反应详情

A stirred solution of 1-(3-methanesulphonyl-phenyl)-propan-2-one (176b) (0.25 g, 1.18 mmol) in dioxane (10 ml) at 5° C. is treated with bromine (0.131 g, 0.82 mmol) added in two portions. The reaction is stirred and allowed to warm up to room temperature. The solvent is removed in vacuo to yield an orange oil of the titled compound.

1. additionadded in two portions
2. customThe solvent is removed in vacuo