Trifluoroacetic acid → HCID 11596767, compound
Reaction equation
[O:1]1[C:5]2[CH:6]=[CH:7][C:8]([CH2:10][C:11]3[NH:19][C:18]4[C:13](=[N:14][C:15]([F:21])=[N:16][C:17]=4[NH2:20])[N:12]=3)=[CH:9][C:4]=2[O:3][CH2:2]1.C1C(=O)N([I:29])C(=O)C1.C(O)(C(F)(F)F)=O>>[F:21][C:15]1[N:14]=[C:13]2[C:18]([NH:19][C:11]([CH2:10][C:8]3[C:7]([I:29])=[CH:6][C:5]4[O:1][CH2:2][O:3][C:4]=4[CH:9]=3)=[N:12]2)=[C:17]([NH2:20])[N:16]=1Participants
4
Procedure
A solution of 8-Benzo[1,3]dioxol-5-ylmethyl-2-fluoroadenine (50 mg, 0.17 mmol), NIS (94 mg, 0.4 mmol), TFA (20 mg, 13.4 L, 0.17 mmol) in CH2C12 (200 L) was stirred at room temperature overnight. After solvent removal, the desired product 18 (6 mg, 8.5%) was purified by silica gel column chromatography (CHC13:EtOAc at 9:1 to 4:6). 1H NMR (400 MHz, DMSO-d6) 7.6 (bs, 2H), 7.38 (s, 1H), 6.95 (s, 1H), 6.03 (s, 2H), 4.12 (s, 2H); MS m/z 414.1 (M+H)+.