The present invention relates to a process for the preparation of optically pure (S,S)-6-t-butoxycarbonyl-hexahydro-1-pyridazinylcarbonyl-1,3-dioxo-2-isoindolebutyric acid, an intermediate for the preparation of cilazapril.
本发明涉及一种制备光学纯(S,S)-6-t-叔丁氧羰基-六氢-1-
吡啶基羰基-1,3-二氧杂-2-异
吲哚丁酸的方法,该中间体用于制备西拉贝普利。