BE530546A - - Google Patents
Info
- Publication number
- BE530546A BE530546A BE530546DA BE530546A BE 530546 A BE530546 A BE 530546A BE 530546D A BE530546D A BE 530546DA BE 530546 A BE530546 A BE 530546A
- 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)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS325666X | 1953-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE530546A true BE530546A (ru) |
Family
ID=5452203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE530546D BE530546A (ru) | 1953-07-23 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE530546A (ru) |
| CH (1) | CH325666A (ru) |
| DE (1) | DE1081023B (ru) |
| GB (1) | GB789296A (ru) |
| NL (2) | NL189446B (ru) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH236350A (de) * | 1942-09-14 | 1945-01-31 | Hoffmann La Roche | Verfahren zur Darstellung eines Cumarinabkömmlings. |
| US2427578A (en) * | 1945-04-02 | 1947-09-16 | Wisconsin Alumni Res Found | 3-substituted 4-hydroxycoumarin and process of making it |
-
0
- NL NL93599D patent/NL93599C/xx active
- NL NLAANVRAGE8005913,A patent/NL189446B/xx unknown
- BE BE530546D patent/BE530546A/xx unknown
-
1954
- 1954-07-10 DE DES39952A patent/DE1081023B/de active Pending
- 1954-07-13 CH CH325666D patent/CH325666A/de unknown
- 1954-07-22 GB GB21426/54A patent/GB789296A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1081023B (de) | 1960-05-05 |
| NL93599C (ru) | |
| CH325666A (de) | 1957-11-15 |
| NL189446B (nl) | |
| GB789296A (en) | 1958-01-15 |