Three 1-hydroxy-3-phenylsulphonylpiperidine-2-thione derivatives have been prepared from methylphenylsulphone in five steps. The key step was the preparation of a dithioester which was achieved in a very high yield using nBuLi, CS2, and MeI.
从甲基苯基砜以五个步骤制备了三种1-羟基-3-苯基磺酰基
哌啶-2-硫酮衍
生物。关键步骤是使用nBuLi,CS 2和MeI以非常高的收率制备二
硫酯。