申请人:MURAKAMI Takeshi
                            
                            
                                公开号:US20090072726A1
                            
                            
                                公开(公告)日:2009-03-19
                            
                            A process for preparing a platinum complex represented by the following formula (1) includes reacting a compound represented by the following formula (B-2) and a compound represented by the following formula (B-2′) with a compound represented by the following formula (A-0) to obtain a compound represented by the following formula (C-0); and reacting the compound represented by the formula (C-0) with a platinum salt: