6-bromo-2-(5-methyl-3-phenyl-isoxazol-4-yl)-imidazo[1,2-a]pyridine 、
2-(5-methyl-3-phenyl-isoxazol-4-yl)-6-trimethylsilanylethynyl-imidazo[1,2-a]pyridine 以to the title compound (19 mg, 69%) which was obtained as a light yellow foam的产率得到6-ethynyl-2-(5-methyl-3-phenyl-isoxazol-4-yl)-imidazo[1,2-a]pyridine