6-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridazine-3-carboxylic acid 、
2-氨基-2-甲基-1-丙醇 以to the title compound (SiO2, heptane:ethyl acetate=95:5 to 50:50, 202 mg, 82%) which was obtained as a white foam的产率得到6-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridazine-3-carboxylic acid (2-hydroxy-1,1-dimethyl-ethyl)-amide