(6-Amino-4-{2-[(E)-hydroxyimino]-3-[(4-methoxy-phenyl)-methyl-amino]-1-methyl-propylamino}-5-nitro-pyridin-2-yl)-carbamic acid ethyl ester 在
镍 氢气 作用下,
以
乙醇 为溶剂,
反应 66.0h,
以31%的产率得到Ethyl 5-amino-1,2-dihydro-3-[[N-(4-methoxyphenyl)-N-methylamino]methyl]-2-methylpyrido[3,4-b]pyrazine-7-carbamate