methyl 1-(cyclohexylmethyl)-5-({[2-(ethyloxy)-2-oxoethyl]amino}carbonyl)-2.4-dihydroxy-6-oxo-1,6-dihydro-3-pyridinecarboxylate 、
正丁胺 在
乙醇 、
sodium hydroxide 、
盐酸 、
水 、
溶剂黄146 作用下,
以
氯仿 为溶剂,
反应 0.5h,
以to give N-{[5-[(butylamino)carbonyl]-1-(cyclohexylmethyl)-4,6-dihydroxy-2-oxo-1,2-dihydro-3-pyridinyl]carbonyl}glycine (206 mg, 0.486 mmol, 66.6% yield) 1H NMR (400 MHz, DMSO-d6) δ ppm 12.66 (br. s., 1H), 9.59 (br. s., 2H), 4.08 (d, J=5.56 Hz, 2H), 3.76 (d, J=7.33 Hz, 2H), 3.36 (dt, J=6.82 Hz, 2H), 1.61-1.81 (m, 3H), 1.41-1.62 (m, 5H), 1.32 (dq, J=14.97, 7.39 Hz, 2H), 1.06-1.21 (m, 3H), 0.94-1.05 (m, 2H), 0.90 (t, J=7.33 Hz, 3H)的产率得到N-{[5-[(butylamino)carbonyl]-1-(cyclohexylmethyl)-4,6-dihydroxy-2-oxo-1,2-dihydro-3-pyridinyl]carbonyl}glycine