BE530545A - - Google Patents
Info
- Publication number
- BE530545A BE530545A BE530545DA BE530545A BE 530545 A BE530545 A BE 530545A BE 530545D A BE530545D A BE 530545DA BE 530545 A BE530545 A BE 530545A
- 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)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS326368X | 1953-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE530545A true BE530545A (https=) |
Family
ID=5452206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE530545D BE530545A (https=) | 1953-07-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE530545A (https=) |
| CH (1) | CH326368A (https=) |
| DE (1) | DE964326C (https=) |
| FR (1) | FR1229604A (https=) |
| GB (1) | GB786065A (https=) |
| NL (2) | NL88453C (https=) |
-
0
- FR FR1229604D patent/FR1229604A/fr not_active Expired
- BE BE530545D patent/BE530545A/xx unknown
- NL NLAANVRAGE8601840,A patent/NL189445B/xx unknown
- NL NL88453D patent/NL88453C/xx active
-
1954
- 1954-07-11 DE DES39951A patent/DE964326C/de not_active Expired
- 1954-07-13 CH CH326368D patent/CH326368A/de unknown
- 1954-07-22 GB GB21427/54A patent/GB786065A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH326368A (de) | 1957-12-15 |
| NL189445B (nl) | |
| NL88453C (https=) | |
| FR1229604A (https=) | 1960-09-08 |
| GB786065A (en) | 1957-11-13 |
| DE964326C (de) | 1957-05-23 |