Phosphorus oxychloride → HCID 117770649, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 4-chloro-1-(2,6-difluorophenyl)-3-((hydroxyimino)methyl)pyridin-2(1H)-one obtained in Step D (800 mg) in acetonitrile (7.0 mL) was added phosphorus oxychloride (0.341 mL) at room temperature. The reaction mixture was heated at 100° C. for 1 hr, cooled to room temperature, and poured into ice water. The resulting solid was collected by filtration, and dried under reduced pressure to give the title compound (600 mg).

Provenance & Evidence