Carbamimidoyl-acetic acid 1-benzyl-pyrrolidin-3-yl ester; compound with acetic acid 、
n-hexyl 2-(3-nitrobenzylidene)acetoacetate 在
sodium methylate 作用下,
以
异丙醇 为溶剂,
生成 2-Amino-6-methyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-(1-benzyl-pyrrolidin-3-yl) ester 5-hexyl ester