CH615899A5 - - Google Patents
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- Publication number
- CH615899A5 CH615899A5 CH1595476A CH1595476A CH615899A5 CH 615899 A5 CH615899 A5 CH 615899A5 CH 1595476 A CH1595476 A CH 1595476A CH 1595476 A CH1595476 A CH 1595476A CH 615899 A5 CH615899 A5 CH 615899A5
- Authority
- CH
- Switzerland
- Prior art keywords
- isophorone
- base
- carbon black
- cyclohexene
- oxygen
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
- C07C45/33—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties
- C07C45/34—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of CHx-moieties in unsaturated compounds
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7539783A FR2335487A1 (fr) | 1975-12-19 | 1975-12-19 | Procede de preparation de trimethyl-3,5,5 cyclohexene-2 dione-1,4 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH615899A5 true CH615899A5 (it) | 1980-02-29 |
Family
ID=9164187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1595476A CH615899A5 (it) | 1975-12-19 | 1976-12-17 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4092361A (it) |
| JP (1) | JPS6022692B2 (it) |
| BE (1) | BE849560A (it) |
| CA (1) | CA1082738A (it) |
| CH (1) | CH615899A5 (it) |
| DE (1) | DE2657386A1 (it) |
| FR (1) | FR2335487A1 (it) |
| GB (1) | GB1521170A (it) |
| IT (1) | IT1065800B (it) |
| NL (1) | NL7614070A (it) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4407897A (en) * | 1979-12-10 | 1983-10-04 | American Can Company | Drying agent in multi-layer polymeric structure |
| US4393243A (en) * | 1981-03-17 | 1983-07-12 | Hoffmann-La Roche Inc. | Carotenoid intermediate by an oxidation process |
| JPH0433352Y2 (it) * | 1986-09-17 | 1992-08-10 | ||
| JPH0819030B2 (ja) * | 1987-10-06 | 1996-02-28 | 曽田香料株式会社 | ３，５，５−トリメチルシクロヘキサ−２−エン−１，４−ジオンの製造方法 |
| DE3806835A1 (de) * | 1988-03-03 | 1989-09-14 | Huels Chemische Werke Ag | Verfahren zur herstellung von 3,5,5-trimethyl-4-hydroxi-2-cyclohexen-1-on |
| DE3842547A1 (de) * | 1988-12-17 | 1990-06-21 | Huels Chemische Werke Ag | Verfahren zur herstellung von 2,6,6-trimethyl-cyclohex-2-en-1,4-dion |
| DE19619570A1 (de) * | 1996-05-15 | 1997-11-20 | Degussa | Verfahren zur Herstellung von Ketoisophoron |
| US6211418B1 (en) | 1997-08-01 | 2001-04-03 | Nippon Petrochemicals Company Limited | Method for producing trimethylhydroquinone |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB791953A (en) * | 1956-07-06 | 1958-03-19 | Hoffmann La Roche | Novel cyclic diketones and ketals thereof and a process for the manufacture of the same |
| NL6410417A (it) * | 1964-09-08 | 1966-03-09 | ||
| UST900015I4 (en) | 1970-10-01 | 1972-07-25 | defensive publication | |
| CH559156A5 (it) * | 1972-11-16 | 1975-02-28 | Firmenich & Cie | |
| CH586173A5 (it) * | 1973-12-07 | 1977-03-31 | Firmenich & Cie | |
| US4026948A (en) * | 1973-12-07 | 1977-05-31 | Firmenich S.A. | Process for the preparation of 2,2,6-trimethyl-cyclohex-5-en-1,4-dione |
| CH585168A5 (it) * | 1973-12-07 | 1977-02-28 | Firmenich & Cie | |
| CH605535A5 (it) * | 1974-04-11 | 1978-09-29 | Hoffmann La Roche | |
| CH611590A5 (en) * | 1974-06-28 | 1979-06-15 | Hoffmann La Roche | Process for the preparation of a diketo compound |
| CH599917A5 (it) * | 1974-07-10 | 1978-06-15 | Firmenich & Cie | |
| FR2303785A1 (fr) * | 1975-03-11 | 1976-10-08 | Rhone Poulenc Ind | Procede d'oxydation de cetones b-ethyleniques |
-
1975
- 1975-12-19 FR FR7539783A patent/FR2335487A1/fr active Granted
-
1976
- 1976-12-16 JP JP51150393A patent/JPS6022692B2/ja not_active Expired
- 1976-12-16 US US05/751,159 patent/US4092361A/en not_active Expired - Lifetime
- 1976-12-17 GB GB52833/76A patent/GB1521170A/en not_active Expired
- 1976-12-17 CA CA268,604A patent/CA1082738A/fr not_active Expired
- 1976-12-17 DE DE19762657386 patent/DE2657386A1/de active Granted
- 1976-12-17 CH CH1595476A patent/CH615899A5/fr not_active IP Right Cessation
- 1976-12-17 BE BE173402A patent/BE849560A/xx not_active IP Right Cessation
- 1976-12-17 NL NL7614070A patent/NL7614070A/xx not_active Application Discontinuation
- 1976-12-17 IT IT30563/76A patent/IT1065800B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2335487A1 (fr) | 1977-07-15 |
| GB1521170A (en) | 1978-08-16 |
| CA1082738A (fr) | 1980-07-29 |
| JPS5277034A (en) | 1977-06-29 |
| FR2335487B1 (it) | 1978-08-18 |
| IT1065800B (it) | 1985-03-04 |
| NL7614070A (nl) | 1977-06-21 |
| JPS6022692B2 (ja) | 1985-06-03 |
| BE849560A (fr) | 1977-06-17 |
| DE2657386C2 (it) | 1987-12-17 |
| US4092361A (en) | 1978-05-30 |
| DE2657386A1 (de) | 1977-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |