申请人:Apotex Inc.
公开号:US10556887B2
公开(公告)日:2020-02-11
The present invention provides processes for the preparation of Veliparib (1), as well as intermediates useful in the preparation thereof. In particular, processes are provided for the production of the compound of Formula (3), or a salt thereof, and cyclization to afford Veliparib (1).
本发明提供了制备 Veliparib (1) 的工艺以及用于制备 Veliparib (1) 的中间体。特别是,本发明提供了生产式(3)化合物或其盐类以及环化制备 Veliparib (1) 的工艺。