4-(7-Methoxy-4-morpholin-4-ylmethyl-6-nitro-[1,8]naphthyridin-2-yl)-piperazine-1-carboxylic acid ethyl ester 在
palladium on activated charcoal
氢气 作用下,
以
溶剂黄146 为溶剂,
反应 3.0h,
以79%的产率得到4-(6-Amino-7-methoxy-4-morpholin-4-ylmethyl-[1,8]naphthyridin-2-yl)-piperazine-1-carboxylic acid ethyl ester