BE550615A - - Google Patents
Info
- Publication number
- BE550615A BE550615A BE550615DA BE550615A BE 550615 A BE550615 A BE 550615A BE 550615D A BE550615D A BE 550615DA BE 550615 A BE550615 A BE 550615A
- 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
- C07D311/54—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 substituted in the carbocyclic ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF18319A DE1011435B (de) | 1955-09-01 | 1955-09-01 | Verfahren zur Herstellung von Derivaten des 4-Oxycumarins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE550615A true BE550615A (de) |
Family
ID=7088910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE550615D BE550615A (de) | 1955-09-01 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE550615A (de) |
| CH (1) | CH346556A (de) |
| DE (1) | DE1011435B (de) |
| FR (1) | FR1197640A (de) |
| GB (1) | GB804125A (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2427578A (en) * | 1945-04-02 | 1947-09-16 | Wisconsin Alumni Res Found | 3-substituted 4-hydroxycoumarin and process of making it |
| NL80178C (de) * | 1950-01-31 |
-
0
- BE BE550615D patent/BE550615A/xx unknown
-
1955
- 1955-09-01 DE DEF18319A patent/DE1011435B/de active Pending
-
1956
- 1956-08-02 CH CH346556D patent/CH346556A/de unknown
- 1956-08-24 FR FR1197640D patent/FR1197640A/fr not_active Expired
- 1956-09-03 GB GB2688656A patent/GB804125A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1197640A (fr) | 1959-12-02 |
| GB804125A (en) | 1958-11-05 |
| CH346556A (de) | 1960-05-31 |
| DE1011435B (de) | 1957-07-04 |