tert-butyl 2-bromo-4-(1-methyl-1H-pyrazol-4-ylcarbamoyl)thiazol-5-ylcarbamate 、
3-[4-(叔丁氧基羰基)哌嗪-1-基]苯硼酸频那醇酯 以gave 274 as a pale brown solid (18 mg, 19% over two steps)的产率得到5-Amino-N-(1-Methyl-1H-Pyrazol-4-Yl)-2-(3-(Piperazin-1-yl)phenyl)thiazole-4-carboxamide