Triphenylphosphine → HCID 136166843, compound

Participants

Reaction Steps

To a stirred solution of (E)-3-(4-bromo-phenyl)-3-phenyl-1-pyridin-4-yl-propan-1-one oxime (example 5, 10 mg) and pyrimidine-5-boronic acid (49 mg) in a mixture of DMA/H2O (2.1 mL, 20:1) tetrakis(triphenylphosphine)palladium (0) (36 mg), triphenylphosphine (17 mg) and potassium fluoride (31 mg) were added. The mixture was irradiated in the microwave at 140° C. for 15 min. A saturated aqueous solution of NH4Cl was added, the phases were separated and the inorganic one was extracted with EtOAc (2×). The combined organic layers were washed with brine, dried over Na2SO4, filtered and concentrated in vacuo. The crude product was purified by flash chromatography on an ISOLUTE Flash NH2 cartridge (EtOAc) to yield the title compound (45 mg, 45%) as a white foam, MS (ESI+): m/z=381.1 ([M+H]+).

Provenance & Evidence