反应详情

Under nitrogen atmosphere, a dimethyl sulfoxide (2 ml) solution (3S)-3-(dimethylamino)pyrrolidine (75 μl, 594 μmol) was added at 150° C. to a dimethyl sulfoxide (8 ml) solution of 4-cyano-7-fluoro-N,N,5-trimethyl-6-phenyl-1,3-benzoxazole-2-carboxamide (I-114) (160 mg, 495 μmol) and triethylamine (90 μl, 644 μmol), followed by stirring at the same temperature for 50 minutes.