CA2240196C - Procede de preparation d'esters d'acide (meth)acrylique - Google Patents

Procede de preparation d'esters d'acide (meth)acrylique Download PDF

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Publication number
CA2240196C
CA2240196C CA002240196A CA2240196A CA2240196C CA 2240196 C CA2240196 C CA 2240196C CA 002240196 A CA002240196 A CA 002240196A CA 2240196 A CA2240196 A CA 2240196A CA 2240196 C CA2240196 C CA 2240196C
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CA
Canada
Prior art keywords
formula
reaction
ppm
reaction mixture
catalyst system
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.)
Expired - Fee Related
Application number
CA002240196A
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English (en)
Other versions
CA2240196A1 (fr
Inventor
Joachim Knebel
Ralf Merbach
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.)
Roehm GmbH Darmstadt
Original Assignee
Roehm GmbH Darmstadt
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
Priority claimed from DE19547099A external-priority patent/DE19547099B4/de
Application filed by Roehm GmbH Darmstadt filed Critical Roehm GmbH Darmstadt
Publication of CA2240196A1 publication Critical patent/CA2240196A1/fr
Application granted granted Critical
Publication of CA2240196C publication Critical patent/CA2240196C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/04—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D233/28—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, 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
    • C07D233/30—Oxygen or sulfur atoms
    • C07D233/32—One oxygen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

L'invention concerne un procédé catalytique de production d'esters d'acide (méth)acrylique de formule (I), dans laquelle R1 représente H ou CH3, et A et B représentent des groupes alkylène ramifiés ou non, possédant 2 à 5 atomes de C. Ledit procédé consiste à faire réagir des esters d'acide (méth)acrylique de formule (II), dans laquelle R2 représente un groupe alkyle possédant en particulier 1 à 4 atomes de C, avec des alcools de formule (III), en présence d'au maximum 250 ppm de Ca(OH)2 comme catalyseur. Aprés la réaction, le catalyseur peut être séparé du mélange de réaction par filtration.
CA002240196A 1995-12-16 1996-11-13 Procede de preparation d'esters d'acide (meth)acrylique Expired - Fee Related CA2240196C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19547099A DE19547099B4 (de) 1995-12-16 1995-12-16 Verfahren zur Herstellung von (Meth)acrylsäureestern
DE19547099.0 1995-12-16
PCT/DE1996/002161 WO1997022592A1 (fr) 1995-12-16 1996-11-13 Procede de preparation d'esters d'acide (meth)acrylique

Publications (2)

Publication Number Publication Date
CA2240196A1 CA2240196A1 (fr) 1997-06-26
CA2240196C true CA2240196C (fr) 2006-10-10

Family

ID=37114031

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002240196A Expired - Fee Related CA2240196C (fr) 1995-12-16 1996-11-13 Procede de preparation d'esters d'acide (meth)acrylique

Country Status (1)

Country Link
CA (1) CA2240196C (fr)

Also Published As

Publication number Publication date
CA2240196A1 (fr) 1997-06-26

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