
Family
ID=7838185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP980103913A AR010938A1 (es) | 1997-08-07 | 1998-08-07 | Procedimiento para preparar acido l-ascorbico. |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP1001952A2 (es) |
JP (1) | JP2001512722A (es) |
KR (1) | KR20010022595A (es) |
CN (1) | CN1265655A (es) |
AR (1) | AR010938A1 (es) |
AU (1) | AU9156298A (es) |
BR (1) | BR9811855A (es) |
CA (1) | CA2299364A1 (es) |
CO (1) | CO4770883A1 (es) |
DE (1) | DE19734086C1 (es) |
ID (1) | ID25547A (es) |
WO (1) | WO1999007691A2 (es) |
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 |
US6610863B2 (en) | 2000-12-22 | 2003-08-26 | Eastman Chemical Company | Continuous process for producing L-ascorbic acid |
WO2002051827A1 (en) | 2000-12-22 | 2002-07-04 | Eastman Chemical Company | Process for producing ascorbic acid in the presence of a sulfit |
EP1377594A4 (en) * | 2001-04-10 | 2004-06-30 | Danisco Usa Inc | POLYMERIZATION OF MONO AND DISACCHARIDES WITH MONOCARBOXYLIC ACIDS AND LACTONS |
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 |
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 |
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 |
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 JP JP2000506195A patent/JP2001512722A/ja active Pending
- 1998-07-24 BR BR9811855-2A patent/BR9811855A/pt not_active Application Discontinuation
- 1998-07-24 WO PCT/EP1998/004649 patent/WO1999007691A2/de not_active Application Discontinuation
- 1998-07-24 ID IDW20000174A patent/ID25547A/id unknown
- 1998-07-24 EP EP98943779A patent/EP1001952A2/de not_active Withdrawn
- 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 CA CA002299364A patent/CA2299364A1/en not_active Abandoned
- 1998-07-24 KR KR1020007001187A patent/KR20010022595A/ko not_active Application Discontinuation
- 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 |
---|---|
CA2299364A1 (en) | 1999-02-18 |
BR9811855A (pt) | 2000-08-15 |
ID25547A (id) | 2000-10-12 |
AU9156298A (en) | 1999-03-01 |
CO4770883A1 (es) | 1999-04-30 |
EP1001952A2 (de) | 2000-05-24 |
CN1265655A (zh) | 2000-09-06 |
WO1999007691A2 (de) | 1999-02-18 |
DE19734086C1 (de) | 1998-08-13 |
KR20010022595A (ko) | 2001-03-26 |
JP2001512722A (ja) | 2001-08-28 |
WO1999007691A3 (de) | 1999-04-08 |
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