反应详情

The target product was prepared from methyl 2-(1-methylcyclopropanecarbonyl)-5-oxo-1,2,3,4,5,10-hexahydrobenzo[b][1,7]naphthyridine-6-carboxylate and hydrazine hydrate according to the same procedure described as in Example 1 (step 4). 1H NMR (DMSO-d6) δ 11.8 (s, 1H), 10.6 (s, 1H), 7.62-7.64 (m, 1H), 7.47-7.49 (m, 1H), 7.24-7.26 (m, 1H), 4.41 (bs, 2H), 3.85 (bs, 2H), 2.42 (bs, 2H), 1.28 (s, 3H), 0.84 (bs, 2H), 0.60 (bs, 2H). MS (ESI) m/e [M+1]+323.