DE3412713C2 - - Google Patents
Info
- Publication number
- DE3412713C2 DE3412713C2 DE3412713A DE3412713A DE3412713C2 DE 3412713 C2 DE3412713 C2 DE 3412713C2 DE 3412713 A DE3412713 A DE 3412713A DE 3412713 A DE3412713 A DE 3412713A DE 3412713 C2 DE3412713 C2 DE 3412713C2
- Authority
- DE
- Germany
- Prior art keywords
- cyclopentenone
- cyclopentenones
- parts
- pentyl
- catalyst
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
-
- 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
- C07C49/597—Unsaturated compounds containing a keto groups being part of a ring of a five-membered ring
-
- 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
- C07C49/613—Unsaturated compounds containing a keto groups being part of a ring polycyclic
-
- 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
- C07C49/647—Unsaturated compounds containing a keto groups being part of a ring having unsaturation outside the ring
-
- 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
- C07C49/657—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings
- C07C49/683—Unsaturated compounds containing a keto groups being part of a ring containing six-membered aromatic rings having unsaturation outside the aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58069566A JPS59193841A (ja) | 1983-04-19 | 1983-04-19 | ２−シクロペンテノン類の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3412713A1 DE3412713A1 (de) | 1984-10-25 |
| DE3412713C2 true DE3412713C2 (US08080257-20111220-C00005.png) | 1993-08-26 |
Family
ID=13406450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3412713A Granted DE3412713A1 (de) | 1983-04-19 | 1984-04-04 | Verfahren zur herstellung von 2-cyclopentenonen |
Country Status (5)
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5156431A (en) * | 1974-11-14 | 1976-05-18 | Takasago Perfumery Co Ltd | 22 arukenirushikuropentenonkagobutsuno seiho |
| US4371711A (en) * | 1979-05-30 | 1983-02-01 | Sumitomo Chemical Company, Limited | Process for producing 4-hydroxycyclopentenones |
| JPS5842860B2 (ja) * | 1979-10-12 | 1983-09-22 | 三菱瓦斯化学株式会社 | ２−ペンテン酸エステルの製造方法 |
| US4347386A (en) * | 1980-04-30 | 1982-08-31 | Sumitomo Chemical Company, Limited | Process for preparing cyclopentenolones |
| US4329508A (en) * | 1980-09-29 | 1982-05-11 | Scm Corporation | Process for making alkyl cyclopentenones |
-
1983
- 1983-04-19 JP JP58069566A patent/JPS59193841A/ja active Granted
-
1984
- 1984-03-30 FR FR8405075A patent/FR2544714B1/fr not_active Expired
- 1984-04-02 US US06/595,681 patent/US4540825A/en not_active Expired - Lifetime
- 1984-04-04 DE DE3412713A patent/DE3412713A1/de active Granted
- 1984-04-13 CH CH1876/84A patent/CH658647A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0412253B2 (US08080257-20111220-C00005.png) | 1992-03-04 |
| JPS59193841A (ja) | 1984-11-02 |
| DE3412713A1 (de) | 1984-10-25 |
| CH658647A5 (de) | 1986-11-28 |
| FR2544714B1 (fr) | 1986-09-05 |
| FR2544714A1 (fr) | 1984-10-26 |
| US4540825A (en) | 1985-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8181 | Inventor (new situation) |
Free format text: SHIOTA, KATSUYUKI, TOYONAKA, JP TANAKA, KUNIHIKO, NARA, JP MINAI, MASAYOSHI, MORIYAMA, JP |
|
| 8128 | New person/name/address of the agent |
Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ |
|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: C07C 49/597 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |