t-butyl 2-(2-(3-cyanophenyl)-4-((4-fluoro-N-methylphenylsulfonamido)methyl)phenoxy)acetate 以
三氟乙酸 、
二氯甲烷 为溶剂,
反应 1.0h,
以to yield 303 mg (43.6%) of 2-(2-(3-cyanophenyl)-4-((4-fluoro-N-methylphenylsulfonamido)methyl)phenoxy)acetic acid (Example 5) as a white solid的产率得到2-(2-(3-cyanophenyl)-4-((4-fluoro-N-methylphenylsulfonamido)methyl)phenoxy)acetic acid