1-(2-Methylsulfanyl-phenyl)-piperidin-4-one 、 dimethyl 4-(3-(3-(2-aminoethyl)-2-cyanoguanidino)phenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate 在
sodium cyanoborohydride 、 zinc(II) chloride 作用下,
以
甲醇 为溶剂,
反应 0.33h,
以86%的产率得到dimethyl 4-[3-[[N-cyano-N'-[2-[[1-(2-methylsulfanylphenyl)piperidin-4-yl]amino]ethyl]carbamimidoyl]amino]phenyl]-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate