METHOD OF PREPARATION FOR LEDIPASVIR AND DERIVATIVE THEREOF, AND INTERMEDIATE COMPOUND FOR PREPARATION OF LEDIPASVIR
申请人:Shanghai Forefront Pharmaceutical Co., Ltd
公开号:US20180079744A1
公开(公告)日:2018-03-22
Methods of preparing Ledipasvir and derivatives thereof, and intermediate compounds used in the preparation of Ledipasvir are provided. Specifically, a method for preparing the compounds of formula 1 and a series of preparation methods of preparing Ledipasvir are provided. The methods described herein are simple and efficient, and have better application prospects.