3-bromo-N-tert-butyl-4-methoxybenzenesulfonamide 、 Methyl 3-formyl-4-(2-methoxyethoxy-methoxy)-5-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)-benzoate 以gave methyl 6-benzyloxy-5′-tert-butylsulfamoyl-5-formyl-2′-methoxy-biphenyl-3-carboxylate的产率得到methyl 6-benzyloxy-5'-tert-butylsulfamoyl-5-formyl-2'-methoxy-biphenyl-3-carboxylate