Short-RInChIKey=SA-FUHFF-UHFFFADPSC-UMLFTCYAQP-UHFFFADPSC-NUHFF-NUHFF-NUHFF-ZZZ

To a stirred solution of p-tolunitrile (10.0 g, 85 mmol, 1.00 equiv) in 100 mL of CHCl3 was added NBS (15.6 g, 88 mmol, 1.03 equiv) and benzoyl peroxide (2.07 g, 8.5 mmol, 0.100 equiv). The mixture was stirred at 60 °C over night. The mixture was filtered hot and the solvent was evaporated under reduced pressure.