methyl 1-cyclohexyl-5-({[2-(ethyloxy)-2-oxoethyl]amino}carbonyl)-2,4-dihydroxy-6-oxo-1,6-dihydro-3-pyridinecarboxylate 、
环戊胺 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-5-[(cyclopentylamino)carbonyl]-4,6-dihydroxy-2-oxo-1,2-dihydro-3-pyridinyl}carbonyl)glycine (195 mg, 0.463 mmol, 61.1% yield) 1H NMR (400 MHz, DMSO-d6) δ ppm 12.98 (br. s., 1H), 9.82 (br. s., 2H), 4.84 (s, 1H), 4.21 (dt, J=13.39, 6.82 Hz, 1H), 4.08 (d, J=5.56 Hz, 2H), 2.17-2.46 (m, 2H), 1.87-2.07 (m, 2H), 1.79 (d, J=12.63 Hz, 2H), 1.43-1.74 (m, 9H), 1.30 (q, J=12.88 Hz, 2H), 1.14 (q, J=12.63 Hz, 1H)的产率得到N-({1-cyclohexyl-5-[(cyclopentylamino)carbonyl]-4,6-dihydroxy-2-oxo-1,2-dihydro-3-pyridinyl}carbonyl)glycine