5-bromo-2-(cyclopropylmethoxy)pyrimidine 、 N-((2S)-1-(1,3-benzoxazol-6-yloxy)propan-2-yl)acetamide 以in the same manner as in Step B of Example 22, the title compound was obtained的产率得到N-((2S)-1-((2-(2-(cyclopropylmethoxy)pyrimidin-5-yl)-1,3-benzoxazol-6-yl)oxy)propan-2-yl)acetamide