反应详情

50 g (0.2 mol) of 3-bromobenzyl bromide and 33.2 g (0.2 mol) of triethyl phosphite were heated at 140° C. for 2 hours, during which ethyl bromide was distilled off. The product was distilled over a 30 cm Vigreux column.

1. distillationwas distilled off
2. distillationThe product was distilled over a 30 cm Vigreux column