The present invention provides a process for preparing benzyl-2-(4-(4- fluorobenzylcarbamoyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)propan-2- ylcarbamate (RLT-8), a process for preparing Raltegravir via RLT-8, a process for preparing methyl 2-(2-(benzyloxycarbonylamino)propan-2-yl)-5 -hydroxy-1-methyl-6- oxo-1,6-dihydropyrimidine-4-carboxylate (RLT-7'), a process for preparing Raltegravir via RLT-7', and a process for preparing crystalline form V of Raltegravir potassium.
本发明提供了一种制备苄基-2-(4-(4-
氟苄基
氨甲酰)-5-羟基-1-甲基-6-氧代-1,6-二氢
嘧啶-2-基)丙-2-基
氨甲酸苄酯(RLT-8)的方法,一种通过RLT-8制备Raltegravir的方法,一种制备甲基-2-(2-(苄氧羰基
氨基)丙-2-基)-5-羟基-1-甲基-6-氧代-1,6-二氢
嘧啶-4-
羧酸甲酯(RLT-7')的方法,一种通过RLT-7'制备Raltegravir的方法,以及一种制备Raltegravir
钾的V型晶体形式的方法。