Patent ID: 8236954

Claim:
A process for preparing a compound of formula (X): wherein: R 3 is F, Cl, Br, alkyl or haloalkyl; R 10 is H or alkyl; or a pharmaceutically acceptable salt thereof; comprising the steps of: a) reacting 3-bromo-5-nitrobenzaldehyde: with an amine of formula: to prepare a compound of formula (III-a) or a salt thereof: b) cross-coupling the compound of formula (III-a) or a salt thereof with a compound of formula (IV-a) or a salt thereof: c) in the presence of a palladium catalyst to prepare a compound of formula (V-a) or a salt thereof: d) reducing the compound of formula (V-a) or a salt thereof to prepare a compound of formula (VI-a) or a salt thereof: e) cyclizing the compound of formula (VI-a) or a salt thereof in the presence of an orthoester and an acid catalyst to prepare a compound of formula (IX) or a salt thereof: and f) converting the ester compound of formula (IX), or salt thereof to the amide compound of formula (X).