反应详情

3-Benzyloxyisothiazole (3.0 g, 0.016 mol) and 5 ml of methyl fluorosulfonate were heated at 60° for 30 min. After cooling, the solid was washed with ether to yield 4.3 g (90%) of 3-benzyloxy-2-methylisothiazolium fluorosulfonate, mp 75°-78° C. (d).

1. temperatureAfter cooling
2. washthe solid was washed with ether