methyl 5-({[2-(ethyloxy)-2-oxoethyl]amino}carbonyl)-2,4-dihydroxy-6-oxo-1-{[2-(trifluoromethyl)phenyl]methyl}-1,6-dihydro-3-pyridinecarboxylate 、
环己胺 在
盐酸 、
乙醇 、
sodium hydroxide 、
乙酸乙酯 作用下,
以
氯仿 为溶剂,
反应 16.5h,
以to give the title compound (251 mg, 77%) 1H NMR (400 MHz, DMSO-d6) δ ppm 9.84 (s, 1H), 9.57 (s, 1H), 7.77 (d, J=7.58 Hz, 1H), 7.58 (dd, J=7.58 Hz, 1H), 7.47 (dd, J=7.71 Hz, 1H), 7.01 (d, J=7.83 Hz, 1H), 5.28 (s, 2H), 4.10 (d, J=5.56 Hz, 2H), 3.75-3.89 (m, J=7.07 Hz, 1H), 1.78-1.92 (m, 2H), 1.61-1.73 (m, 2H), 1.50-1.60 (m, J=12.63 Hz, 1H), 1.28-1.47 (m, 4H), 1.14-1.27 (m, 1H)的产率得到N-[(5-[(cyclohexylamino)carbonyl]-4,6-dihydroxy-2-oxo-1-{[2-(trifluoromethyl)phenyl]methyl}-1,2-dihydro-3-pyridinyl)carbonyl]glycine