(R)-N-[{1-(2-phenylethyl)-2-pyrrolidinyl} methyl]-4-methyl-6-nitro-3,4-dihydro-2H-1,4-benzoxazine-8-carboxamide 在
palladium-carbon 草酸 作用下,
以
甲醇 为溶剂,
生成 (R)-N-[{1-(2-phenylethyl)-2-pyrrolidinyl}methyl]-6-amino-4-methyl-3,4-dihydro-2H-1,4-benzoxazine-8-carboxamide dioxalate