[Cl:1][C:2]1[N:10]=[C:9]2[C:5]([N:6]=[CH:7][N:8]2[CH:11]2[CH2:15][CH2:14][CH2:13][CH2:12]2)=[C:4](Cl)[N:3]=1.[CH2:17]([NH:19][C:20]1[CH:21]=[N:22][CH:23]=[CH:24][CH:25]=1)[CH3:18]>C(N(CC)CC)C>[Cl:1][C:2]1[N:10]=[C:9]2[C:5]([N:6]=[CH:7][N:8]2[CH:11]2[CH2:15][CH2:14][CH2:13][CH2:12]2)=[C:4]([N:19]([C:20]2[CH:21]=[N:22][CH:23]=[CH:24][CH:25]=2)[CH2:17][CH3:18])[N:3]=12-Chloro-6-[(3-pyridyl)-2-ethylamino]-9-cyclopentylpurine is prepared from 2,6-dichloro-9-cyclopentylpurine, 3-(ethylamino)pyridine, and triethylamine essentially as described above in Example 1, Scheme A, step b.
読み込み中…