BE643827A - - Google Patents
Info
- Publication number
- BE643827A BE643827A BE643827A BE643827A BE643827A BE 643827 A BE643827 A BE 643827A BE 643827 A BE643827 A BE 643827A BE 643827 A BE643827 A BE 643827A BE 643827 A BE643827 A BE 643827A
- 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)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US258910A US3246013A (en) | 1963-02-15 | 1963-02-15 | Preparation of crystalline warfarin sodium-isopropyl alcohol complex |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE643827A true BE643827A (US20030220297A1-20031127-C00074.png) | 1964-08-14 |
Family
ID=22982654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE643827A BE643827A (US20030220297A1-20031127-C00074.png) | 1963-02-15 | 1964-02-14 |
Country Status (7)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3215482C2 (de) * | 1982-04-26 | 1984-08-09 | Moskovskij chimiko-technologičeskij institut imeni D.I. Mendeleeva, Moskau/Moskva | Komplexe aus Natriumsalzen von 4-Hydroxy-cumarinen und Alkoholen und Verfahren zu deren Herstellung |
| US5696274A (en) * | 1995-12-28 | 1997-12-09 | Hoechst Celanese Corporation | Syntheses based on 2-hydroxyacetophenone |
| 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 |
| US6673944B2 (en) | 2001-02-28 | 2004-01-06 | Taro Pharmaceutical Industries, Ltd. | Preparation of warfarin sodium from warfarin acid |
| 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 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2777859A (en) * | 1953-02-05 | 1957-01-15 | Wisconsin Alumni Res Found | Warfarin-alkali metal derivatives and processes of preparing the same |
| GB874149A (en) * | 1959-02-25 | 1961-08-02 | Wisconsin Alumni Res Found | Process for preparing and purifying warfarin sodium |
| USRE25866E (en) * | 1961-02-21 | 1965-09-21 | Warfarin sodium |
-
1963
- 1963-02-15 US US258910A patent/US3246013A/en not_active Expired - Lifetime
-
1964
- 1964-01-29 GB GB3763/64A patent/GB991395A/en not_active Expired
- 1964-02-10 DE DEW36151A patent/DE1300570B/de active Pending
- 1964-02-11 CH CH158364A patent/CH430745A/de unknown
- 1964-02-14 BE BE643827A patent/BE643827A/xx unknown
- 1964-02-14 BR BR156854/64A patent/BR6456854D0/pt unknown
- 1964-02-15 SE SE1846/64A patent/SE318286B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH430745A (de) | 1967-02-28 |
| SE318286B (US20030220297A1-20031127-C00074.png) | 1969-12-08 |
| GB991395A (en) | 1965-05-05 |
| US3246013A (en) | 1966-04-12 |
| DE1300570B (de) | 1969-08-07 |
| BR6456854D0 (pt) | 1973-08-14 |
