3-氨基吡啶 、
methyl 1-cyclohexyl-5-({[2-(ethyloxy)-2-oxoethyl]amino}carbonyl)-2,4-dihydroxy-6-oxo-1,6-dihydro-3-pyridinecarboxylate 在
乙醇 、
sodium hydroxide 、
水 、
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-2-oxo-5-[(3-pyridinylamino)carbonyl]-1,2-dihydro-3-pyridinyl}carbonyl)glycine (260 mg, 0.604 mmol, 80% yield) 1H NMR (400 MHz, DMSO-d6) δ ppm 12.41 (s, 1H), 9.76 (s, 1H), 9.17 (s, 1 H), 8.57 (d, J=5.05 Hz, 1H), 8.49 (d, J=8.59 Hz, 1H), 7.86 (dd, J=8.59, 5.31 Hz, 1H), 4.74-5.25 (m, 1H), 4.09 (d, J=4.04 Hz, 2H), 2.41 (q, J=11.03 Hz, 2H), 1.82 (d, J=12.13 Hz, 2H), 1.48-1.74 (m, 3H), 1.31 (q, J=12.55 Hz, 2H), 1.03-1.24 (m, 1H)的产率得到N-({1-cyclohexyl-4,6-dihydroxy-2-oxo-5-[(3-pyridinylamino)carbonyl]-1,2-dihydro-3-pyridinyl}carbonyl)glycine