BE777544A - Derives de chromone-aldehyde. - Google Patents
Derives de chromone-aldehyde.Info
- Publication number
- BE777544A BE777544A BE777544A BE777544A BE777544A BE 777544 A BE777544 A BE 777544A BE 777544 A BE777544 A BE 777544A BE 777544 A BE777544 A BE 777544A BE 777544 A BE777544 A BE 777544A
- Authority
- BE
- Belgium
- Prior art keywords
- diacetoxy
- dihydroxy
- chromones
- dermatosis
- antiallergic
- Prior art date
Links
- QBBVWZFWGGMFFN-UHFFFAOYSA-N (2-acetyloxy-3-formyl-4-oxochromen-5-yl) acetate Chemical class C(C)(=O)OC1=C2C(C(=C(OC2=CC=C1)OC(C)=O)C=O)=O QBBVWZFWGGMFFN-UHFFFAOYSA-N 0.000 title 1
- 206010048768 Dermatosis Diseases 0.000 title 1
- 239000000043 antiallergic agent Substances 0.000 title 1
- 208000006673 asthma Diseases 0.000 title 1
- 208000030603 inherited susceptibility to asthma Diseases 0.000 title 1
- 208000017520 skin disease Diseases 0.000 title 1
- OHDCLJHOAQHMTC-UHFFFAOYSA-N (1-acetyloxy-1-hydroxy-2-oxo-2-phenylethyl) acetate Chemical compound C(C)(=O)OC(C(=O)C1=CC=CC=C1)(O)OC(C)=O OHDCLJHOAQHMTC-UHFFFAOYSA-N 0.000 abstract 1
- 238000005874 Vilsmeier-Haack formylation reaction Methods 0.000 abstract 1
- 125000003668 acetyloxy group Chemical group [H]C([H])([H])C(=O)O[*] 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE777544A BE777544A (fr) | 1971-12-30 | 1971-12-30 | Derives de chromone-aldehyde. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE777544A BE777544A (fr) | 1971-12-30 | 1971-12-30 | Derives de chromone-aldehyde. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE777544A true BE777544A (fr) | 1972-04-17 |
Family
ID=3859072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE777544A BE777544A (fr) | 1971-12-30 | 1971-12-30 | Derives de chromone-aldehyde. |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE777544A (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984441A (en) | 1971-06-21 | 1976-10-05 | Takeda Chemical Industries, Ltd. | Chromonealdehyde compounds and process for the production thereof |
| US4008252A (en) | 1973-04-18 | 1977-02-15 | Warner-Lambert Company | Substituted-3-formylchromone derivatives |
-
1971
- 1971-12-30 BE BE777544A patent/BE777544A/fr not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984441A (en) | 1971-06-21 | 1976-10-05 | Takeda Chemical Industries, Ltd. | Chromonealdehyde compounds and process for the production thereof |
| US4008252A (en) | 1973-04-18 | 1977-02-15 | Warner-Lambert Company | Substituted-3-formylchromone derivatives |
| US4098799A (en) | 1973-04-18 | 1978-07-04 | Warner-Lambert Company | 3-formylchromones |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DK135319B (da) | Ikke-skinnende, praktisk taget membranfrit, fleksibelt polyurethanskumstof samt fremgangsmåde til fremstilling deraf. | |
| CA982935A (en) | Enriched gas drive recovery process | |
| CA935441A (en) | Process for the purification and recovery of an aromatic hydroxyl compound | |
| DK134636B (da) | Absorptionsenhed til absorption af kulsyre. | |
| BE777544A (fr) | Derives de chromone-aldehyde. | |
| CA980388A (en) | Snowmobile track | |
| CA942941A (en) | Installations for the treatment, in gaseous medium, of a strip product | |
| CA987195A (en) | Sewage treatment | |
| AU4058272A (en) | Improved speed dictation apparatus | |
| FR2106553A1 (en) | Pvp/medicament compsns - giving better oral absorption by increasing the solubility in gastro-intestinal fluids | |
| CH572945A5 (en) | D-homo-corticosteroids - anti-inflammatories | |
| CH572944A5 (en) | D-homo-corticosteroids - anti-inflammatories | |
| ZA728016B (en) | Compositions and methods for relieving bronchial spasm with prostaglandin-f and derivatives | |
| CA935784A (en) | Gas treatment apparatus | |
| Muskie | Speech at North Carolina Young Democratic Club | |
| CA939840A (en) | Phenol plant effluent treatment | |
| CA933362A (en) | Method for the treatment of irradiated fuel elements | |
| FR2178729A1 (en) | Erythromycin 6,9-epoxides - antimicrobials and inters | |
| FI49843C (fi) | Menetelmä vähän hiiltä sisältävien terästen valmistamiseksi. | |
| CA918827A (en) | Method for increasing oxygen availability in sewage treatment | |
| JPS5233213A (en) | Driving wheel of conveying carriage | |
| AU462271B2 (en) | Absorption refrigerating apparatus | |
| FR2189013A1 (en) | 11,12-Epoxy erythromycin A and its enolic ether - antibiotics prepd from 11-0-methane sulphonyl erythromycin A | |
| CA880596A (en) | Sewage treatment process | |
| AU3990272A (en) | Absorption refrigerating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: TAKEDA CHEMICAL INDUSTRIES LTD Effective date: 19911230 |