DK0488045T3 - Fremgangsmåde til fremstilling af beta-isophoron - Google Patents
Fremgangsmåde til fremstilling af beta-isophoronInfo
- Publication number
- DK0488045T3 DK0488045T3 DK91119835.6T DK91119835T DK0488045T3 DK 0488045 T3 DK0488045 T3 DK 0488045T3 DK 91119835 T DK91119835 T DK 91119835T DK 0488045 T3 DK0488045 T3 DK 0488045T3
- Authority
- DK
- Denmark
- Prior art keywords
- isophorone
- beta
- preparation
- alpha
- heterogeneous catalyst
- Prior art date
Links
Classifications
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/755—Nickel
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Steroid Compounds (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH379890 | 1990-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK0488045T3 true DK0488045T3 (da) | 1995-05-08 |
DK0488045T4 DK0488045T4 (da) | 2000-03-20 |
Family
ID=4263680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK91119835T DK0488045T4 (da) | 1990-11-30 | 1991-11-21 | Fremgangsmåde til fremstilling af beta-isophoron |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0488045B2 (da) |
JP (1) | JP3287593B2 (da) |
AT (1) | ATE119144T1 (da) |
DE (1) | DE59104781D1 (da) |
DK (1) | DK0488045T4 (da) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19639569A1 (de) * | 1996-09-26 | 1998-04-02 | Degussa | Verfahren zur Herstellung von beta-Isophoron durch Isomerisierung von alpha-Isophoron (I) |
DE19639570A1 (de) * | 1996-09-26 | 1998-04-02 | Degussa | Verfahren zur Herstellung von 3,5,5-Trimethylcyclohexa-3-en-1-on(ß-Isophoron) durch Isomerisierung von 3,5,5-Trimethylcyclohexa-2-en-l-on(alpha-Isophoron) |
DE102010030995A1 (de) | 2010-07-06 | 2012-01-12 | Evonik Degussa Gmbh | Verwendung von beta-Isophoron als Lösemittel |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3735211A1 (de) * | 1987-10-17 | 1989-04-27 | Huels Chemische Werke Ag | Verfahren zur herstellung von beta-isophoron aus alpha-isophoron |
-
1991
- 1991-11-21 DE DE59104781T patent/DE59104781D1/de not_active Expired - Lifetime
- 1991-11-21 DK DK91119835T patent/DK0488045T4/da active
- 1991-11-21 EP EP91119835A patent/EP0488045B2/de not_active Expired - Lifetime
- 1991-11-21 AT AT91119835T patent/ATE119144T1/de not_active IP Right Cessation
- 1991-11-27 JP JP33590691A patent/JP3287593B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3287593B2 (ja) | 2002-06-04 |
EP0488045B2 (de) | 1999-10-13 |
EP0488045A2 (de) | 1992-06-03 |
EP0488045B1 (de) | 1995-03-01 |
JPH04266842A (ja) | 1992-09-22 |
DK0488045T4 (da) | 2000-03-20 |
EP0488045A3 (en) | 1992-08-12 |
DE59104781D1 (de) | 1995-04-06 |
ATE119144T1 (de) | 1995-03-15 |
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