反应详情

Example 18 was prepared from methyl 2-benzyl-5-oxo-1,2,3,4,5,10-hexahydrobenzo[b][1,7]naphthyridine-6-carboxylate and hydrazine hydrate according to the same procedures described as those in Example 15. 1H NMR (DMSO-d6) δ 8.37 (s, 1H), 7.21-7.56 (m, 8H), 3.81 (s, 2H), 3.39 (s, 2H), 2.91 (t, 2H, J=8.4 Hz), and 2.25 (t, 2H, J=8.4 Hz). MS (ESI) m/e [M+1]+ 331.0.