DK0832870T3 - Fremgangsmåde til fremstillingen af 3,5,5-trimethylcyclohex-3-en-1-on(beta-isophoron) ved isomerisering af 3,5,5-trimethylcyclohex-2-en-1-on(alfa-isophoron) - Google Patents

Fremgangsmåde til fremstillingen af 3,5,5-trimethylcyclohex-3-en-1-on(beta-isophoron) ved isomerisering af 3,5,5-trimethylcyclohex-2-en-1-on(alfa-isophoron)

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Publication number
DK0832870T3
DK0832870T3 DK97115589T DK97115589T DK0832870T3 DK 0832870 T3 DK0832870 T3 DK 0832870T3 DK 97115589 T DK97115589 T DK 97115589T DK 97115589 T DK97115589 T DK 97115589T DK 0832870 T3 DK0832870 T3 DK 0832870T3
Authority
DK
Denmark
Prior art keywords
trimethylcyclohex
isophorone
beta
alpha
isomerization
Prior art date
Application number
DK97115589T
Other languages
English (en)
Inventor
Steffen Dr Krill
Guenes Giray
Klaus Dr Huthmacher
Frank Dr Huebner
Herbert Dr Tanner
Original Assignee
Degussa
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
Application filed by Degussa filed Critical Degussa
Application granted granted Critical
Publication of DK0832870T3 publication Critical patent/DK0832870T3/da

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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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
DK97115589T 1996-09-26 1997-09-09 Fremgangsmåde til fremstillingen af 3,5,5-trimethylcyclohex-3-en-1-on(beta-isophoron) ved isomerisering af 3,5,5-trimethylcyclohex-2-en-1-on(alfa-isophoron) DK0832870T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19639570A DE19639570A1 (de) 1996-09-26 1996-09-26 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)

Publications (1)

Publication Number Publication Date
DK0832870T3 true DK0832870T3 (da) 2001-09-24

Family

ID=7806966

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97115589T DK0832870T3 (da) 1996-09-26 1997-09-09 Fremgangsmåde til fremstillingen af 3,5,5-trimethylcyclohex-3-en-1-on(beta-isophoron) ved isomerisering af 3,5,5-trimethylcyclohex-2-en-1-on(alfa-isophoron)

Country Status (6)

Country Link
US (1) US6005147A (da)
EP (1) EP0832870B1 (da)
JP (1) JP3881754B2 (da)
AT (1) ATE203508T1 (da)
DE (2) DE19639570A1 (da)
DK (1) DK0832870T3 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)
KR100750054B1 (ko) * 2001-11-12 2007-08-16 에스케이에너지 주식회사 고순도 3,5,5-트리메틸-3-사이클로헥세논의 제조방법
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
CN106278854B (zh) * 2015-06-05 2018-10-26 浙江新和成药业有限公司 一种由α-异佛尔酮异构β-异佛尔酮的制备方法
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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH530359A (de) * 1969-12-30 1972-11-15 Givaudan & Cie Sa Verfahren zur katalytischen Isomerisierung von olefinisch ungesättigten Verbindungen
JPS5287105A (en) * 1976-01-16 1977-07-20 Japan Synthetic Rubber Co Ltd Production and separation of butadiene polymer, isobutene and 2-butene from the c4 fraction
US4684760A (en) * 1986-02-24 1987-08-04 Phillips Petroleum Company Catalyst compositions useful for olefin isomerization and disproportionation
DE3735211A1 (de) * 1987-10-17 1989-04-27 Huels Chemische Werke Ag Verfahren zur herstellung von beta-isophoron aus alpha-isophoron
JPH0819031B2 (ja) * 1987-12-28 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−３−エン−１−オンの製造方法
US4970191A (en) * 1989-04-18 1990-11-13 Aristech Chemical Corporation Basic mixed oxide
DE59104781D1 (de) * 1990-11-30 1995-04-06 Hoffmann La Roche Verfahren zur Herstellung von beta-Isophoron.
US5276197A (en) * 1990-11-30 1994-01-04 Hoffman-La Roche Inc. Process for manufacture of beta-isophorone
US5545761A (en) * 1994-11-14 1996-08-13 Aristech Chemical Corporation Method of making ketoisophorone via oxidation of isophorone with tert-butyl hydroperoxide

Also Published As

Publication number Publication date
JP3881754B2 (ja) 2007-02-14
US6005147A (en) 1999-12-21
DE59704112D1 (de) 2001-08-30
JPH10168023A (ja) 1998-06-23
ATE203508T1 (de) 2001-08-15
DE19639570A1 (de) 1998-04-02
EP0832870B1 (de) 2001-07-25
EP0832870A1 (de) 1998-04-01

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