AT357139B - Verfahren zur herstellung von 2,2,4-trimethyl- cyclopent-4-en-1,3-dion - Google Patents

Verfahren zur herstellung von 2,2,4-trimethyl- cyclopent-4-en-1,3-dion

Info

Publication number
AT357139B
AT357139B AT585878A AT585878A AT357139B AT 357139 B AT357139 B AT 357139B AT 585878 A AT585878 A AT 585878A AT 585878 A AT585878 A AT 585878A AT 357139 B AT357139 B AT 357139B
Authority
AT
Austria
Prior art keywords
dion
cyclopent
trimethyl
producing
Prior art date
Application number
AT585878A
Other languages
English (en)
Other versions
ATA585878A (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
Publication of ATA585878A publication Critical patent/ATA585878A/de
Application granted granted Critical
Publication of AT357139B publication Critical patent/AT357139B/de

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
    • C07C45/61—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
    • C07C45/673—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 by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
AT585878A 1977-08-12 1978-08-11 Verfahren zur herstellung von 2,2,4-trimethyl- cyclopent-4-en-1,3-dion AT357139B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH991077 1977-08-12

Publications (2)

Publication Number Publication Date
ATA585878A ATA585878A (de) 1979-11-15
AT357139B true AT357139B (de) 1980-06-25

Family

ID=4357017

Family Applications (1)

Application Number Title Priority Date Filing Date
AT585878A AT357139B (de) 1977-08-12 1978-08-11 Verfahren zur herstellung von 2,2,4-trimethyl- cyclopent-4-en-1,3-dion

Country Status (9)

Country Link
US (1) US4157352A (de)
EP (1) EP0000885B1 (de)
JP (1) JPS5432440A (de)
AT (1) AT357139B (de)
DE (2) DE2834557A1 (de)
FR (1) FR2399995A1 (de)
GB (1) GB2002382A (de)
IT (1) IT1098369B (de)
NL (1) NL7807700A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6427322A (en) * 1988-04-21 1989-01-30 Sony Corp Arithmetic circuit for galois field
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
US5407910A (en) * 1993-10-12 1995-04-18 Union Camp Corporation Cyclopent-1-en-3,5-dione compounds and compositions
MX2017000750A (es) * 2014-07-18 2017-05-01 3M Innovative Properties Co Dosificador de fragancia para filtro de aire.

Also Published As

Publication number Publication date
ATA585878A (de) 1979-11-15
DE2860753D1 (en) 1981-09-17
IT7826632A0 (it) 1978-08-09
FR2399995B1 (de) 1980-09-05
FR2399995A1 (fr) 1979-03-09
JPS5432440A (en) 1979-03-09
EP0000885B1 (de) 1981-06-10
GB2002382A (en) 1979-02-21
EP0000885A1 (de) 1979-03-07
IT1098369B (it) 1985-09-07
NL7807700A (nl) 1979-02-14
DE2834557A1 (de) 1979-03-01
US4157352A (en) 1979-06-05

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Legal Events

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