Patent · US Active

Method for synthesising esters

US9701615B2 · kind B2 · utility

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20Claims

0Family size

Assignees

Pivert · FR
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE · FR
UNIVERSITE DES SCIENCES ET TECHNOLOGIES DE LILLE 1 · FR
ECOLE CENTRALE DE LILLE · FR

Inventors

Franck Dumeignil · Fretin, FR
Simon Desset · Woluwe-Saint-Pierre - Sint-Pieters-Woluwe, BE
Sebastien Paul · Saint-Amand-les-Eaux, FR
Guillaume Raffa · Les Halles, FR
Lei Zhang · Beijing, CN

Key dates

Filing date	Nov 6, 2014
Grant date	Jul 11, 2017
Priority date	—
Expiry date	Nov 6, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F15/0046
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method for synthesising a second ester from a first ester, the method including the following steps: a) placing a first ester and a catalyst in the presence of dihydrogen such as to obtain a first alcohol and a second alcohol; b) extracting the second alcohol from the reaction medium; c) reacting the first alcohol with the catalyst of step a) in order to obtain a second ester and dihydrogen; and d) recirculating the dihydrogen obtained in step c) by injecting same into step a).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.