申请人:Eisai R&D Management Co., Ltd.
公开号:EP2261218A2
公开(公告)日:2010-12-15
The present invention relates to a process for preparing a compound of formula (6a):
which comprises the step of:
subjecting a compound of formula (5a):
and a compound of formula (4a):
to a coupling reaction,
本发明涉及一种制备式(6a)化合物的工艺:
其中包括以下步骤
将式(5a)化合物
和式 (4a) 的化合物:
进行偶联反应、