[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][C:11]([C:14]2[CH:35]=[CH:34][C:17]3[C:18]4[N:22]([CH2:23][CH2:24][O:25][C:16]=3[CH:15]=2)[CH:21]=[C:20]([C:26]2[N:27]([CH:31]([CH3:33])[CH3:32])[N:28]=[CH:29][N:30]=2)[N:19]=4)=[C:10]([C:36](O)=[O:37])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].CC[N:41]=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.CCN(C(C)C)C(C)C.[Cl-].[NH4+]>CN(C=O)C.O.C(OCC)(=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:9][C:10]([C:36](=[O:37])[NH2:41])=[C:11]([C:14]2[CH:35]=[CH:34][C:17]3[C:18]4[N:22]([CH2:23][CH2:24][O:25][C:16]=3[CH:15]=2)[CH:21]=[C:20]([C:26]2[N:27]([CH:31]([CH3:32])[CH3:33])[N:28]=[CH:29][N:30]=2)[N:19]=4)[CH2:12][CH2:13]1)=[O:7])([CH3:2])([CH3:3])[CH3:4]4-[2-(2-isopropyl-2H[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-5,6-dihydro-2H-pyridine-1,3-dicarboxylic acid 1-tert-butyl ester (0.921 g, 1.77 mmol) was stirred in DMF (7 mL). EDCI (0.407 g, 2.12 mmol), HOBt (0.286 g, 2.12 mmol) and DIPEA (1.55 mL, 8.85 mmol) were added and the reaction stirred at RT for 5 min. Ammonium chloride (0.284 g, 5.31 mmol) was added and the reaction mixture stirred at RT for 18 h. Ethyl acetate and water were added, the organic layer separated and washed with water, dried (MgSO4), filtered and concentrated in vacuo to give 5-Carbamoyl-4-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester (0.917 g, 1.76 mmol). LCMS RT=3.13 min, [M+H]+=520
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