反应详情

By using 1-(2,2,4,6,7-pentamethyl-2,3-dihydro-1-benzofuran-5-yl)piperazine (311 mg, 1.0 mmol) synthesized in Reference example 61 and 1-bromo-4-(trifluoromethoxy)benzene (0.223 mL, 1.5 mmol), the reaction was carried out in the same manner as Example 1 to synthesize the title compound 221 mg (yield 51%). Melting point was 216 to 219° C. (hexane).