申请人:Synta Pharmaceuticals Corp.
                            
                            
                                公开号:US20040152897A1
                            
                            
                                公开(公告)日:2004-08-05
                            
                            Disclosed are methods of preparing substituted indolizines represented by the following formula:
1
comprising reacting a substrate represented by the following formula:
2
with either the cyclization reagent of the following formula:
3
or, a reagent prepared by reacting the compound represented the formula below with an alkylating agent:
4
The variables in the above formulas are defined herein.