CH618979A5 - - Google Patents

Download PDF

Info

Publication number
CH618979A5
CH618979A5 CH290176A CH290176A CH618979A5 CH 618979 A5 CH618979 A5 CH 618979A5 CH 290176 A CH290176 A CH 290176A CH 290176 A CH290176 A CH 290176A CH 618979 A5 CH618979 A5 CH 618979A5
Authority
CH
Switzerland
Prior art keywords
formula
acid
alkali
benzene
alkyl
Prior art date
Application number
CH290176A
Other languages
German (de)
English (en)
Inventor
Urs Oskar Hengartner
Pius Anton Wehrli
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 CH618979A5 publication Critical patent/CH618979A5/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D317/00Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D317/08Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
    • C07D317/10Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings
    • C07D317/14Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with substituted hydrocarbon radicals attached to ring carbon atoms
    • C07D317/26Radicals substituted by doubly bound oxygen or sulfur atoms or by two such atoms singly bound to the same carbon atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10Spiro-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
CH290176A 1975-03-20 1976-03-09 CH618979A5 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/560,062 US3972898A (en) 1975-03-20 1975-03-20 Process for the preparation of 6,6-alkylenedioxyalkan-2-ones

Publications (1)

Publication Number Publication Date
CH618979A5 true CH618979A5 (enExample) 1980-08-29

Family

ID=24236195

Family Applications (1)

Application Number Title Priority Date Filing Date
CH290176A CH618979A5 (enExample) 1975-03-20 1976-03-09

Country Status (7)

Country Link
US (2) US3972898A (enExample)
JP (1) JPS51115477A (enExample)
CH (1) CH618979A5 (enExample)
DE (1) DE2611043C2 (enExample)
FR (1) FR2304611A1 (enExample)
GB (1) GB1475867A (enExample)
NL (1) NL7602855A (enExample)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610204A (en) * 1947-01-25 1952-09-09 Gen Mills Inc Synthesis of 1, 5-ketoaldehydes
US3567744A (en) * 1967-08-14 1971-03-02 Sumitomo Chemical Co Process for producing furoic acid derivatives
US3562313A (en) * 1968-05-06 1971-02-09 Alexander D Cross Intermediates for benzoic acid lactones
US3767677A (en) * 1970-07-08 1973-10-23 Hoffmann La Roche Process for the preparation of 6,6-alkylenedioxyheptan-2-one

Also Published As

Publication number Publication date
US3972898A (en) 1976-08-03
JPS51115477A (en) 1976-10-12
US4067885A (en) 1978-01-10
FR2304611A1 (fr) 1976-10-15
DE2611043A1 (de) 1976-09-30
DE2611043C2 (de) 1987-01-08
NL7602855A (nl) 1976-09-22
FR2304611B1 (enExample) 1979-05-18
JPS576429B2 (enExample) 1982-02-04
GB1475867A (en) 1977-06-10

Similar Documents

Publication Publication Date Title
DE2337813C3 (de) Verfahren zur Herstellung von Monoacetalen aromatischer 1,2-Diketone
US3227736A (en) Production of alpha-fluorocarboxylic acids and esters
DE2418715A1 (de) Allensaeureester
DE2751133A1 (de) Verfahren zum cyclisieren von gamma-chlorcarbonsaeureestern
EP0165521B1 (de) Verfahren zur Herstellung eines Gemisches aus einem gegebenenfalls substituierten Zimtsäureester und einem gegebenenfalls substituierten Beta-Alkoxy-Beta-phenyl-propionsäureester sowie Verfahren zur Herstellung von gegebenenfalls substituierter Zimtsäure
DE2533396C2 (de) 3-Methyl-3-aryl-brenztraubensäureester und Verfahren zu ihrer Herstellung
EP0061669B1 (de) Verbessertes Verfahren zur Herstellung von Cyclohexan-1,3-dionen sowie einige neue bicyclische Cyclohexan-1,3-dione
DE2151493A1 (de) Verfahren zur Herstellung eines Butyrolaktons
CH618979A5 (enExample)
DE69106897T2 (de) Verfahren zur Herstellung von Haloketosäureabkömmlingen.
DE19647117A1 (de) Verfahren zur Herstellung gamma,delta-ungesättigten Ketonen durch Caroll-Reaktion in cyclischen Carbonaten oder gamma-Lactonen als Lösungsmittel
EP0182168B1 (de) Verfahren zur Herstellung von Hydroxymethylen-alkoxyessigsäureestern
DE2717502C2 (enExample)
DE19944874C1 (de) Verfahren zur Herstellung von Cyclooctanol
EP0076379B1 (de) Verfahren zur Herstellung von 4-Alkoxyacetessigestern
CH590817A5 (enExample)
EP0643036B1 (de) Verfahren zur Herstellung von Pimelinsäureestern
DE1643195C (enExample)
DE1290937B (de) Verfahren zur Herstellung von 3, 5-Dioxo-17ª‰-hydroxy-4, 5-seco-delta 9-oestren bzw. -17ª‰-acylaten
DE1924844A1 (de) Verfahren zur Herstellung von Trimethyl-2-cyclohexen-1-onen
AT203474B (de) Verfahren zur Herstellung von α,β-ungesättigten Aldehyden
DE919108C (de) Verfahren zur Herstellung von Pyranabkoemmlingen
DE1078112B (de) Verfahren zur Herstellung von diolefinisch-ungesaettigten Ketonen
DE3048031A1 (de) Verfahren zur herstellung substituierter pyrazine
DE2912052A1 (de) Verfahren zur herstellung von 2eckige klammer auf 4-(thienylcarbonyl)phenyl eckige klammer zu -propionsaeure

Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased