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.