Cl[C:2]1[N:7]=[CH:6][N:5]=[C:4]([NH:8][C:9]2[CH:14]=[CH:13][CH:12]=[C:11]([CH2:15][S:16]([CH3:19])(=[O:18])=[O:17])[CH:10]=2)[N:3]=1.[CH3:20][O:21][C:22]1[CH:23]=[N:24][CH:25]=[CH:26][C:27]=1B(O)O>>[CH3:20][O:21][C:22]1[CH:23]=[N:24][CH:25]=[CH:26][C:27]=1[C:2]1[N:7]=[CH:6][N:5]=[C:4]([NH:8][C:9]2[CH:14]=[CH:13][CH:12]=[C:11]([CH2:15][S:16]([CH3:19])(=[O:18])=[O:17])[CH:10]=2)[N:3]=1Example 8 was prepared under similar conditions as described in the preparation of Example 1 using crude 4-chloro-N-{3-[(methylsulfonyl)methyl]phenyl}-1,3,5-triazin-2-amine and (3-methoxypyridin-4-yl)boronic acid (Combi-Blocks Inc.). The batch was purified by preparative HPLC:
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