DE2515304C2 - Verfahren zur Herstellung von 2,6,6-Trimethyl-2-cyclohexen-1,4-dion (Ketoisophoron) - Google Patents

Verfahren zur Herstellung von 2,6,6-Trimethyl-2-cyclohexen-1,4-dion (Ketoisophoron)

Info

Publication number
DE2515304C2
DE2515304C2 DE2515304A DE2515304A DE2515304C2 DE 2515304 C2 DE2515304 C2 DE 2515304C2 DE 2515304 A DE2515304 A DE 2515304A DE 2515304 A DE2515304 A DE 2515304A DE 2515304 C2 DE2515304 C2 DE 2515304C2
Authority
DE
Germany
Prior art keywords
pyridine
catalyst
vanadium
ketoisophorone
oxygen
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
Application number
DE2515304A
Other languages
German (de)
English (en)
Other versions
DE2515304A1 (de
Inventor
Wolf Dr. Füllingsdorf Brenner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of DE2515304A1 publication Critical patent/DE2515304A1/de
Application granted granted Critical
Publication of DE2515304C2 publication Critical patent/DE2515304C2/de
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE2515304A 1974-04-11 1975-04-08 Verfahren zur Herstellung von 2,6,6-Trimethyl-2-cyclohexen-1,4-dion (Ketoisophoron) Expired DE2515304C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH518774A CH605535A5 (enExample) 1974-04-11 1974-04-11

Publications (2)

Publication Number Publication Date
DE2515304A1 DE2515304A1 (de) 1975-11-06
DE2515304C2 true DE2515304C2 (de) 1985-01-10

Family

ID=4289383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2515304A Expired DE2515304C2 (de) 1974-04-11 1975-04-08 Verfahren zur Herstellung von 2,6,6-Trimethyl-2-cyclohexen-1,4-dion (Ketoisophoron)

Country Status (10)

Country Link
US (1) US4046813A (enExample)
JP (1) JPS5530695B2 (enExample)
AT (1) AT335995B (enExample)
BE (1) BE827768A (enExample)
CH (1) CH605535A5 (enExample)
DE (1) DE2515304C2 (enExample)
FR (1) FR2267300B1 (enExample)
GB (1) GB1442965A (enExample)
IT (1) IT1034261B (enExample)
NL (1) NL167677C (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303785A1 (fr) * 1975-03-11 1976-10-08 Rhone Poulenc Ind Procede d'oxydation de cetones b-ethyleniques
FR2335487A1 (fr) * 1975-12-19 1977-07-15 Rhone Poulenc Ind Procede de preparation de trimethyl-3,5,5 cyclohexene-2 dione-1,4
US4191696A (en) * 1978-07-24 1980-03-04 Allied Chemical Corporation Oxidation process using metal nitro complex
US4322562A (en) * 1978-07-24 1982-03-30 Allied Corporation Oxidation process using metal nitro or nitrosyl complex
US4393243A (en) * 1981-03-17 1983-07-12 Hoffmann-La Roche Inc. Carotenoid intermediate by an oxidation process
JPH0819030B2 (ja) * 1987-10-06 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−２−エン−１，４−ジオンの製造方法
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
DE19619570A1 (de) * 1996-05-15 1997-11-20 Degussa Verfahren zur Herstellung von Ketoisophoron
US6211418B1 (en) * 1997-08-01 2001-04-03 Nippon Petrochemicals Company Limited Method for producing trimethylhydroquinone
US20020055657A1 (en) * 1998-07-16 2002-05-09 Daicel Chemical Industries,Ltd. Process and apparatus for producing ketoisophorone
JP2000034255A (ja) * 1998-07-16 2000-02-02 Daicel Chem Ind Ltd ケトイソホロンの製造方法および製造装置
JP2000247921A (ja) * 1998-12-28 2000-09-12 Daicel Chem Ind Ltd ケトイソホロン誘導体の製造方法及び製造装置
DE10024264A1 (de) * 2000-05-17 2001-11-22 Degussa Verfahren zur Herstellung von 2,2,6-Trimethylcyclohexan-1,4-dion
US6469215B1 (en) 2000-05-17 2002-10-22 Degussa Ag Process for the production of an intermediate mixture of β-isophorone epoxide and its isomer 4-hydroxyisophorone (HIP)
DE102010030995A1 (de) 2010-07-06 2012-01-12 Evonik Degussa Gmbh Verwendung von beta-Isophoron als Lösemittel
CN110283056A (zh) * 2019-07-08 2019-09-27 万华化学集团股份有限公司 一种微通道反应器连续合成4-氧代异佛尔酮的方法
CN117820092A (zh) * 2023-12-15 2024-04-05 万华化学集团股份有限公司 一种β-异佛尔酮制备4-氧代异佛尔酮的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827481A (en) * 1955-07-06 1958-03-18 Hoffmann La Roche Process for the manufacture of polyene aldehydes
US2819298A (en) * 1955-07-22 1958-01-07 Hoffmann La Roche Process for the manufacture of carotenoids
NL6410417A (enExample) * 1964-09-08 1966-03-09
US3380456A (en) * 1965-08-02 1968-04-30 Reynolds Tobacco Co R Tobacco product
US3636165A (en) * 1969-08-18 1972-01-18 Int Flavors & Fragrances Inc Indanol derivatives and processes for producing same
CH559156A5 (enExample) * 1972-11-16 1975-02-28 Firmenich & Cie
CH585168A5 (enExample) * 1973-12-07 1977-02-28 Firmenich & Cie
CH586173A5 (enExample) * 1973-12-07 1977-03-31 Firmenich & Cie
CH611590A5 (en) * 1974-06-28 1979-06-15 Hoffmann La Roche Process for the preparation of a diketo compound
CH599917A5 (enExample) * 1974-07-10 1978-06-15 Firmenich & Cie

Also Published As

Publication number Publication date
NL167677B (nl) 1981-08-17
US4046813A (en) 1977-09-06
GB1442965A (en) 1976-07-21
FR2267300A1 (enExample) 1975-11-07
AT335995B (de) 1977-04-12
CH605535A5 (enExample) 1978-09-29
IT1034261B (it) 1979-09-10
DE2515304A1 (de) 1975-11-06
FR2267300B1 (enExample) 1980-03-14
BE827768A (fr) 1975-10-10
JPS5530695B2 (enExample) 1980-08-13
ATA273975A (de) 1976-08-15
NL167677C (nl) 1982-01-18
JPS50148332A (enExample) 1975-11-27
NL7504337A (nl) 1975-10-14

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: F. HOFFMANN-LA ROCHE AG, BASEL, CH

8328 Change in the person/name/address of the agent

Free format text: LEDERER, F., DIPL.-CHEM. DR., 8000 MUENCHEN RIEDERER FRHR. VON PAAR ZU SCHOENAU, A., DIPL.-ING., PAT.-ANWAELTE, 8300 LANDSHUT

8339 Ceased/non-payment of the annual fee