CH585168A5 - - Google Patents
Info
- Publication number
- CH585168A5 CH585168A5 CH1717273A CH1717273A CH585168A5 CH 585168 A5 CH585168 A5 CH 585168A5 CH 1717273 A CH1717273 A CH 1717273A CH 1717273 A CH1717273 A CH 1717273A CH 585168 A5 CH585168 A5 CH 585168A5
- Authority
- CH
- Switzerland
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- 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
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1717273A CH585168A5 (it) | 1973-12-07 | 1973-12-07 | |
| US05/527,450 US4010205A (en) | 1973-12-07 | 1974-11-26 | Process for the preparation of a diketone derivative |
| DE2457157A DE2457157C3 (de) | 1973-12-07 | 1974-12-04 | Verfahren zur Herstellung von 2,2,6-TrimethyI-cyclohex-5-en-1,4-dion |
| NL7415846A NL7415846A (nl) | 1973-12-07 | 1974-12-05 | Werkwijze ter bereiding van een diketonderivaat. |
| FR7439896A FR2253730B1 (it) | 1973-12-07 | 1974-12-05 | |
| JP14040774A JPS5328907B2 (it) | 1973-12-07 | 1974-12-06 | |
| GB5315874A GB1429120A (en) | 1973-12-07 | 1974-12-09 | Preparation of a diketone |
| US05/717,209 US4026948A (en) | 1973-12-07 | 1976-08-24 | Process for the preparation of 2,2,6-trimethyl-cyclohex-5-en-1,4-dione |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1717273A CH585168A5 (it) | 1973-12-07 | 1973-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH585168A5 true CH585168A5 (it) | 1977-02-28 |
Family
ID=4423323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1717273A CH585168A5 (it) | 1973-12-07 | 1973-12-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4010205A (it) |
| JP (1) | JPS5328907B2 (it) |
| CH (1) | CH585168A5 (it) |
| DE (1) | DE2457157C3 (it) |
| FR (1) | FR2253730B1 (it) |
| GB (1) | GB1429120A (it) |
| NL (1) | NL7415846A (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH605535A5 (it) * | 1974-04-11 | 1978-09-29 | Hoffmann La Roche | |
| FR2335487A1 (fr) * | 1975-12-19 | 1977-07-15 | Rhone Poulenc Ind | Procede de preparation de trimethyl-3,5,5 cyclohexene-2 dione-1,4 |
| JPS591249B2 (ja) * | 1977-08-08 | 1984-01-11 | 高砂香料工業株式会社 | ４−ヒドロキシ−４−メチル−シクロヘキセン−２−オン−１ |
| DE3735211A1 (de) * | 1987-10-17 | 1989-04-27 | Huels Chemische Werke Ag | Verfahren zur herstellung von beta-isophoron aus alpha-isophoron |
| 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 |
| US5276197A (en) * | 1990-11-30 | 1994-01-04 | Hoffman-La Roche Inc. | Process for manufacture of beta-isophorone |
| DE19821379A1 (de) | 1998-05-13 | 1999-11-18 | Degussa | Verbessertes Verfahren zur Herstellung von 3,5,5-Trimethylcyclohexa-3-en-1-on(beta-Isophoron durch Isomerisierung von 3,5,5-Trimethylcyclohexa-2-en-1-on(alpha-Isophoron)(II) |
| FR2795409B1 (fr) | 1999-06-22 | 2001-08-24 | Atofina | Procede continu de fabrication de 3,5,5-trimethyl cyclohexa- 3-en-1-one(beta-isophorone) |
| FR2795408B1 (fr) | 1999-06-22 | 2001-08-24 | Atofina | Procede continu de fabrication de 3,5,5-trimethyl cyclohexa- 3-en-1-one(beta-isophorone) |
| CN104311407B (zh) * | 2014-09-29 | 2016-07-06 | 万华化学集团股份有限公司 | 一种3,5,5-三甲基-3-环己烯-1-酮的绿色制备工艺 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2197462A (en) * | 1937-12-27 | 1940-04-16 | Shell Dev | Process and product relating to heteropolar compounds |
| US2819298A (en) * | 1955-07-22 | 1958-01-07 | Hoffmann La Roche | Process for the manufacture of carotenoids |
| US2917539A (en) * | 1955-12-29 | 1959-12-15 | Hoffmann La Roche | Process for the manufacture of carotenoids |
| NL110242C (it) * | 1959-02-12 | |||
| US3404185A (en) * | 1964-04-29 | 1968-10-01 | Union Carbide Corp | Chromium amine complex catalyzed oxidation of cyclic hydrocarbons to ketones |
| NL6410417A (it) * | 1964-09-08 | 1966-03-09 | ||
| US3385903A (en) * | 1966-11-25 | 1968-05-28 | Shell Oil Co | Production of trimethylphenols |
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1973
- 1973-12-07 CH CH1717273A patent/CH585168A5/xx not_active IP Right Cessation
-
1974
- 1974-11-26 US US05/527,450 patent/US4010205A/en not_active Expired - Lifetime
- 1974-12-04 DE DE2457157A patent/DE2457157C3/de not_active Expired
- 1974-12-05 NL NL7415846A patent/NL7415846A/xx not_active Application Discontinuation
- 1974-12-05 FR FR7439896A patent/FR2253730B1/fr not_active Expired
- 1974-12-06 JP JP14040774A patent/JPS5328907B2/ja not_active Expired
- 1974-12-09 GB GB5315874A patent/GB1429120A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2253730B1 (it) | 1978-08-18 |
| JPS5093946A (it) | 1975-07-26 |
| GB1429120A (en) | 1976-03-24 |
| DE2457157A1 (de) | 1975-06-12 |
| FR2253730A1 (it) | 1975-07-04 |
| NL7415846A (nl) | 1975-06-10 |
| JPS5328907B2 (it) | 1978-08-17 |
| DE2457157C3 (de) | 1978-10-12 |
| US4010205A (en) | 1977-03-01 |
| DE2457157B2 (de) | 1978-02-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |