CH647747A5 - Verfahren zur herstellung von cyclopentenonen. - Google Patents
Verfahren zur herstellung von cyclopentenonen. Download PDFInfo
- Publication number
- CH647747A5 CH647747A5 CH380581A CH380581A CH647747A5 CH 647747 A5 CH647747 A5 CH 647747A5 CH 380581 A CH380581 A CH 380581A CH 380581 A CH380581 A CH 380581A CH 647747 A5 CH647747 A5 CH 647747A5
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- formula
- parts
- rearrangement
- water
- 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
- C07C45/65—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
- C07C45/66—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 splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
-
- 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
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/59—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in five-membered rings
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11442480A JPS5738739A (en) | 1980-08-19 | 1980-08-19 | Preparation of dihydrojasmone |
| JP14853080A JPS5772934A (en) | 1980-10-22 | 1980-10-22 | Preparation of cyclopenetenone derviative |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH647747A5 true CH647747A5 (de) | 1985-02-15 |
Family
ID=26453164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH380581A CH647747A5 (de) | 1980-08-19 | 1981-06-10 | Verfahren zur herstellung von cyclopentenonen. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH647747A5 (es) |
| DE (1) | DE3123177A1 (es) |
| FR (1) | FR2488885A1 (es) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1473519A (fr) * | 1965-03-31 | 1967-03-17 | Givaudan & Cie Sa | Procédé pour la préparation de cyclopenténones |
| JPS51110538A (en) * | 1975-03-20 | 1976-09-30 | Rikagaku Kenkyusho | Resuronno seizoho |
-
1981
- 1981-06-10 CH CH380581A patent/CH647747A5/de not_active IP Right Cessation
- 1981-06-11 FR FR8111542A patent/FR2488885A1/fr active Granted
- 1981-06-11 DE DE19813123177 patent/DE3123177A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3123177C2 (es) | 1990-05-17 |
| FR2488885A1 (fr) | 1982-02-26 |
| DE3123177A1 (de) | 1982-04-08 |
| FR2488885B1 (es) | 1984-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |