[CH:1]1([N:5]2[CH2:11][CH2:10][CH2:9][N:8]([C:12]([N:14]3[CH2:17][CH:16]([NH2:18])[CH2:15]3)=[O:13])[CH2:7][CH2:6]2)[CH2:4][CH2:3][CH2:2]1.[Cl:19][C:20]1[CH:28]=[CH:27][C:23]([C:24](Cl)=[O:25])=[CH:22][CH:21]=1.CCN(C(C)C)C(C)C>ClC(Cl)C.ClCCl>[Cl:19][C:20]1[CH:28]=[CH:27][C:23]([C:24]([NH:18][CH:16]2[CH2:15][N:14]([C:12]([N:8]3[CH2:9][CH2:10][CH2:11][N:5]([CH:1]4[CH2:4][CH2:3][CH2:2]4)[CH2:6][CH2:7]3)=[O:13])[CH2:17]2)=[O:25])=[CH:22][CH:21]=1To a solution of 1-[(4-cyclobutyl-1,4-diazepan-1-yl)carbonyl]azetidin-3-amine (46 mg, 0.18 mmol) in dichloroethane (3 ml) was added 4-chlorobenzoyl chloride (20 μl, 0.18 mmol) and DIPEA (38 μl, 0.22 mmol). The reaction was stirred at room temperature for 3 hours and then diluted with dichloromethane (30 ml) and washed twice with saturated NaHCO3 (15 ml), dried (MgSO4), filtered and concentrated at reduced pressure. The residue was purified by FCC (DCM/MeOH/NH3 with gradient, 98:2:1 to 90:10:1) to provide the title compound as white solid (26 mg, 37%).
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