1,2-Dichloroethane → 6-Chloro-N-methoxy-N-methylnicotinamide

Participants

Reaction Steps

To a solution of 6-chloronicotinic acid (20 g, 127 mmol) in acetonitrile (400 mL), methoxymethylamine hydrochloride (13.79 g, 141 mmol), EDC (27.1 g, 141 mmol), HOBT (5.2 g, 38.58 mmol) and TEA (53.3 mL, 386 mmol) were added at RT. The reaction mixture was stirred at RT overnight. Solvent was removed under reduced pressure and the residue was dissolved in ethyl acetate (300 mL). The reaction mixture was washed with water and brine. The organic layer was dried, filtered and concentrated. Purification of the crude product provided 23.6 g (93%) of compound A as viscous colorless oil.

Provenance & Evidence