FR2738815A1 - Procede pour protoner des enolates de composes 1,3-dicarbonyles ch-acides a l'aide d'eau et de co2 supercritique - Google Patents

Procede pour protoner des enolates de composes 1,3-dicarbonyles ch-acides a l'aide d'eau et de co2 supercritique Download PDF

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Publication number
FR2738815A1
FR2738815A1 FR9610602A FR9610602A FR2738815A1 FR 2738815 A1 FR2738815 A1 FR 2738815A1 FR 9610602 A FR9610602 A FR 9610602A FR 9610602 A FR9610602 A FR 9610602A FR 2738815 A1 FR2738815 A1 FR 2738815A1
Authority
FR
France
Prior art keywords
water
supercritical
enolates
acid
proton
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR9610602A
Other languages
English (en)
French (fr)
Inventor
Markus Weber
Gunther Kulher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huels AG
Original Assignee
Huels AG
Chemische Werke Huels AG
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 Huels AG, Chemische Werke Huels AG filed Critical Huels AG
Publication of FR2738815A1 publication Critical patent/FR2738815A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/32—Oxygen atoms
    • C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
    • 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
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
FR9610602A 1995-09-15 1996-08-30 Procede pour protoner des enolates de composes 1,3-dicarbonyles ch-acides a l'aide d'eau et de co2 supercritique Withdrawn FR2738815A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19534355A DE19534355C2 (de) 1995-09-15 1995-09-15 Verfahren zur Protonierung von Enolaten CH-acider 1,3-Dicarbonylverbindungen mit Hilfe von Wasser und überkritischem CO¶2¶

Publications (1)

Publication Number Publication Date
FR2738815A1 true FR2738815A1 (fr) 1997-03-21

Family

ID=7772337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9610602A Withdrawn FR2738815A1 (fr) 1995-09-15 1996-08-30 Procede pour protoner des enolates de composes 1,3-dicarbonyles ch-acides a l'aide d'eau et de co2 supercritique

Country Status (3)

Country Link
CH (1) CH690578A5 (de)
DE (1) DE19534355C2 (de)
FR (1) FR2738815A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111620844B (zh) * 2020-07-23 2022-08-05 江西天新药业股份有限公司 α-乙酰基-γ-丁内酯的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3937287A1 (de) * 1989-11-09 1991-05-16 Henkel Kgaa Verfahren und anlage zum abtrennen von fettsaeuremonoglycerid

Also Published As

Publication number Publication date
DE19534355C2 (de) 1999-02-11
DE19534355A1 (de) 1997-03-20
CH690578A5 (de) 2000-10-31

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