[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[NH:7][CH2:6][CH2:5]2.Br[C:14]1[CH:15]=[N:16][CH:17]=[C:18]([CH:21]=1)[C:19]#[N:20].[C@H]1(N)CCCC[C@@H]1N.C([O-])([O-])=O.[Cs+].[Cs+]>O1CCOCC1.[Cu]I.O>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[N:7]([C:14]1[CH:15]=[N:16][CH:17]=[C:18]([CH:21]=1)[C:19]#[N:20])[CH2:6][CH2:5]26-Chloro-3,4-dihydro-2H-isoquinolin-1-one (intermediate A-2) (36 mg, 0.2 mmol), 5-bromo-nicotinonitrile (73 mg, 0.4 mmol), CuI (3.8 mg, 0.02 mmol), (1S,2S)-cyclohexane-1,2-diamine (4.5 mg, 0.04 mmol) and Cs2CO3 (130 mg, 0.4 mmol) were dissolved in dioxane (5 mL). The reaction mixture was subjected to microwave reaction at 150° C. for 2.5 hours before it was poured into H2O (50 mL) and extracted with EtOAc (2×25 mL). The organic layer was washed with brine, dried over anhy. Na2SO4, filtered and concentrated in vacuo to give a crude product which was purified by prep-HPLC to yield the title compound (15 mg, 26%) as a white solid. MS: 284.1 (M+H+).
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