BE647081A - - Google Patents
Info
- Publication number
- BE647081A BE647081A BE647081A BE647081A BE647081A BE 647081 A BE647081 A BE 647081A BE 647081 A BE647081 A BE 647081A BE 647081 A BE647081 A BE 647081A BE 647081 A BE647081 A BE 647081A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/455—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL122308D NL122308C (xx) | 1963-04-26 | ||
| DENDAT1249263D DE1249263B (de) | 1963-04-26 | Verfah ren zur Herstellung vor substituierten 1,3 Dioxocyclopentanderivaten | |
| FR932866A FR1363281A (fr) | 1963-04-26 | 1963-04-26 | Nouveau procédé de préparation du 1,3-dioxo 2-méthyl cyclopentane |
| FR964020A FR1493409A (fr) | 1963-04-26 | 1964-02-17 | Procédé de préparation de dérivés substitués du 1, 3-dioxo cyclopentane |
| CH496564A CH425753A (fr) | 1963-04-26 | 1964-04-17 | Procédé de préparation de dérivés substitués du 1,3-dioxo-cyclopentane |
| SE4804/46A SE321215B (xx) | 1963-04-26 | 1964-04-17 | |
| US361887A US3349130A (en) | 1963-04-26 | 1964-04-22 | Novel process for the preparation of 2-alkyl-cyclopentane-1, 3-diones |
| NL6404468A NL6404468A (xx) | 1963-04-26 | 1964-04-23 | |
| BE647081A BE647081A (xx) | 1963-04-26 | 1964-04-24 | |
| GB17087/64A GB1038346A (en) | 1963-04-26 | 1964-04-24 | Processes for preparing 2-alkyl-cyclopentane derivatives, and the derivatives thus prepared |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR932866A FR1363281A (fr) | 1963-04-26 | 1963-04-26 | Nouveau procédé de préparation du 1,3-dioxo 2-méthyl cyclopentane |
| FR964020A FR1493409A (fr) | 1963-04-26 | 1964-02-17 | Procédé de préparation de dérivés substitués du 1, 3-dioxo cyclopentane |
| BE647081A BE647081A (xx) | 1963-04-26 | 1964-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE647081A true BE647081A (xx) | 1964-10-26 |
Family
ID=27158963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE647081A BE647081A (xx) | 1963-04-26 | 1964-04-24 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3349130A (xx) |
| BE (1) | BE647081A (xx) |
| CH (1) | CH425753A (xx) |
| DE (1) | DE1249263B (xx) |
| FR (2) | FR1363281A (xx) |
| GB (1) | GB1038346A (xx) |
| NL (2) | NL6404468A (xx) |
| SE (1) | SE321215B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1288086B (xx) * | 1963-12-26 | 1969-01-30 | ||
| US3671589A (en) * | 1969-05-23 | 1972-06-20 | American Home Prod | Process for preparation of 2-substituted-1,3-cyclopentanediones |
| US3931322A (en) * | 1974-01-25 | 1976-01-06 | Hoffmann-La Roche Inc. | Synthesis of 2-alkyl-cyclopentan-1,3-diones |
| US4371711A (en) * | 1979-05-30 | 1983-02-01 | Sumitomo Chemical Company, Limited | Process for producing 4-hydroxycyclopentenones |
| CH653665A5 (de) * | 1981-05-27 | 1986-01-15 | Lonza Ag | Verfahren zur herstellung von dimedon. |
| US5407910A (en) * | 1993-10-12 | 1995-04-18 | Union Camp Corporation | Cyclopent-1-en-3,5-dione compounds and compositions |
-
0
- NL NL122308D patent/NL122308C/xx active
- DE DENDAT1249263D patent/DE1249263B/de active Pending
-
1963
- 1963-04-26 FR FR932866A patent/FR1363281A/fr not_active Expired
-
1964
- 1964-02-17 FR FR964020A patent/FR1493409A/fr not_active Expired
- 1964-04-17 SE SE4804/46A patent/SE321215B/xx unknown
- 1964-04-17 CH CH496564A patent/CH425753A/fr unknown
- 1964-04-22 US US361887A patent/US3349130A/en not_active Expired - Lifetime
- 1964-04-23 NL NL6404468A patent/NL6404468A/xx unknown
- 1964-04-24 BE BE647081A patent/BE647081A/xx unknown
- 1964-04-24 GB GB17087/64A patent/GB1038346A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE321215B (xx) | 1970-03-02 |
| NL122308C (xx) | |
| DE1249263B (de) | 1967-09-07 |
| US3349130A (en) | 1967-10-24 |
| CH425753A (fr) | 1966-12-15 |
| FR1493409A (fr) | 1967-09-01 |
| GB1038346A (en) | 1966-08-10 |
| NL6404468A (xx) | 1964-10-27 |
| FR1363281A (fr) | 1964-06-12 |