Sodium Bicarbonate → HCID 86695532, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 2,2-Difluoro-1-{(4S,5R)-4-fluoromethyl-2,2-dimethyl-5-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-oxazolidin-3-yl}-ethanone (200 mg, 0.48 mmol) in a mixture of toluene (3 ml) and ethanol (2 ml) is added tert-butyl 2-(5-bromopyridin-2-yl)-1-hydroxypropan-2-ylcarbamate (160 mg, 0.48 mmol), aqueous sodium bicarbonate solution (2M, 2 mmol, 1 ml), and [1,1′Bis(diphenylphosphino)ferrocene]dichloropalladium (II) (18 mg, 0.024 mmol). The stirred reaction mixture is heated at 80° C. under a blanket of nitrogen for 1 hour. The reaction is concentrated to dryness and partitioned between methylene chloride (25 ml) and water (25 ml). The organic phase is washed with saturated brine (25 ml) and concentrated on to silica gel (1 g). Purification by column chromatography (12 g silica gel, ethyl acetate/heptane 0-100%, 16 cvs) affords the title compound (62 mg): m/z M+H 538.2. Retention time 2.75 min.

Provenance & Evidence