methyl 1-cyclohexyl-5-({[2-(ethyloxy)-2-oxoethyl]amino}carbonyl)-2,4-dihydroxy-6-oxo-1,6-dihydro-3-pyridinecarboxylate 、
异丙胺 在
乙醇 、
sodium hydroxide 、
乙酸乙酯 、
盐酸 、
溶剂黄146 作用下,
以
氯仿 为溶剂,
反应 0.5h,
以to give N-[(1-cyclohexyl-4,6-dihydroxy-5-{[(1-methylethyl)amino]carbonyl}-2-oxo-1,2-dihydro-3-pyridinyl)carbonyl]glycine (198 mg, 0.501 mmol, 66.2% yield) 1H NMR (400 MHz, DMSO-d6) δ ppm 12.99 (br. s., 1H), 9.62 (br. s., 2H), 4.84 (s, 1H), 3.86-4.27 (m, 3H), 2.34 (q, J=10.86 Hz, 2 H), 1.80 (d, J=12.63 Hz, 2H), 1.48-1.70 (m, 3H), 0.99-1.41 (m, 9H)的产率得到N-[(1-cyclohexyl-4,6-dihydroxy-5-{[(1-methylethyl)amino]carbonyl}-2-oxo-1,2-dihydro-3-pyridinyl)carbonyl]glycine