tert-butyl 7-(4-(methoxycarbonyl)bicyclo[2.2.2]oct-1-yl)-5-oxa-2,6-diazaspiro[3.4]oct-6-ene-2-carboxylate 、
4-(bromomethyl)-2-cyclopropyl-6-ethoxy-4'-fluorobiphenyl 以the title compound was obtained in the similar manner as hi Step L of Example 228的产率得到methyl 4-(2-((2-cyclopropyl-6-ethoxy-4'-fluorobiphenyl-4-yl)methyl)-5-oxa-2,6-diazaspiro[3.4]oct-6-en-7-yl)bicyclo[2.2.2]octane-1-carboxylate