DK227188A - Fremgangsmaade til fremstilling af lactonderivater - Google Patents
Fremgangsmaade til fremstilling af lactonderivaterInfo
- Publication number
- DK227188A DK227188A DK227188A DK227188A DK227188A DK 227188 A DK227188 A DK 227188A DK 227188 A DK227188 A DK 227188A DK 227188 A DK227188 A DK 227188A DK 227188 A DK227188 A DK 227188A
- Authority
- DK
- Denmark
- Prior art keywords
- lacton
- derivatives
- preparing
- preparing lacton
- lacton 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Furan Compounds (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH167687 | 1987-05-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK227188D0 DK227188D0 (da) | 1988-04-26 |
| DK227188A true DK227188A (da) | 1988-11-05 |
Family
ID=4215991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK227188A DK227188A (da) | 1987-05-04 | 1988-04-26 | Fremgangsmaade til fremstilling af lactonderivater |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0289894A1 (no) |
| JP (1) | JPS63297375A (no) |
| KR (1) | KR880013913A (no) |
| CN (1) | CN88102718A (no) |
| DK (1) | DK227188A (no) |
| NO (1) | NO881936L (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991013068A1 (de) * | 1990-03-01 | 1991-09-05 | Enco Engineering Chur Ag | Verfahren zur herstellung von dikalium-ascorbat-2-sulfat |
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/de not_active Withdrawn
- 1988-04-26 DK DK227188A patent/DK227188A/da not_active Application Discontinuation
- 1988-05-02 JP JP63107721A patent/JPS63297375A/ja active Pending
- 1988-05-03 NO NO881936A patent/NO881936L/no unknown
- 1988-05-03 KR KR1019880005133A patent/KR880013913A/ko not_active Application Discontinuation
- 1988-05-03 CN CN198888102718A patent/CN88102718A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN88102718A (zh) | 1988-11-16 |
| NO881936D0 (no) | 1988-05-03 |
| JPS63297375A (ja) | 1988-12-05 |
| NO881936L (no) | 1988-11-07 |
| DK227188D0 (da) | 1988-04-26 |
| KR880013913A (ko) | 1988-12-22 |
| EP0289894A1 (de) | 1988-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |