NO881936D0 - PROCEDURE FOR TREATMENT OF L-ASCORBIC ACID DERIVATIVES. - Google Patents
PROCEDURE FOR TREATMENT OF L-ASCORBIC ACID DERIVATIVES.Info
- Publication number
- NO881936D0 NO881936D0 NO881936A NO881936A NO881936D0 NO 881936 D0 NO881936 D0 NO 881936D0 NO 881936 A NO881936 A NO 881936A NO 881936 A NO881936 A NO 881936A NO 881936 D0 NO881936 D0 NO 881936D0
- Authority
- NO
- Norway
- Prior art keywords
- procedure
- treatment
- ascorbic acid
- acid derivatives
- derivatives
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH167687 | 1987-05-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO881936D0 true NO881936D0 (en) | 1988-05-03 |
NO881936L NO881936L (en) | 1988-11-07 |
Family
ID=4215991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO881936A NO881936L (en) | 1987-05-04 | 1988-05-03 | PROCEDURE FOR THE PREPARATION OF L-ASCORBIC ACID DERIVATIVES. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0289894A1 (en) |
JP (1) | JPS63297375A (en) |
KR (1) | KR880013913A (en) |
CN (1) | CN88102718A (en) |
DK (1) | DK227188A (en) |
NO (1) | NO881936L (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991013068A1 (en) * | 1990-03-01 | 1991-09-05 | Enco Engineering Chur Ag | Process for the production of dipostassium ascorbate-2-sulphate |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US278831A (en) * | 1883-06-05 | Car-signal | ||
US3954809A (en) * | 1973-01-22 | 1976-05-04 | Kansas State University Research Foundation | Preparation of l-ascorbate 2-sulfate from l-ascorbic acid |
US4071534A (en) * | 1973-11-07 | 1978-01-31 | Kumiai Chemical Industry Co., Ltd. | Process for producing l-ascorbic acid-2-sulfate |
-
1988
- 1988-04-23 EP EP88106550A patent/EP0289894A1/en not_active Withdrawn
- 1988-04-26 DK DK227188A patent/DK227188A/en not_active Application Discontinuation
- 1988-05-02 JP JP63107721A patent/JPS63297375A/en active Pending
- 1988-05-03 CN CN198888102718A patent/CN88102718A/en active Pending
- 1988-05-03 KR KR1019880005133A patent/KR880013913A/en not_active Application Discontinuation
- 1988-05-03 NO NO881936A patent/NO881936L/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0289894A1 (en) | 1988-11-09 |
JPS63297375A (en) | 1988-12-05 |
DK227188A (en) | 1988-11-05 |
NO881936L (en) | 1988-11-07 |
DK227188D0 (en) | 1988-04-26 |
KR880013913A (en) | 1988-12-22 |
CN88102718A (en) | 1988-11-16 |
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