BE718805A - - Google Patents
Info
- Publication number
- BE718805A BE718805A BE718805DA BE718805A BE 718805 A BE718805 A BE 718805A BE 718805D A BE718805D A BE 718805DA BE 718805 A BE718805 A BE 718805A
- 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
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
- C07D311/28—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
- C07D311/30—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only not hydrogenated in the hetero ring, e.g. flavones
-
- 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
- C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
- C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
- C07D311/28—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3 with aromatic rings attached in position 2 only
- C07D311/32—2,3-Dihydro derivatives, e.g. flavanones
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)
- Pyrane Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR116632A FR1546585A (fr) | 1967-08-02 | 1967-08-02 | Procédé pour l'obtention de flavanediols, chimiquement purs |
| FR126402A FR6816M (https=) | 1967-08-02 | 1967-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE718805A true BE718805A (https=) | 1968-12-31 |
Family
ID=26178582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE718805D BE718805A (https=) | 1967-08-02 | 1968-07-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3549661A (https=) |
| BE (1) | BE718805A (https=) |
| CH (1) | CH491906A (https=) |
| DE (1) | DE1793096C3 (https=) |
| FR (1) | FR6816M (https=) |
| GB (1) | GB1220893A (https=) |
-
1967
- 1967-10-30 FR FR126402A patent/FR6816M/fr not_active Expired
-
1968
- 1968-07-30 BE BE718805D patent/BE718805A/xx unknown
- 1968-07-31 US US748960A patent/US3549661A/en not_active Expired - Lifetime
- 1968-08-01 DE DE1793096A patent/DE1793096C3/de not_active Expired
- 1968-08-02 CH CH1165268A patent/CH491906A/fr not_active IP Right Cessation
- 1968-08-02 GB GB37032/68A patent/GB1220893A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH491906A (fr) | 1970-06-15 |
| US3549661A (en) | 1970-12-22 |
| GB1220893A (en) | 1971-01-27 |
| FR6816M (https=) | 1969-03-24 |
| DE1793096C3 (de) | 1975-01-23 |
| DE1793096A1 (de) | 1972-05-10 |
| DE1793096B2 (de) | 1974-06-06 |