CA1082738A - Procede de preparation de trimelhyl -3,5,5 cyclohexene-2 dione-1,4 - Google Patents

Procede de preparation de trimelhyl -3,5,5 cyclohexene-2 dione-1,4

Info

Publication number
CA1082738A
CA1082738A CA268,604A CA268604A CA1082738A CA 1082738 A CA1082738 A CA 1082738A CA 268604 A CA268604 A CA 268604A CA 1082738 A CA1082738 A CA 1082738A
Authority
CA
Canada
Prior art keywords
isophorone
base
dione
cyclohexene
trimethyl
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
CA268,604A
Other languages
English (en)
French (fr)
Inventor
Michel Costantini
Michel Jouffret
Adrien Dromard
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Application granted granted Critical
Publication of CA1082738A publication Critical patent/CA1082738A/fr
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/33Preparation 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
    • C07C45/34Preparation 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)
CA268,604A 1975-12-19 1976-12-17 Procede de preparation de trimelhyl -3,5,5 cyclohexene-2 dione-1,4 Expired CA1082738A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR75/39783 1975-12-19
FR7539783A FR2335487A1 (fr) 1975-12-19 1975-12-19 Procede de preparation de trimethyl-3,5,5 cyclohexene-2 dione-1,4

Publications (1)

Publication Number Publication Date
CA1082738A true CA1082738A (fr) 1980-07-29

Family

ID=9164187

Family Applications (1)

Application Number Title Priority Date Filing Date
CA268,604A Expired CA1082738A (fr) 1975-12-19 1976-12-17 Procede de preparation de trimelhyl -3,5,5 cyclohexene-2 dione-1,4

Country Status (10)

Country Link
US (1) US4092361A (en, 2012)
JP (1) JPS6022692B2 (en, 2012)
BE (1) BE849560A (en, 2012)
CA (1) CA1082738A (en, 2012)
CH (1) CH615899A5 (en, 2012)
DE (1) DE2657386A1 (en, 2012)
FR (1) FR2335487A1 (en, 2012)
GB (1) GB1521170A (en, 2012)
IT (1) IT1065800B (en, 2012)
NL (1) NL7614070A (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4407897A (en) 1979-12-10 1983-10-04 American Can Company Drying agent in multi-layer polymeric structure
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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB791953A (en) * 1956-07-06 1958-03-19 Hoffmann La Roche Novel cyclic diketones and ketals thereof and a process for the manufacture of the same
NL6410417A (en, 2012) * 1964-09-08 1966-03-09
UST900015I4 (en) 1970-10-01 1972-07-25 defensive publication
CH559156A5 (en, 2012) * 1972-11-16 1975-02-28 Firmenich & Cie
CH586173A5 (en, 2012) * 1973-12-07 1977-03-31 Firmenich & Cie
CH585168A5 (en, 2012) * 1973-12-07 1977-02-28 Firmenich & Cie
US4026948A (en) * 1973-12-07 1977-05-31 Firmenich S.A. Process for the preparation of 2,2,6-trimethyl-cyclohex-5-en-1,4-dione
CH605535A5 (en, 2012) * 1974-04-11 1978-09-29 Hoffmann La Roche
CH611590A5 (en) * 1974-06-28 1979-06-15 Hoffmann La Roche Process for the preparation of a diketo compound
CH599917A5 (en, 2012) * 1974-07-10 1978-06-15 Firmenich & Cie
FR2303785A1 (fr) * 1975-03-11 1976-10-08 Rhone Poulenc Ind Procede d'oxydation de cetones b-ethyleniques

Also Published As

Publication number Publication date
DE2657386C2 (en, 2012) 1987-12-17
NL7614070A (nl) 1977-06-21
FR2335487B1 (en, 2012) 1978-08-18
US4092361A (en) 1978-05-30
BE849560A (fr) 1977-06-17
DE2657386A1 (de) 1977-06-30
CH615899A5 (en, 2012) 1980-02-29
JPS5277034A (en) 1977-06-29
JPS6022692B2 (ja) 1985-06-03
FR2335487A1 (fr) 1977-07-15
IT1065800B (it) 1985-03-04
GB1521170A (en) 1978-08-16

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Legal Events

Date Code Title Description
MKEX Expiry