ATA53975A - Verfahren zur herstellung von 2-alkyl-cyclopentan- 1,3 -dionen - Google Patents

Verfahren zur herstellung von 2-alkyl-cyclopentan- 1,3 -dionen

Info

Publication number
ATA53975A
ATA53975A AT53975*#A AT53975A ATA53975A AT A53975 A ATA53975 A AT A53975A AT 53975 A AT53975 A AT 53975A AT A53975 A ATA53975 A AT A53975A
Authority
AT
Austria
Prior art keywords
cyclopentan
dione
alkyl
preparation
Prior art date
Application number
AT53975*#A
Other languages
English (en)
Other versions
AT334332B (de
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
Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche
Application granted granted Critical
Publication of AT334332B publication Critical patent/AT334332B/de
Publication of ATA53975A publication Critical patent/ATA53975A/de

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
    • C07C45/45Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/455Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation with carboxylic acids or their derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT53975*#A 1974-01-25 1975-01-24 Verfahren zur herstellung von 2-alkyl-cyclopentan- 1,3 -dionen AT334332B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/436,579 US3931322A (en) 1974-01-25 1974-01-25 Synthesis of 2-alkyl-cyclopentan-1,3-diones

Publications (2)

Publication Number Publication Date
AT334332B AT334332B (de) 1976-01-10
ATA53975A true ATA53975A (de) 1976-05-15

Family

ID=23732990

Family Applications (1)

Application Number Title Priority Date Filing Date
AT53975*#A AT334332B (de) 1974-01-25 1975-01-24 Verfahren zur herstellung von 2-alkyl-cyclopentan- 1,3 -dionen

Country Status (9)

Country Link
US (1) US3931322A (de)
JP (1) JPS50106940A (de)
AT (1) AT334332B (de)
BE (1) BE824730A (de)
CH (1) CH605530A5 (de)
DE (1) DE2501859A1 (de)
FR (1) FR2259080B1 (de)
GB (1) GB1444338A (de)
NL (1) NL7500686A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2448677C3 (de) * 1974-10-12 1980-04-03 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Cyclohexan-13-dionen bzw. 6-Alkyl-3, 4-dihydro-2-pyranonen
DE2450086C3 (de) * 1974-10-22 1981-10-08 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Resorcinen aus δ -Ketocarbonsäuren oder ihren Lactonen
JPH02221241A (ja) * 1989-01-06 1990-09-04 Lonza Ag 1,3―シクロペンタンジオンの製造方法
AU676689B2 (en) * 1992-11-06 1997-03-20 Rhone-Poulenc Chimie Beta-diketones, processes for making beta-diketones and use of beta-diketones as stabilizers for PVC
US5407910A (en) * 1993-10-12 1995-04-18 Union Camp Corporation Cyclopent-1-en-3,5-dione compounds and compositions

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2158071A (en) * 1936-06-25 1939-05-16 Du Pont Ester condensations
DE1249263B (de) * 1963-04-26 1967-09-07 Roussel-Uclaf, Pans Verfah ren zur Herstellung vor substituierten 1,3 Dioxocyclopentanderivaten
US3518296A (en) * 1964-04-22 1970-06-30 Roussel Uclaf Process of preparation of alkyl cyclopentane diones and intermediates therefor
GB1136496A (en) * 1966-06-17 1968-12-11 Akad Wissenschaften Ddr Process for the preparation of cycloalkane-1,3-diones
US3798259A (en) * 1973-04-09 1974-03-19 Hoffmann La Roche Synthesis of ypsilon-ketoesters

Also Published As

Publication number Publication date
BE824730A (fr) 1975-07-24
FR2259080A1 (de) 1975-08-22
GB1444338A (en) 1976-07-28
AT334332B (de) 1976-01-10
CH605530A5 (de) 1978-09-29
DE2501859A1 (de) 1975-07-31
US3931322A (en) 1976-01-06
FR2259080B1 (de) 1978-02-24
JPS50106940A (de) 1975-08-22
NL7500686A (nl) 1975-07-29

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
REN Ceased due to non-payment of the annual fee