DK3589A - Fremgangsmaade til fremstilling af l-ascorbinsyre - Google Patents
Fremgangsmaade til fremstilling af l-ascorbinsyreInfo
- Publication number
- DK3589A DK3589A DK003589A DK3589A DK3589A DK 3589 A DK3589 A DK 3589A DK 003589 A DK003589 A DK 003589A DK 3589 A DK3589 A DK 3589A DK 3589 A DK3589 A DK 3589A
- Authority
- DK
- Denmark
- Prior art keywords
- preparing
- ascorbic acid
- ascorbic
- acid
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14209888A | 1988-01-06 | 1988-01-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK3589D0 DK3589D0 (da) | 1989-01-05 |
| DK3589A true DK3589A (da) | 1989-07-07 |
Family
ID=22498548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK003589A DK3589A (da) | 1988-01-06 | 1989-01-05 | Fremgangsmaade til fremstilling af l-ascorbinsyre |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0324261A1 (da) |
| JP (1) | JPH01213275A (da) |
| CN (1) | CN1035665A (da) |
| AU (1) | AU608929B2 (da) |
| DK (1) | DK3589A (da) |
| MX (1) | MX169971B (da) |
| YU (1) | YU1389A (da) |
| ZA (1) | ZA8986B (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08188578A (ja) * | 1994-11-11 | 1996-07-23 | Takeda Chem Ind Ltd | Ｌ−アスコルビン酸の製造方法 |
| DE19547073C1 (de) * | 1995-12-16 | 1996-11-14 | Merck Patent Gmbh | Verfahren zur Herstellung von Ascorbinsäure |
| US6740762B2 (en) * | 2001-08-24 | 2004-05-25 | Eastman Chemical Company | Process for ascorbic acids using alkaline earth silicate catalysts |
Family Cites Families (3)
| 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 |
| 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 |
| EP0264649B1 (en) * | 1986-10-01 | 1990-12-19 | Air Products And Chemicals, Inc. | Manufacture of high molecular weight poly(n-vinylamides) and poly(vinylamines) by inverse emulsion polymerization |
-
1988
- 1988-12-22 EP EP88312161A patent/EP0324261A1/en not_active Withdrawn
-
1989
- 1989-01-05 CN CN89100127A patent/CN1035665A/zh active Pending
- 1989-01-05 ZA ZA8986A patent/ZA8986B/xx unknown
- 1989-01-05 YU YU00013/89A patent/YU1389A/xx unknown
- 1989-01-05 AU AU27745/89A patent/AU608929B2/en not_active Ceased
- 1989-01-05 DK DK003589A patent/DK3589A/da not_active Application Discontinuation
- 1989-01-05 MX MX1444389A patent/MX169971B/es unknown
- 1989-01-06 JP JP64001142A patent/JPH01213275A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01213275A (ja) | 1989-08-28 |
| ZA8986B (en) | 1990-08-29 |
| YU1389A (en) | 1990-06-30 |
| EP0324261A1 (en) | 1989-07-19 |
| AU608929B2 (en) | 1991-04-18 |
| CN1035665A (zh) | 1989-09-20 |
| AU2774589A (en) | 1989-07-06 |
| DK3589D0 (da) | 1989-01-05 |
| MX169971B (es) | 1993-08-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |