4-chloro-7-isopropylquinazoline   、                                                                                      
tert-butyl (S)-4-(2-amino-4-(1-phenylethylcarbamoyl)phenylthio)-phenylcarbamate                                                                                                                                                              在
                                                                                                                                                                                 
氮   、                                                                                                  silica gel   、                                                                                                  
methanol-dichloromethane                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以to afford the title compound as an off-white solid (51 mg, 0.0805 mmol, 68%)的产率得到tert-butyl (S)-4-(2-(7-isopropylquinazolin-4-ylamino)-4-(1-phenylethylcarbamoyl)phenylthio)phenylcarbamate