CH490368A - Procédé de production de vitamine C - Google Patents
Procédé de production de vitamine CInfo
- Publication number
- CH490368A CH490368A CH97469A CH97469A CH490368A CH 490368 A CH490368 A CH 490368A CH 97469 A CH97469 A CH 97469A CH 97469 A CH97469 A CH 97469A CH 490368 A CH490368 A CH 490368A
- Authority
- CH
- Switzerland
- Prior art keywords
- vitamin
- production process
- production
- 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 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 title 1
- 229930003268 Vitamin C Natural products 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 235000019154 vitamin C Nutrition 0.000 title 1
- 239000011718 vitamin C Substances 0.000 title 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL12501368A PL69743B1 (cs) | 1968-02-01 | 1968-02-01 | |
| PL12501568A PL69744B1 (cs) | 1968-02-01 | 1968-02-01 | |
| PL13020568A PL69740B1 (cs) | 1968-11-23 | 1968-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH490368A true CH490368A (fr) | 1970-05-15 |
Family
ID=27354018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH97469A CH490368A (fr) | 1968-02-01 | 1969-01-22 | Procédé de production de vitamine C |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS4830273B1 (cs) |
| AT (1) | AT308290B (cs) |
| CH (1) | CH490368A (cs) |
| CS (1) | CS169787B2 (cs) |
| DE (1) | DE1904619C3 (cs) |
| DK (1) | DK131467C (cs) |
| ES (1) | ES363151A1 (cs) |
| FR (1) | FR2001090A1 (cs) |
| GB (1) | GB1222322A (cs) |
| SE (1) | SE363322B (cs) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58177986A (ja) * | 1982-04-09 | 1983-10-18 | Shionogi & Co Ltd | Ｌ−アスコルビン酸の製造方法 |
| ES2061395B1 (es) * | 1993-02-09 | 1995-12-16 | Velasco Clemente Jesus Sanchez | Carburador de inyeccion adicional variable de aire y combustible, controlado mediante embolo diferencial fijado a corredera con movimiento lineal directo. |
| DE19938980A1 (de) | 1999-08-19 | 2001-02-22 | Basf Ag | Verfahren zur Herstellung von 2-Keto-L-gulonsäureestern |
| 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 |
| DE60113158T2 (de) | 2000-12-22 | 2006-06-08 | Eastman Chemical Co., Kingsport | Verfahren zur herstellung von ascorbinsäure in gegenwart eines sulfits |
| MXPA03005640A (es) * | 2000-12-22 | 2003-10-06 | Eastman Chem Co | Proceso continuo para producir acido l-ascorbico. |
| 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 |
| DE10231890B4 (de) | 2002-07-12 | 2004-07-01 | Basf Ag | Verfahren zur Abtrennung von Ascorbinsäure aus einem polaren, Ascorbinsäure und 2-Keto-L-gulonsäure enthaltenden Lösungsmittel |
-
1969
- 1969-01-22 CH CH97469A patent/CH490368A/fr not_active IP Right Cessation
- 1969-01-24 FR FR6901434A patent/FR2001090A1/fr not_active Withdrawn
- 1969-01-27 AT AT79869A patent/AT308290B/de not_active IP Right Cessation
- 1969-01-30 DK DK51269A patent/DK131467C/da active
- 1969-01-30 DE DE19691904619 patent/DE1904619C3/de not_active Expired
- 1969-01-31 JP JP677369A patent/JPS4830273B1/ja active Pending
- 1969-01-31 ES ES363151A patent/ES363151A1/es not_active Expired
- 1969-01-31 SE SE132669A patent/SE363322B/xx unknown
- 1969-01-31 CS CS62569A patent/CS169787B2/cs unknown
- 1969-02-03 GB GB559569A patent/GB1222322A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AT308290B (de) | 1973-06-25 |
| FR2001090A1 (cs) | 1969-09-26 |
| GB1222322A (en) | 1971-02-10 |
| DK131467C (da) | 1976-02-09 |
| SE363322B (cs) | 1974-01-14 |
| DK131467B (da) | 1975-07-21 |
| CS169787B2 (cs) | 1976-07-29 |
| DE1904619A1 (de) | 1970-08-27 |
| DE1904619B2 (de) | 1974-10-31 |
| DE1904619C3 (de) | 1975-06-12 |
| ES363151A1 (es) | 1970-11-16 |
| JPS4830273B1 (cs) | 1973-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BE759208A (fr) | Procede de preparation continue de | |
| BR6908845D0 (pt) | Processo para a producao de preparacoes de vitaminas conservaveis | |
| CH518279A (it) | Procedimento per produrre isocromani | |
| FR1474343A (fr) | Procédé de production de polyéthers | |
| CH490368A (fr) | Procédé de production de vitamine C | |
| CH540929A (fr) | Procédé de production de 5-iodo-désoxy-uridine | |
| AT317850B (de) | Kontinuierliches Kristallisationsverfahren | |
| BE745450A (fr) | Procede de production de 4-alkylprolines | |
| FR1499681A (fr) | Procédé de production de comprimés | |
| BE750071A (fr) | Procede de tricotage | |
| FR2000409A1 (fr) | Procede pour empecher la coloration de la vitamine c | |
| FR1471895A (fr) | Procédé de production de chlorométhanes | |
| CH515330A (fr) | Procédé pour la production de maltose | |
| BE763792A (fr) | Procede de production de coacervats | |
| BE761633A (fr) | Procede de production de 1-aryloxy-2-propanols | |
| FR1503402A (fr) | Procédé de préparation de la vitamine b | |
| CH475207A (fr) | Procédé de production de y-hydroxybutyronitrile | |
| BE745654A (fr) | Procede de preparation de dehydrolinalol | |
| FR1471135A (fr) | Procédé de production de complexes de pi-allyle | |
| FR1487908A (fr) | Procédé de production de la l-glutamine | |
| FR1533688A (fr) | Procédé de production de l-lysine | |
| CH495426A (fr) | Procédé de préparation de la triénine | |
| BE744178A (fr) | Procede de preparation de 6-hexanolactame | |
| FR1505118A (fr) | Procédé de fabrication de la vitamine b6 | |
| FR1519691A (fr) | Procédé de production de cryolithe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |