4-[4-bromo-2-nitro-6-(2-trifluoromethyl-phenoxymethyl)-phenyl]-piperazine-1-carboxylic acid tert-butyl ester 、 、
硼氢化钠 在
ethyl acetate hexanes 作用下,
以
methanol-dichloromethane 为溶剂,
反应 1.0h,
以to give 4-[2-amino-4-bromo-6-(2-trifluoromethyl-phenoxymethyl)-phenyl]-piperazine-1-carboxylic acid tert-butyl ester as a white foam, 0.22 g, 0.41 mmol, 86% yield的产率得到4-[2-amino-4-bromo-6-(2-trifluoromethyl-phenoxymethyl)-phenyl]-piperazine-1-carboxylic acid tert-butyl ester