Processes and intermediates for preparing anti-cancer compounds
申请人:Pfizer Inc.
公开号:US06476040B1
公开(公告)日:2002-11-05
The present invention relates to methods and intermediates for preparing compounds of the formula 1
and the pharmaceutically acceptable salts and solvates thereof, as well as structurally related compounds, wherein R1, R2 and R15 are as defined herein. The foregoing compounds are useful in the treatment of hyperproliferative disorders, such as cancers, in mammals.