BE555048A - - Google Patents
Info
- Publication number
- BE555048A BE555048A BE555048DA BE555048A BE 555048 A BE555048 A BE 555048A BE 555048D A BE555048D A BE 555048DA BE 555048 A BE555048 A BE 555048A
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS353375X | 1956-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE555048A true BE555048A (en:Method) |
Family
ID=5452413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE555048D BE555048A (en:Method) | 1956-03-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2938039A (en:Method) |
| BE (1) | BE555048A (en:Method) |
| CH (1) | CH353375A (en:Method) |
| DE (1) | DE1029381B (en:Method) |
| FR (1) | FR1228808A (en:Method) |
| GB (1) | GB823107A (en:Method) |
| NL (1) | NL98236C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS159456B1 (en:Method) * | 1972-04-12 | 1975-01-31 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL88208C (en:Method) * | 1954-04-27 |
-
0
- NL NL98236D patent/NL98236C/xx active
- BE BE555048D patent/BE555048A/xx unknown
-
1957
- 1957-02-21 GB GB5836/57A patent/GB823107A/en not_active Expired
- 1957-02-25 US US641824A patent/US2938039A/en not_active Expired - Lifetime
- 1957-03-06 CH CH353375D patent/CH353375A/de unknown
- 1957-03-09 DE DES52675A patent/DE1029381B/de active Pending
- 1957-03-11 FR FR733726A patent/FR1228808A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH353375A (de) | 1961-04-15 |
| US2938039A (en) | 1960-05-24 |
| GB823107A (en) | 1959-11-04 |
| NL98236C (en:Method) | |
| FR1228808A (fr) | 1960-09-02 |
| DE1029381B (de) | 1958-05-08 |