BE496764A - - Google Patents
Info
- Publication number
- BE496764A BE496764A BE496764DA BE496764A BE 496764 A BE496764 A BE 496764A BE 496764D A BE496764D A BE 496764DA BE 496764 A BE496764 A BE 496764A
- 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
- C07D311/48—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 with two such benzopyran radicals linked together by a carbon chain
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 |
|---|---|---|---|
| US166070A US2601308A (en) | 1950-06-03 | 1950-06-03 | Anticoagulant, amide of 3, 3'-carboxy-methylene bis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE496764A true BE496764A (US06252093-20010626-C00008.png) |
Family
ID=22601705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE496764D BE496764A (US06252093-20010626-C00008.png) | 1950-06-03 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2601308A (US06252093-20010626-C00008.png) |
| BE (1) | BE496764A (US06252093-20010626-C00008.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899358A (en) * | 1959-08-11 | Process | ||
| US2810730A (en) * | 1948-12-30 | 1957-10-22 | Fucik Karel | Process for making esters of bis(4-hydroxycoumarin-3-yl) acetic acid |
| US2811534A (en) * | 1949-12-31 | 1957-10-29 | Spofa Vereinigte Pharma Werke | Method of manufacture of the biologically active coumarine derivatives |
| US3264323A (en) * | 1963-12-17 | 1966-08-02 | Warner Lambert Pharmaceutical | Coumarin derivative |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB580084A (en) * | 1941-10-11 | 1946-08-27 | Wisconsin Alumni Res Found | Anti-coagulant bis(4-hydroxycoumarins) and process for making the same |
| BE468946A (US06252093-20010626-C00008.png) * | 1944-03-18 |
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0
- BE BE496764D patent/BE496764A/xx unknown
-
1950
- 1950-06-03 US US166070A patent/US2601308A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2601308A (en) | 1952-06-24 |
