Method for the preparation of citalopram

Details Method for the preparation of citalopram Method for the preparation of citalopram

C - Chemistry, Metallurgy

07

D

C07D 307/87 (2006.01) A61K 31/343 (2006.01) A61P 25/24 (2006.01)

Patent

CA 2291129

A method for the preparation of citalopram comprising reductive hydrolysis of a compound of Formula (IV) wherein R is a N,N-disubstituted amid group or an optionally substituted 4,5-dihydro-1,3-oxazol-2-yl group, and conversion of the resulting 5-formyl compound to citalopram.

La présente invention concerne la préparation de la citaloprame consistant à hydrolyser par réduction un composé de la formule (IV), dans laquelle R représente un groupe amide N,N-bisubstitué ou un groupe 4,5-dihydro-1,3-oxazol-2-yle éventuellement substitué, et à convertir le composé 5-formyle obtenu en citaloprame.

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