Process for the preparation of ketone compounds

Details Process for the preparation of ketone compounds Process for the preparation of ketone compounds

C - Chemistry, Metallurgy

07

C

C07C 45/68 (2006.01) C07C 49/83 (2006.01)

Patent

CA 2056979

The invention relates to an improved, large scale process for the preparation of compounds of formula (I) (see fig. I) wherein R is halogen atom or hydroxyl, R2 is hydrogen atom or hydroxyl, R3 and R4 are hydrogen or alkoxy having 1-6 carbon atoms.

L'invention concerne un procédé à grande échelle amélioré pour la préparation de composés de formule (I) (voir fig. I) où R est un atome d'halogène ou un groupe hydroxyle, R2 est un atome d'hydrogène ou un groupe hydroxyle, R3 et R4 sont un atome d'hydrogène ou un groupe alcoxy de 1 à 6 atomes de carbone.

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