The present invention refers to processes for preparing a dihydropyrimidine compound having Formula (I), or a tautomer thereof having Formula (la), as well as a intermediate thereof. The process of the invention has simple operation, high optical purity of product, high yield and convenient work-up, which is suitable for industrial production.
本发明涉及制备具有式(I)的二氢
嘧啶化合物或具有式(la)的其互变异构体,以及其中间体的过程。本发明的工艺具有操作简单、产品光学纯度高、收率高且方便的工作提取,适用于工业生产。