N-[3,5-dibromo-4-[4-hydroxy-5-isopropyl-3-methylphenoxy]-2-trifluoromethyl-phenyl]-malonamic acid ethyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 1.0h,
以42%的产率得到N-[3,5-dibromo-4-[4-hydroxy-5-isopropyl-3-methyl-phenoxy]-2-trifluoromethylphenyl]-malonamic acid