BE693047A - - Google Patents
Info
- Publication number
- BE693047A BE693047A BE693047DA BE693047A BE 693047 A BE693047 A BE 693047A BE 693047D A BE693047D A BE 693047DA BE 693047 A BE693047 A BE 693047A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR47534A FR5139M (en:Method) | 1966-01-28 | 1966-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE693047A true BE693047A (en:Method) | 1967-07-03 |
Family
ID=8599947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE693047D BE693047A (en:Method) | 1966-01-28 | 1967-01-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE693047A (en:Method) |
| FR (1) | FR5139M (en:Method) |
| GB (1) | GB1122135A (en:Method) |
-
1966
- 1966-01-28 FR FR47534A patent/FR5139M/fr not_active Expired
-
1967
- 1967-01-20 GB GB315767A patent/GB1122135A/en not_active Expired
- 1967-01-23 BE BE693047D patent/BE693047A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1122135A (en) | 1968-07-31 |
| FR5139M (en:Method) | 1967-06-05 |