反应详情

温度

150 °C

2-(N-tert-butyl-N-methylamino)-7-fluoro-5-methyl-6-phenyl-1,3-benzoxazole-4-carbonitrile (I-137) (0.22 g, 0.65 mmol) was suspended in dimethyl sulfoxide (5 ml), then triethylamine (0.19 ml, 1.37 mmol) and (3S)-3-(dimethylamino)pyrrolidine (0.17 ml, 1.34 mmol) were added, followed by stirring in a sealed tube at an external temperature of about 150° C. for 4 hours.