N-{4-[(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)amino]phenyl}-3-[(4-chloro-benzoyl)amino]isonicotinamide   、                                                                                      
溴化氰   、                                                                                      
碳酸氢钠                                                                                                                                                              在
                                                                                                                                                                                 silica gel                                                                                                                                  作用下,
                                                                                                                                                                                                                            以The title compound is isolated by flash chromatography on silica gel (mobile phase: dichloromethane/methanol 100:1→100:2)的产率得到N-{4-[(2-{[tert-butyl(dimethyl)silyl]oxy}ethyl)(cyano)amino]phenyl}-3-[(4-chlorobenzoyl)amino]isonicotinamide