BE793190A - Procede de dedoublement d'une cyclopentenolone - Google Patents
Procede de dedoublement d'une cyclopentenoloneInfo
- Publication number
- BE793190A BE793190A BE793190DA BE793190A BE 793190 A BE793190 A BE 793190A BE 793190D A BE793190D A BE 793190DA BE 793190 A BE793190 A BE 793190A
- Authority
- BE
- Belgium
- Prior art keywords
- undoubing
- cyclopentenolone
- Prior art date
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
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/673—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
- C07C49/703—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups
- C07C49/707—Unsaturated compounds containing a keto groups being part of a ring containing hydroxy groups a keto group being part of a three- to five-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (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 |
|---|---|---|---|
| FR7146981A FR2166503A5 (de) | 1971-12-28 | 1971-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE793190A true BE793190A (fr) | 1973-06-22 |
Family
ID=9088218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE793190D BE793190A (fr) | 1971-12-28 | Procede de dedoublement d'une cyclopentenolone |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5838414B2 (de) |
| AU (1) | AU463657B2 (de) |
| BE (1) | BE793190A (de) |
| BR (1) | BR7209164D0 (de) |
| CA (1) | CA998402A (de) |
| CH (1) | CH560662A5 (de) |
| DD (1) | DD102139A5 (de) |
| DE (1) | DE2263880C3 (de) |
| DK (1) | DK139384B (de) |
| ES (1) | ES410060A1 (de) |
| FR (1) | FR2166503A5 (de) |
| GB (1) | GB1401350A (de) |
| HU (1) | HU167951B (de) |
| IL (1) | IL41030A (de) |
| IT (1) | IT974312B (de) |
| NL (1) | NL179812C (de) |
| SE (1) | SE396376B (de) |
| SU (1) | SU577966A3 (de) |
| ZA (1) | ZA728905B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3931291A (en) * | 1973-03-28 | 1976-01-06 | Sumitomo Chemical Company, Limited | Preparation of optically active allethrorone via allethronyl acid phthalate |
| FR2458531A1 (fr) * | 1979-06-12 | 1981-01-02 | Roussel Uclaf | Procede de preparation d'allethrolone optiquement active par scission d'un ester d'acide chiral d'allethrolone optiquement active a l'aide d'un halogenure de bore |
| EP0122779B1 (de) * | 1983-04-19 | 1986-07-23 | Sumitomo Chemical Company, Limited | Herstellung von optisch aktiven Cyclopentenolonen |
| JPS62175907U (de) * | 1986-04-28 | 1987-11-09 |
-
0
- BE BE793190D patent/BE793190A/xx not_active IP Right Cessation
-
1971
- 1971-12-28 FR FR7146981A patent/FR2166503A5/fr not_active Expired
-
1972
- 1972-12-07 IL IL41030A patent/IL41030A/xx unknown
- 1972-12-15 CH CH1836172A patent/CH560662A5/xx not_active IP Right Cessation
- 1972-12-18 ZA ZA728905A patent/ZA728905B/xx unknown
- 1972-12-25 JP JP47129476A patent/JPS5838414B2/ja not_active Expired
- 1972-12-27 SE SE7217008A patent/SE396376B/xx unknown
- 1972-12-27 SU SU7201862815A patent/SU577966A3/ru active
- 1972-12-27 HU HURO690A patent/HU167951B/hu not_active IP Right Cessation
- 1972-12-27 BR BR9164/72A patent/BR7209164D0/pt unknown
- 1972-12-27 CA CA159,984A patent/CA998402A/fr not_active Expired
- 1972-12-27 IT IT55020/72A patent/IT974312B/it active
- 1972-12-27 ES ES410060A patent/ES410060A1/es not_active Expired
- 1972-12-28 DD DD167952A patent/DD102139A5/xx unknown
- 1972-12-28 DK DK650172AA patent/DK139384B/da unknown
- 1972-12-28 AU AU50551/72A patent/AU463657B2/en not_active Expired
- 1972-12-28 GB GB5988272A patent/GB1401350A/en not_active Expired
- 1972-12-28 NL NLAANVRAGE7217763,A patent/NL179812C/xx not_active IP Right Cessation
- 1972-12-28 DE DE2263880A patent/DE2263880C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BR7209164D0 (pt) | 1973-09-13 |
| CH560662A5 (de) | 1975-04-15 |
| NL179812C (nl) | 1986-11-17 |
| JPS5838414B2 (ja) | 1983-08-23 |
| DE2263880C3 (de) | 1979-06-28 |
| HU167951B (de) | 1976-01-28 |
| JPS4875545A (de) | 1973-10-11 |
| NL7217763A (de) | 1973-07-02 |
| SE396376B (sv) | 1977-09-19 |
| AU5055172A (en) | 1974-07-04 |
| DE2263880A1 (de) | 1973-07-05 |
| DE2263880B2 (de) | 1978-11-02 |
| CA998402A (fr) | 1976-10-12 |
| AU463657B2 (en) | 1975-07-15 |
| NL179812B (nl) | 1986-06-16 |
| IT974312B (it) | 1974-06-20 |
| IL41030A (en) | 1975-06-25 |
| DD102139A5 (de) | 1973-12-05 |
| DK139384B (da) | 1979-02-12 |
| SU577966A3 (ru) | 1977-10-25 |
| ZA728905B (en) | 1974-02-27 |
| IL41030A0 (en) | 1973-02-28 |
| FR2166503A5 (de) | 1973-08-17 |
| GB1401350A (en) | 1975-07-16 |
| DK139384C (de) | 1979-07-23 |
| ES410060A1 (es) | 1976-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: S.A. ROUSSEL-UCLAF Effective date: 19911231 |