BE849560A - Procede de preparation de trimethyl-3,5,5cyclohexene-2dione-1,4, et produit obtenu - Google Patents

Procede de preparation de trimethyl-3,5,5cyclohexene-2dione-1,4, et produit obtenu

Info

Publication number
BE849560A
BE849560A BE173402A BE173402A BE849560A BE 849560 A BE849560 A BE 849560A BE 173402 A BE173402 A BE 173402A BE 173402 A BE173402 A BE 173402A BE 849560 A BE849560 A BE 849560A
Authority
BE
Belgium
Prior art keywords
2dione
trimethyl
preparation
product obtained
product
Prior art date
Application number
BE173402A
Other languages
English (en)
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 filed Critical
Publication of BE849560A publication Critical patent/BE849560A/fr

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
BE173402A 1975-12-19 1976-12-17 Procede de preparation de trimethyl-3,5,5cyclohexene-2dione-1,4, et produit obtenu BE849560A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
BE849560A true BE849560A (fr) 1977-06-17

Family

ID=9164187

Family Applications (1)

Application Number Title Priority Date Filing Date
BE173402A BE849560A (fr) 1975-12-19 1976-12-17 Procede de preparation de trimethyl-3,5,5cyclohexene-2dione-1,4, et produit obtenu

Country Status (10)

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

Families Citing this family (8)

* 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
JPH0433352Y2 (fr) * 1986-09-17 1992-08-10
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 (fr) * 1964-09-08 1966-03-09
UST900015I4 (en) 1970-10-01 1972-07-25 defensive publication
CH559156A5 (fr) * 1972-11-16 1975-02-28 Firmenich & Cie
CH586173A5 (fr) * 1973-12-07 1977-03-31 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
CH585168A5 (fr) * 1973-12-07 1977-02-28 Firmenich & Cie
CH605535A5 (fr) * 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 (fr) * 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
FR2335487A1 (fr) 1977-07-15
GB1521170A (en) 1978-08-16
CA1082738A (fr) 1980-07-29
JPS5277034A (en) 1977-06-29
FR2335487B1 (fr) 1978-08-18
IT1065800B (it) 1985-03-04
NL7614070A (nl) 1977-06-21
JPS6022692B2 (ja) 1985-06-03
CH615899A5 (fr) 1980-02-29
DE2657386C2 (fr) 1987-12-17
US4092361A (en) 1978-05-30
DE2657386A1 (de) 1977-06-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RHONE-POULENC INDUSTRIES

Effective date: 19911231