CH553738A - PROCESS FOR THE PREPARATION OF A DIALCOYLACETAL DU (BETA), (DELTA) -DIOXOENANTHALDEHYDE. - Google Patents

PROCESS FOR THE PREPARATION OF A DIALCOYLACETAL DU (BETA), (DELTA) -DIOXOENANTHALDEHYDE.

Info

Publication number
CH553738A
CH553738A CH781672A CH781672A CH553738A CH 553738 A CH553738 A CH 553738A CH 781672 A CH781672 A CH 781672A CH 781672 A CH781672 A CH 781672A CH 553738 A CH553738 A CH 553738A
Authority
CH
Switzerland
Prior art keywords
dioxoenanthaldehyde
dialcoylacetal
delta
beta
preparation
Prior art date
Application number
CH781672A
Other languages
French (fr)
Original Assignee
Daicel Ltd
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 Daicel Ltd filed Critical Daicel Ltd
Publication of CH553738A publication Critical patent/CH553738A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/04—Saturated compounds containing keto groups bound to acyclic carbon atoms
    • C07C49/175—Saturated compounds containing keto groups bound to acyclic carbon atoms containing ether groups, groups, groups, or groups
    • 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
    • C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
    • C07C45/455—Preparation 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
    • 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
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH781672A 1971-12-27 1972-05-26 PROCESS FOR THE PREPARATION OF A DIALCOYLACETAL DU (BETA), (DELTA) -DIOXOENANTHALDEHYDE. CH553738A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP85772A JPS5328410B2 (en) 1971-12-27 1971-12-27

Publications (1)

Publication Number Publication Date
CH553738A true CH553738A (en) 1974-09-13

Family

ID=11485310

Family Applications (1)

Application Number Title Priority Date Filing Date
CH781672A CH553738A (en) 1971-12-27 1972-05-26 PROCESS FOR THE PREPARATION OF A DIALCOYLACETAL DU (BETA), (DELTA) -DIOXOENANTHALDEHYDE.

Country Status (8)

Country Link
JP (1) JPS5328410B2 (en)
CA (1) CA966502A (en)
CH (1) CH553738A (en)
DE (1) DE2225818A1 (en)
FR (1) FR2165836B1 (en)
GB (1) GB1389104A (en)
IT (1) IT955940B (en)
NL (1) NL7207202A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918775A1 (en) * 1979-05-10 1980-11-20 Merck Patent Gmbh DIKETONES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS COMPONENT LIQUID CRYSTAL IN DIELECTRICS
FR2697838B1 (en) * 1992-11-06 1994-12-02 Rhone Poulenc Chimie Process for the synthesis of B diketones by a claisen condensation reaction.
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

Also Published As

Publication number Publication date
DE2225818A1 (en) 1973-07-05
NL7207202A (en) 1973-06-29
JPS4872111A (en) 1973-09-29
JPS5328410B2 (en) 1978-08-15
CA966502A (en) 1975-04-22
GB1389104A (en) 1975-04-03
FR2165836A1 (en) 1973-08-10
FR2165836B1 (en) 1977-12-23
IT955940B (en) 1973-09-29

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Legal Events

Date Code Title Description
PL Patent ceased