DK240882A - Fremgangsmaade til fremstilling af d-(q)-biotin - Google Patents
Fremgangsmaade til fremstilling af d-(q)-biotin Download PDFInfo
- Publication number
- DK240882A DK240882A DK240882A DK240882A DK240882A DK 240882 A DK240882 A DK 240882A DK 240882 A DK240882 A DK 240882A DK 240882 A DK240882 A DK 240882A DK 240882 A DK240882 A DK 240882A
- Authority
- DK
- Denmark
- Prior art keywords
- biotin
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D495/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms
- C07D495/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having sulfur atoms as the only ring hetero atoms in which the condensed system contains two hetero rings
- C07D495/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/10—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
- C07D317/14—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D317/30—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3122562A DE3122562C1 (de) | 1981-06-06 | 1981-06-06 | Verfahren zur Herstellung von D-(+)-Biotin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK240882A true DK240882A (da) | 1982-12-07 |
Family
ID=6134101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK240882A DK240882A (da) | 1981-06-06 | 1982-05-27 | Fremgangsmaade til fremstilling af d-(q)-biotin |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4450276A (fr) |
| EP (1) | EP0066753B1 (fr) |
| JP (1) | JPS58982A (fr) |
| DE (2) | DE3122562C1 (fr) |
| DK (1) | DK240882A (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4468516A (en) * | 1982-05-17 | 1984-08-28 | Pfizer Inc. | Process for the preparation of biotin |
| DE3224511A1 (de) * | 1982-07-01 | 1984-01-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von (6r,7s,8r)-6,9-dihydroxy-7,8-isopropylidendioxy-2,4-nona-diensaeurealkylestern und deren verwendung zur herstellung von d-biotin |
| JPS60248747A (ja) * | 1984-05-22 | 1985-12-09 | Sumitomo Chem Co Ltd | ゴム発泡体の製造方法 |
| US4761491A (en) * | 1984-12-24 | 1988-08-02 | The Dow Chemical Company | Preparation of 2-substituted-1,3-dioxacycloalkanes from diols and diunsaturated ethers |
-
1981
- 1981-06-06 DE DE3122562A patent/DE3122562C1/de not_active Expired
-
1982
- 1982-05-21 EP EP82104448A patent/EP0066753B1/fr not_active Expired
- 1982-05-21 DE DE8282104448T patent/DE3267121D1/de not_active Expired
- 1982-05-27 DK DK240882A patent/DK240882A/da not_active Application Discontinuation
- 1982-06-04 JP JP57095008A patent/JPS58982A/ja active Pending
- 1982-06-07 US US06/386,134 patent/US4450276A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0066753A2 (fr) | 1982-12-15 |
| DE3122562C1 (de) | 1982-11-11 |
| EP0066753A3 (en) | 1983-01-12 |
| EP0066753B1 (fr) | 1985-10-30 |
| JPS58982A (ja) | 1983-01-06 |
| US4450276A (en) | 1984-05-22 |
| DE3267121D1 (en) | 1985-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AHB | Application shelved due to non-payment |