Potassium Phosphate, Tribasic → HCID 67960629, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 2-iodo-4-[(5-nitro-2-pyridinyl)oxy]benzonitrile (Reference Intermediate R16, 5.0 g) in DMF (50 mL) were added K3PO4 (5.77 g, 27.24 mmol), Pd(tBu3)2 (696 mg, 1.36 mmol) and 4,4,5,5-tetramethyl-2-(1-methylethenyl)-1,3,2-dioxaborolane (3.84 mL, 20.43 mmol) and the reaction mixture was stirred for 4 hours at 110° C. After cooling the reaction was diluted with water (100 mL) and extracted with ethyl acetate (3×100 mL). The organic layer was washed with ice cold brine (3×50 mL), dried (Na2SO4), filtered and evaporated and the residue was purified by flash chromatography on silica gel (SNAP 100 g) eluting from 100:0 to 80:20 cyclohexane/ethyl acetate to afford the title compound (1.8 g) as white solid.

Provenance & Evidence