[2-amino-4-(2-fluoro-phenylethynyl)-phenyl]-carbamic acid tert-butyl ester 、
6-(3-imidazol-1-yl-phenyl)-2,2-dimethyl-[1,3]dioxin-4-one 以Obtained as a yellow-brown foam (211 mg)的产率得到{4-(2-fluoro-phenylethynyl)-2-[3-(3-imidazol-1-yl-phenyl)-3-oxo-propionylamino]-phenyl}-carbamic acid tert-butyl ester