Processes for preparing compounds of formula I are disclosed comprising the steps of:
(a) forming of chiral propionic acid ester compounds of formula V.
(b) reacting compounds of formula V with aniline compounds to yield compounds of formula I
公开了制备式I化合物的过程,包括以下步骤:(a)形成式V手性
丙酸酯化合物。(b)将式V化合物与
苯胺化合物反应,得到式I化合物。