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1. WO2014125027 - METHOD FOR MANUFACTURING SUCCINIC ACID ESTERS

Publication Number WO/2014/125027
Publication Date 21.08.2014
International Application No. PCT/EP2014/052825
International Filing Date 13.02.2014
IPC
C07C 67/08 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
67Preparation of carboxylic acid esters
08by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 69/40 2006.1
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
69Esters of carboxylic acids; Esters of carbonic or haloformic acids
34Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
40Succinic acid esters
CPC
C07C 29/095
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
09by hydrolysis
095of esters of organic acids
C07C 29/149
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
29Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
132by reduction of an oxygen containing functional group
136of >C=O containing groups, e.g. —COOH
147of carboxylic acids or derivatives thereof
149with hydrogen or hydrogen-containing gases
C07C 67/08
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
67Preparation of carboxylic acid esters
08by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 67/38
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
67Preparation of carboxylic acid esters
36by reaction with carbon monoxide or formates
38by addition to an unsaturated carbon-to-carbon bond
C12P 7/62
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
7Preparation of oxygen-containing organic compounds
62Carboxylic acid esters
Applicants
  • PURAC BIOCHEM BV [NL]/[NL]
Inventors
  • VAN KRIEKEN, Jan
  • DE HAAN, André Banier
  • VAN BREUGEL, Jan
Agents
  • HESSELINK, Dinah Elisabeth
Priority Data
13155241.614.02.2013EP
61/764,62814.02.2013US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHOD FOR MANUFACTURING SUCCINIC ACID ESTERS
(FR) PROCÉDÉ POUR LA PRÉPARATION D'ESTERS DE L'ACIDE SUCCINIQUE
Abstract
(EN) The invention pertains to a process for for preparing a succinic acid ester comprising the steps of - bringing an aqueous liquid comprising succinic acid, alcohol, and at least 5 wt. % of a dissolved chloride salt selected from magnesium chloride, calcium chloride, and zinc chloride, calculated on the weight of the liquid, to reaction conditions, thereby obtaining a succinic acid ester, and - recovering the succinic acid ester and an aqueous solution comprising the dissolved chloride salt. It has been found that the process according to the invention shows a high yield and has a high reaction rate. Additionally, it has been found that the process makes it possible to carry out the separation of the succinic acid ester from the aqueous reaction medium in high yield.
(FR) L'invention concerne un procédé pour la préparation d'un ester de l'acide succinique comprenant les étapes consistant à - amener un liquide aqueux comprenant de l'acide succinique, de l'alcool et au moins 5 % en poids d'un sel de chlorure dissous, choisi parmi le chlorure de magnésium, le chlorure de calcium et le chlorure de zinc, calculés sur base du poids du liquide, dans des conditions de réaction de manière à obtenir un ester succinique et - récupérer l'ester de l'acide succinique et une solution aqueuse, comprenant le sel de chlorure dissous. Le procédé selon l'invention présente un rendement élevé et une vitesse de réaction élevée. De plus, le procédé permet d'effectuer la séparation de l'ester de l'acide succinique à partir du milieu de réaction aqueux à un rendement élevé.
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