Ester synthesis

Details Ester synthesis Ester synthesis

C - Chemistry, Metallurgy

07

C

C07C 67/04 (2006.01) C07C 69/14 (2006.01)

Patent

CA 2336946

This invention relates to a process for the production of lower aliphatic esters, said process comprising reacting a lower olefin with a saturated lower aliphatic mono-carboxylic acid in the vapour phase in the presence of a heteropolyacid catalyst, characterised in that the reactants are rendered substantially free of basic nitrogenous compounds prior to being brought into contact with the heteropolyacid catalyst.

L'invention concerne un procédé relatif à la production d'esters aliphatiques inférieurs, qui consiste à faire réagir une oléfine inférieure avec un acide monocarboxylique aliphatique inférieur saturé en phase vapeur, le système réactif comprenant un catalyseur hétéropolyacide. Le procédé est caractérisé en ce que les réactifs sont sensiblement dépourvus de leurs composés azotés basiques, avant le contact avec le catalyseur susmentionné.

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