Process for the preparation of esters from trifluoroacetic...

C - Chemistry – Metallurgy – 07 – C

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260/495.3

C07C 67/08 (2006.01) C07C 69/63 (2006.01)

Patent

CA 1263667

PRECIS DE LA DIVULGATION La présente invention concerne un procédé de préparation d'esters de l'acide trifluoroacétique ou trichloroacétique caractérisé en ce que l'on met en présence l'acide trifluoroacétique ou trichloroacétique et un alcool aliphatique non perfluoré au sein de l'acide fluorhydrique liquide et en ce que l'on sépare l'ester obtenu par décantation. Les esters de l'acide trifluoroacétique ou trichloroacétique sont utilisés comme intermédiaires de synthèse dans l'industrie pharmaceutique ou phytosanitaire.

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