Hydrochloric Acid → HCID 178516408, compound

Participants

Reaction Steps

Heat 4-chloro-2-methoxy-7-(3-trifluoromethyl-pyridin-2-yl)-[1,8]naphthyridine (600 mg, 1.8 mmol), 4-trifluoromethylaniline (322 mg, 2.0 mmol) and 2M hydrochloric acid in ether (1 mL, 2.0 mmol) in isopropanol (15 mL) at 80° C. for 16 hours. Cool the mixture and collect the precipitate by filtration. Partition the solid between ethyl acetate and saturated sodium bicarbonate solution. Separate the layers and extract the aqueous layer with further ethyl acetate. Wash the combined organic extracts with brine, dry (MgSO4) and evaporate to give the title compound.

Provenance & Evidence