1,4-Dihydro-5-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-2-phenylpyridine-3-carboxylate 、
2-二甲氨基吡啶 、
甘氨酸叔丁酯 在
silica gel 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以whereby 508 mg (100%) of the captioned compound was obtained as an oily material的产率得到t-butyl 2-[N-(1,4-dihydro-5-methoxycarbonyl-6-methyl-4-(3-nitrophenyl)-2-phenylpyridine-3-carbonyl)amino]acetate