Hydrogen Bromide → N-[3-tert-butyl-2-methoxy-5-(2-oxo-1,2-dihydropyridin-3-yl)phenyl]-4-methanesulfonylamino-N-methylbenzamide

Participants

Reaction Conditions

Reaction Steps

To a solution of 142 (0.17 g, 0.33 mmol) in HOAc (3 mL) was added concentrated aqueous HBr (48%, 0.11 mL), and the solution was heated in a sealed tube at 60° C. for 15 h. The reaction mixture was cooled to RT, diluted with EtOAc, and washed sequentially with water and saturated aqueous NaHCO3. The organic layer was dried (Na2SO4), filtered and concentrated. The crude residue was purified by SiO2 chromatography eluting with DCM/MeOH/NH4OH to afford 0.15 g (93%) of N-[3-tert-butyl-2-methoxy-5-(2-oxo-1,2-dihydropyridin-3-yl)phenyl]-4-methanesulfonylamino-N-methylbenzamide (I-104) as a white powder.

Provenance & Evidence