反应详情

1.2 g (0.0054 mol) of the compound 2d) from the previous step, 20 ml of dichloromethane, 0.75 ml (0.0054 mol) of triethylamine and, at 0-5° C., 0.42 ml (0.0054 mol) of methanesulfonyl chloride are placed in a round-bottom flask.