CH321873A - Procédé de préparation de 3-acétyl-4-hydroxycoumarine - Google Patents
Procédé de préparation de 3-acétyl-4-hydroxycoumarineInfo
- Publication number
- CH321873A CH321873A CH321873DA CH321873A CH 321873 A CH321873 A CH 321873A CH 321873D A CH321873D A CH 321873DA CH 321873 A CH321873 A CH 321873A
- Authority
- CH
- Switzerland
- Prior art keywords
- hydroxycoumarin
- acetyl
- preparing
- Prior art date
Links
- UTZHUXAPJIBIBQ-UHFFFAOYSA-N 3-acetyl-4-hydroxychromen-2-one Chemical compound C1=CC=C2OC(=O)C(C(=O)C)=C(O)C2=C1 UTZHUXAPJIBIBQ-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 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
- C07D311/42—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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyrane Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB321873X | 1953-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH321873A true CH321873A (fr) | 1957-05-31 |
Family
ID=10334631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH321873D CH321873A (fr) | 1953-09-25 | 1954-09-24 | Procédé de préparation de 3-acétyl-4-hydroxycoumarine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2847423A (fr) |
| CH (1) | CH321873A (fr) |
| DE (1) | DE1124960B (fr) |
| FR (1) | FR1171912A (fr) |
| GB (1) | GB747744A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9388114B2 (en) | 2013-08-02 | 2016-07-12 | Eastman Chemical Company | Compositions including an alkyl 3-hydroxybutyrate |
| US9163202B2 (en) | 2013-08-02 | 2015-10-20 | Eastman Chemical Company | Aqueous cleaning compositions including an alkyl 3-hydroxybutyrate |
| US9249378B2 (en) | 2013-08-02 | 2016-02-02 | Eastman Chemical Company | Aqueous cleaning compositions having enhanced properties |
| US9255059B2 (en) | 2013-08-02 | 2016-02-09 | Eastman Chemical Company | Method for producing an alkyl 3-hydroxybutyrate |
| CN107986966A (zh) * | 2017-12-14 | 2018-05-04 | 山东汇海医药化工有限公司 | 一种乙酰乙酸异丙酯的制备方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102746C (fr) * | ||||
| US2449038A (en) * | 1944-10-23 | 1948-09-07 | American Cyanamid Co | Preparation of 3-substituted benzotetronic acid and salts thereof |
-
1953
- 1953-09-25 GB GB26400/53A patent/GB747744A/en not_active Expired
-
1954
- 1954-09-17 US US456871A patent/US2847423A/en not_active Expired - Lifetime
- 1954-09-22 DE DED18719A patent/DE1124960B/de active Pending
- 1954-09-24 FR FR1171912D patent/FR1171912A/fr not_active Expired
- 1954-09-24 CH CH321873D patent/CH321873A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB747744A (en) | 1956-04-11 |
| DE1124960B (de) | 1962-03-08 |
| FR1171912A (fr) | 1959-02-03 |
| US2847423A (en) | 1958-08-12 |
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