DK0488045T3 - Fremgangsmåde til fremstilling af beta-isophoron - Google Patents

Fremgangsmåde til fremstilling af beta-isophoron

Info

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
Application number
DK91119835.6T
Other languages
English (en)
Other versions
DK0488045T4 (da
Inventor
Paul Dr Noesberger
Adrian James Vieth
Original Assignee
Hoffmann La Roche
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4263680&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0488045(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of DK0488045T3 publication Critical patent/DK0488045T3/da
Application granted granted Critical
Publication of DK0488045T4 publication Critical patent/DK0488045T4/da

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
DK91119835T 1990-11-30 1991-11-21 Fremgangsmåde til fremstilling af beta-isophoron DK0488045T4 (da)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)
DE19639569A1 (de) * 1996-09-26 1998-04-02 Degussa Verfahren zur Herstellung von beta-Isophoron durch Isomerisierung von alpha-Isophoron (I)
DE102010030995A1 (de) 2010-07-06 2012-01-12 Evonik Degussa Gmbh Verwendung von beta-Isophoron als Lösemittel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0488045B1 (de) 1995-03-01
EP0488045A2 (de) 1992-06-03
JPH04266842A (ja) 1992-09-22
ATE119144T1 (de) 1995-03-15
EP0488045B2 (de) 1999-10-13
DK0488045T4 (da) 2000-03-20
DE59104781D1 (de) 1995-04-06
EP0488045A3 (en) 1992-08-12
JP3287593B2 (ja) 2002-06-04

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