BE644186A - - Google Patents
Info
- Publication number
- BE644186A BE644186A BE644186DA BE644186A BE 644186 A BE644186 A BE 644186A BE 644186D A BE644186D A BE 644186DA BE 644186 A BE644186 A BE 644186A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
- C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
- C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
- C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA875556 | 1963-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE644186A true BE644186A (fi) | 1964-08-21 |
Family
ID=4141722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE644186D BE644186A (fi) | 1963-05-14 | 1964-02-21 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE644186A (fi) |
| FR (1) | FR1397213A (fi) |
| GB (1) | GB1056291A (fi) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5696274A (en) * | 1995-12-28 | 1997-12-09 | Hoechst Celanese Corporation | Syntheses based on 2-hydroxyacetophenone |
| US6673944B2 (en) | 2001-02-28 | 2004-01-06 | Taro Pharmaceutical Industries, Ltd. | Preparation of warfarin sodium from warfarin acid |
| IL157555A0 (en) * | 2001-02-28 | 2004-03-28 | Taro Pharmaceuticals Usa Inc | Process for purification of warfarin acid, warfarin alkali metal salts and corresponding clathrates |
| US6512005B2 (en) | 2001-02-28 | 2003-01-28 | Taro Pharmaceutical Industries, Ltd. | Process for synthesis of pure warfarin acid, warfarin alkali metal salts and corresponding clathrates |
| US6610862B2 (en) | 2001-02-28 | 2003-08-26 | Taro Pharmaceutical Industries Ltd. | Preparation of warfarin sodium from warfarin sodium-2-propanol clathrate by solvent expulsion |
| WO2011145007A1 (en) * | 2010-05-20 | 2011-11-24 | Alembic Pharmaceuticals Limited | A process for the preparation of amorphous warfarin sodium |
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1963
- 1963-12-30 FR FR958840A patent/FR1397213A/fr not_active Expired
-
1964
- 1964-01-01 GB GB115/64A patent/GB1056291A/en not_active Expired
- 1964-02-21 BE BE644186D patent/BE644186A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1056291A (en) | 1967-01-25 |
| FR1397213A (fr) | 1965-04-30 |