DE69710294D1 - Verfahren zur Herstellung von 3,5,5-Trimethyl-Cyclohexa-3-en-1-on - Google Patents
Verfahren zur Herstellung von 3,5,5-Trimethyl-Cyclohexa-3-en-1-onInfo
- Publication number
- DE69710294D1 DE69710294D1 DE69710294T DE69710294T DE69710294D1 DE 69710294 D1 DE69710294 D1 DE 69710294D1 DE 69710294 T DE69710294 T DE 69710294T DE 69710294 T DE69710294 T DE 69710294T DE 69710294 D1 DE69710294 D1 DE 69710294D1
- Authority
- DE
- Germany
- Prior art keywords
- cyclohexa
- trimethyl
- preparation
- 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
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8304819A JPH10139713A (ja) | 1996-11-15 | 1996-11-15 | 3,5,5−トリメチルシクロヘキサ−3−エン−1−オンの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69710294D1 true DE69710294D1 (de) | 2002-03-21 |
DE69710294T2 DE69710294T2 (de) | 2002-06-27 |
Family
ID=17937641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69710294T Expired - Fee Related DE69710294T2 (de) | 1996-11-15 | 1997-11-06 | Verfahren zur Herstellung von 3,5,5-Trimethyl-Cyclohexa-3-en-1-on |
Country Status (4)
Country | Link |
---|---|
US (1) | US5929285A (de) |
EP (1) | EP0842918B1 (de) |
JP (1) | JPH10139713A (de) |
DE (1) | DE69710294T2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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) |
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) |
US20040104108A1 (en) * | 2002-12-03 | 2004-06-03 | Mason Robert Michael | High capacity purification of thermally unstable compounds |
DE102010030995A1 (de) | 2010-07-06 | 2012-01-12 | Evonik Degussa Gmbh | Verwendung von beta-Isophoron als Lösemittel |
CN104761443B (zh) * | 2015-03-23 | 2016-05-18 | 万华化学集团股份有限公司 | 一种连续制备3,5,5-三甲基环己-3-烯-1-酮的方法 |
CN112920032B (zh) * | 2019-12-06 | 2022-07-12 | 万华化学集团股份有限公司 | 一种β-异佛尔酮的制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4005145A (en) * | 1974-03-01 | 1977-01-25 | Hoffmann-La Roche Inc. | Process for the manufacturing of oxo compounds |
JPS548650A (en) * | 1977-06-22 | 1979-01-23 | Nissan Chem Ind Ltd | Agricultural balanced film |
-
1996
- 1996-11-15 JP JP8304819A patent/JPH10139713A/ja active Pending
-
1997
- 1997-10-27 US US08/958,371 patent/US5929285A/en not_active Expired - Fee Related
- 1997-11-06 EP EP97119441A patent/EP0842918B1/de not_active Expired - Lifetime
- 1997-11-06 DE DE69710294T patent/DE69710294T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH10139713A (ja) | 1998-05-26 |
DE69710294T2 (de) | 2002-06-27 |
EP0842918B1 (de) | 2002-02-06 |
US5929285A (en) | 1999-07-27 |
EP0842918A1 (de) | 1998-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |