[C:1]1([C@@H:7]([NH:9][C:10]2[N:15]=[C:14]([N:16]3[C:20]4[CH:21]=[CH:22][C:23]([NH2:25])=[CH:24][C:19]=4[N:18]=[CH:17]3)[CH:13]=[CH:12][N:11]=2)[CH3:8])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[H][H]>CO.[Pd]>[C:1]1([C@@H:7]([NH:9][C:10]2[N:15]=[C:14]([N:16]3[C:20]4[CH:21]=[CH:22][C:23]([NH:25][C:12]5[CH:13]=[CH:14][N:15]=[CH:10][N:11]=5)=[CH:24][C:19]=4[N:18]=[CH:17]3)[CH:13]=[CH:12][N:11]=2)[CH3:8])[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=12-[(S)-1-phenylethylamino]-4-[5-aminobenzimidazol-1-yl]pyrimidine (14.0 mg) was dissolved in 2 mL MeOH, 10%Pd/C (20.3 mg) added, the system fitted with a balloon of hydrogen, purging the system twice and leaving the reaction stirring at room temperature for 23 h. The mixture was then filtered through Celite®, washing thoroughly with methanol, and the solvent removed in vacuo. The residue was purified on silica gel (2-5%(2M NH3 in MeOH)/CH2Cl2) to yield 5.5 mg of the title compound. Mass spectrum (ESI) 409.4 (M+1).
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