反应详情

Using ethyl 5-(2-trifluoromethylphenyl)-1H-pyrrole-3-carboxylate and 4-fluorobenzenesulfonyl chloride, a procedure as in Reference Example 4 was performed to synthesize ethyl 1-[(4-fluorophenyl)sulfonyl]-5-[2-(trifluoromethyl)phenyl]-1H-pyrrole-3-carboxylate, and procedures as in Reference Examples 5 and 6 were sequentially performed to give the title compound as crystals.