BE720007A - - Google Patents
Info
- Publication number
- BE720007A BE720007A BE720007DA BE720007A BE 720007 A BE720007 A BE 720007A BE 720007D A BE720007D A BE 720007DA BE 720007 A BE720007 A BE 720007A
- 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
- C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
- C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
- C07D311/16—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyrane Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC0043388 | 1967-09-21 | ||
| DEC0043426 | 1967-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720007A true BE720007A (he) | 1969-02-27 |
Family
ID=25970389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720007D BE720007A (he) | 1967-09-21 | 1968-08-27 |
Country Status (3)
| Country | Link |
|---|---|
| AT (2) | AT277990B (he) |
| BE (1) | BE720007A (he) |
| ES (1) | ES359721A1 (he) |
-
1968
- 1968-08-27 BE BE720007D patent/BE720007A/xx unknown
- 1968-08-30 ES ES359721A patent/ES359721A1/es not_active Expired
- 1968-09-20 AT AT920268A patent/AT277990B/de not_active IP Right Cessation
- 1968-09-20 AT AT920868A patent/AT277991B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AT277990B (de) | 1970-01-12 |
| AT277991B (de) | 1970-01-12 |
| ES359721A1 (es) | 1970-09-16 |