公开(公告)号：US20230242481A1

公开(公告)日：2023-08-03

申请号：US18009877

申请日：2020-06-15

申请人： Zhejiang Tianyu Pharmaceutical Co., Ltd.

发明人： Zhen Wang ,  Chunlong Ke ,  Junfeng Liu ,  Peng Zhang ,  Qichao Li ,  Guorong Zhu ,  Yongjun Tu

IPC分类号： C07D207/12 ,  C07C237/10

CPC分类号： C07D207/12 ,  C07C237/10

摘要： Provided is a preparation method for brivaracetam. The method has a synthetic route as shown below. The preparation method for the brivaracetam is simple, economical, environmentally friendly and suitable for industrialization: