CH618693A5 - Process for the preparation of a mono- or di-alkali metal salt or an alkaline earth metal salt of L-ascorbic acid-2-sulphate and use thereof - Google Patents
Process for the preparation of a mono- or di-alkali metal salt or an alkaline earth metal salt of L-ascorbic acid-2-sulphate and use thereof Download PDFInfo
- Publication number
- CH618693A5 CH618693A5 CH1491974A CH1491974A CH618693A5 CH 618693 A5 CH618693 A5 CH 618693A5 CH 1491974 A CH1491974 A CH 1491974A CH 1491974 A CH1491974 A CH 1491974A CH 618693 A5 CH618693 A5 CH 618693A5
- Authority
- CH
- Switzerland
- Prior art keywords
- ascorbic acid
- salt
- sulfate
- solution
- metal salt
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Furan Compounds (AREA)
- Cosmetics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/711,410 US4071534A (en) | 1973-11-07 | 1976-08-03 | Process for producing l-ascorbic acid-2-sulfate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48124395A JPS5076065A (fr) | 1973-11-07 | 1973-11-07 | |
JP48124951A JPS5752344B2 (fr) | 1973-11-08 | 1973-11-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH618693A5 true CH618693A5 (en) | 1980-08-15 |
Family
ID=26461078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1491974A CH618693A5 (en) | 1973-11-07 | 1974-11-06 | Process for the preparation of a mono- or di-alkali metal salt or an alkaline earth metal salt of L-ascorbic acid-2-sulphate and use thereof |
Country Status (6)
Country | Link |
---|---|
CA (1) | CA1056838A (fr) |
CH (1) | CH618693A5 (fr) |
DE (1) | DE2452719C3 (fr) |
FR (1) | FR2249667B1 (fr) |
GB (2) | GB1452845A (fr) |
SU (1) | SU582763A3 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1489734A (en) * | 1975-04-08 | 1977-10-26 | Nippon Chemiphar Co | Ascorbic acid derivative and pharmaceutical compositions containing the same |
CH679151A5 (de) * | 1989-07-17 | 1991-12-31 | Enco Eng Ag | Verfahren zur herstellung von dikalium-ascorbat-2-sulfat. |
WO1991013068A1 (fr) * | 1990-03-01 | 1991-09-05 | Enco Engineering Chur Ag | Procede de fabrication de sulfate-2 dihydrate d'ascorbate dipotassique |
-
1974
- 1974-10-29 GB GB3484575A patent/GB1452845A/en not_active Expired
- 1974-10-29 GB GB4676074A patent/GB1452844A/en not_active Expired
- 1974-11-04 CA CA212,951A patent/CA1056838A/fr not_active Expired
- 1974-11-06 SU SU7402075017A patent/SU582763A3/ru active
- 1974-11-06 CH CH1491974A patent/CH618693A5/de not_active IP Right Cessation
- 1974-11-06 DE DE2452719A patent/DE2452719C3/de not_active Expired
- 1974-11-06 FR FR7436797A patent/FR2249667B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2249667A1 (fr) | 1975-05-30 |
DE2452719B2 (de) | 1981-04-16 |
FR2249667B1 (fr) | 1982-07-09 |
DE2452719C3 (de) | 1982-04-22 |
SU582763A3 (ru) | 1977-11-30 |
GB1452845A (en) | 1976-10-20 |
GB1452844A (en) | 1976-10-20 |
DE2452719A1 (de) | 1975-05-15 |
CA1056838A (fr) | 1979-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |