Short-RInChIKey=SA-FUHFF-UHFFFADPSC-FCEQOJYQPI-UHFFFADPSC-NUHFF-MUHFF-NUHFF-ZZZ

Triphenylphosphine (308 mg, 1.18 mmol, 5.00 equiv) was dissolved in dry DCM (5.0 mL) at 21 °C. Then 2-(bromomethyl)-6,7-bis(4-fluorophenyl)-3-methylquinoxaline (100 mg, 235 μmol, 1.00 equiv) dissolved in dry DCM (1.00 mL) was added drop-wise at 21 °C and the mixture was stirred under argon for 12 h.