3-nitroxypropyl 2-(2,3-dichlorobenzylidene)acetoacetate 、 2-nitroxypropyl amidinoacetate acetic acid salt 在
sodium methylate 作用下,
以
异丙醇 为溶剂,
以28%的产率得到3-O-(2-nitrooxypropyl) 5-O-(3-nitrooxypropyl) 2-amino-4-(2,3-dichlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate