Process for preparing dithioesters

C - Chemistry – Metallurgy – 07 – C

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C07C 327/36 (2006.01)

Patent

CA 2519426

The present invention relates to a process for preparing dithioesters in which a dithiocarboxylic acid and/or a dithiocarboxylic salt is reacted with a vinyl compound and/or an alkyl compound which includes a leaving group, the reaction being carried out in a biphasic system in which one of the phases comprises water and the weight ratio of the aqueous phase to the organic phase lies in the range from 95:5 to 5:95.

La présente invention concerne un procédé pour préparer des dithioesters, en faisant réagir un acide dithiocarboxylique et/ou un sel dithiocarboxylique avec un composé de vinyle et/ou un composé d'alkyle qui comprend un groupe partant, la réaction étant mise en oeuvre dans un système biphasique dans lequel l'une des phases comprend de l'eau et le rapport pondéral de la phase aqueuse par rapport à la phase organique valant de 95:5 à 5:95.

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