Sodium hydride → 4-[1-(2,2-Dimethylpropionyloxymethyl)-7-(3-methylbut-2-enyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl]piperazine-1-carboxylic acid tert-butyl ester

Reaction equation

[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[N:22]([CH2:23][CH:24]=[C:25]([CH3:27])[CH3:26])[C:21]3[C:20](=[O:28])[N:19]([CH2:29][O:30][C:31](=[O:36])[C:32]([CH3:35])([CH3:34])[CH3:33])[C:18](=[O:37])[N:17](COC(=O)C(C)(C)C)[C:16]=3[N:15]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+]>O1CCCC1.CO.C(OCC)(=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][N:11]([C:14]2[N:22]([CH2:23][CH:24]=[C:25]([CH3:26])[CH3:27])[C:21]3[C:20](=[O:28])[N:19]([CH2:29][O:30][C:31](=[O:36])[C:32]([CH3:35])([CH3:34])[CH3:33])[C:18](=[O:37])[NH:17][C:16]=3[N:15]=2)[CH2:10][CH2:9]1)=[O:7])([CH3:2])([CH3:3])[CH3:4]