FC(F)(F)C(O)=O.[CH3:8][CH:9]([O:11][C:12]1[NH:13][C:14]([NH2:23])=[C:15]2[C:19]([N:20]=1)=[N:18][C:17]([O:21][CH3:22])=[N:16]2)[CH3:10].Br[CH2:25][CH2:26][CH2:27][CH2:28][CH2:29][Cl:30]>>[Cl:30][CH2:29][CH2:28][CH2:27][CH2:26][CH2:25][N:18]1[C:17]([O:21][CH3:22])=[N:16][C:15]2[C:19]1=[N:20][C:12]([O:11][CH:9]([CH3:8])[CH3:10])=[N:13][C:14]=2[NH2:23]Prepared similarly to Intermediate 44 from 2-[(1-methylethyl)oxy]-8-(methyloxy)-1H-purin-6-amine trifluoroacetate and 1-bromo-5-chloropentane.
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