[N:1]1([CH2:7][C:8]#[C:9][C:10](=O)[CH3:11])[CH2:6][CH2:5][O:4][CH2:3][CH2:2]1.Br.[CH2:14]([S:20][C:21](=[NH:23])[NH2:22])[CH2:15][CH2:16][CH2:17][CH2:18][CH3:19].C(N(CC)C(C)C)(C)C>CN(C=O)C>[CH2:14]([S:20][C:21]1[N:23]=[C:8]([CH2:7][N:1]2[CH2:6][CH2:5][O:4][CH2:3][CH2:2]2)[CH:9]=[C:10]([CH3:11])[N:22]=1)[CH2:15][CH2:16][CH2:17][CH2:18][CH3:19]5-Morpholin-4-yl-pent-3-yn-2-one (1 g, 6 mmol) and 2-hexyl-isothiourea hydrobromide (1.06 g, 7 mmol) were dissolved under nitrogen in DMF (10 mL), then N,N-diisopropyl ethylamine (4.1 mL, 24 mmol) was added and stirring at the room temperature continued for 18 hours.
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