Disclosed is a process for preparing an intermediate of anti-tumor drug niraparib and an intermediate thereof. The present invention discloses a process for preparing compound (f), which comprises conducting a cyclization reaction of compound (e) in a solvent and in the presence of a base to give compound (f). The process of the present invention does not involve the steps of catalytic reduction or catalytic coupling reaction of precious metals and chiral separation, which has advantages such as low equipment requirements, simple operation, favorable industrial production, avoiding waste liquid containing heavy metals and phosphorus, low cost and high product ee value.
本发明公开了一种制备
抗肿瘤药物
尼拉帕尼布的中间体及其中间体的方法。本发明公开了一种制备化合物(f)的方法,其包括在溶剂和碱的存在下对化合物(e)进行环化反应,从而得到化合物(f)。本发明的方法不涉及贵
金属的催化还原或催化偶联反应和手性分离步骤,具有低设备要求、操作简单、有利于工业生产、避免含重
金属和
磷的废液、成本低、产品ee值高等优点。