Process for the synthesis of intermediates useful for the synthesis of tubulin inhibitors
申请人:Wyeth Holdings Corporation
公开号:US20040063904A1
公开(公告)日:2004-04-01
The invention is a process for the preparation of compounds of the Formula I:
1
where R
1
, R
2
, R
3
, R
4
and R
5
are defined in the specification, which are intermediates useful for the preparation of tubulin inhibitors which are useful in the treatment of cancer.
这项发明是一种用于制备式I化合物的方法:
1
其中R
1
,R
2
,R
3
,R
4
和R
5
在规范中有定义,这些中间体对于制备对抗癌症治疗中有用的微管蛋白抑制剂是有用的。