[Cl:1][C:2]1[N:3]=[C:4]2[C:10](=[CH:11][N:12]=1)[N:9]([CH3:13])[C:8](=[O:14])[CH2:7][CH2:6][N:5]2[CH2:15][C:16]#C.BrCC#[N:21].CN(C=O)C>>[Cl:1][C:2]1[N:3]=[C:4]2[C:10]([N:9]([CH3:13])[C:8](=[O:14])[CH2:7][CH2:6][N:5]2[CH2:15][C:16]#[N:21])=[CH:11][N:12]=1The title compound was prepared by an analogous method to the preparation of Intermediate 154, on a 0.31 mmol scale, utilising bromoacetonitrile (Aldrich; 33 μL, 0.47 mmol), as an amber gum containing 0.6 equivalents of DMF (97 mg, 100%).
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