methyl 1-[(2,4-dimethylphenyl)methyl]-5-({[2-(ethyloxy)-2-oxoethyl]amino}carbonyl)-2,4-dihydroxy-6-oxo-1,6-dihydro-3-pyridinecarboxylate 、
环己胺 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-({5-[(cyclohexylamino)carbonyl]-1-[(2,4-dimethylphenyl)methyl]-4,6-dihydroxy-2-oxo-1,2-dihydro-3-pyridinyl}carbonyl)glycine (210 mg, 0.445 mmol, 64.2% yield) 1H NMR (400 MHz, DMSO-d6) δ ppm 13.04 (br. s., 1H), 9.81 (br. s., 1H), 9.58 (br. s., 1H), 7.00 (s, 1H), 6.89 (d, J=8.08 Hz, 1H), 6.62 (d, J=7.83 Hz, 1H), 5.02 (s, 2 H), 4.10 (d, J=5.56 Hz, 2H), 3.63-3.90 (m, J=5.56 Hz, 1H), 2.32 (s, 3H), 2.22 (s, 3H), 1.76-1.90 (m, 2H), 1.60-1.74 (m, 2H), 1.55 (d, J=11.87 Hz, 1H), 1.29-1.45 (m, 4H), 1.10-1.29 (m, 1H)的产率得到N-[{5-[(cyclohexylamino)carbonyl]-1-[(2,4-dimethylphenyl)methyl]-4,6-dihydroxy-2-oxo-1,2-dihydro-3-pyridinyl}carbonyl]glycine