Cl.[Br:2][C:3]1[C:8]2[N:9]([C:30]3[CH:35]=[CH:34][CH:33]=[CH:32][CH:31]=3)[C:10]([C@@H:12]([NH:14][C:15]3[N:23]=[CH:22][N:21]=[C:20]4[C:16]=3[N:17]=[CH:18][N:19]4C3CCCCO3)[CH3:13])=[N:11][C:7]=2[CH:6]=[CH:5][C:4]=1[F:36]>O1CCOCC1.CO>[Br:2][C:3]1[C:8]2[N:9]([C:30]3[CH:31]=[CH:32][CH:33]=[CH:34][CH:35]=3)[C:10]([C@@H:12]([NH:14][C:15]3[N:23]=[CH:22][N:21]=[C:20]4[C:16]=3[N:17]=[CH:18][NH:19]4)[CH3:13])=[N:11][C:7]=2[CH:6]=[CH:5][C:4]=1[F:36]4N HCl in dioxane (0.5 mL) was added to a solution of [(S)-1-(7-bromo-6-fluoro-1-phenyl-1H-benzoimidazol-2-yl)ethyl]-[9-(tetrahydropyran-2-yl)-9H-purin-6-yl]amine (128 mg, 0.24 mmol) in MeOH (3 mL) and the mixture stirred at RT for 30 min. The volatiles were removed in vacuo and the resulting residue purified by HPLC (Phenomenex Gemini 5 μm C18 on a 25 min gradient 10-90% 0.1% HCO2H in acetonitrile/water) to afford 178 (88 mg, 81%). LCMS (Method K): RT 3.82 min [M+H]+ 451.9/453.8. 1H NMR (DMSO-d6, 400 MHz): δ 8.19-7.86 (3H, m), 7.70 (1H, dd, J=8.75, 4.59 Hz), 7.64-7.33 (5H, m), 7.26 (1H, t, J=9.22 Hz), 5.22 (1H, s), 1.56 (3H, d, J=6.87 Hz)
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