Starting from 4-methoxycarbonylpyrrolidin-2-one (1) the racemic thiolactim ethers (7a-h) can be obtained via S-alkylation of the thiolactam alcohol (3), subsequent oxidation, Horner-Emmons-Wittig reaction and reduction of the enones.
从4-甲氧基羰基
吡咯烷-2-酮(1)开始,外消旋的
硫代内酰胺醚(7a-h)可以通过
硫代内酰胺醇(3)的S-烷基化,随后的氧化,霍纳-埃蒙斯-维蒂希反应和烯酮的还原而获得。 。