反应详情

Prepared according to Procedure C using Intermediate 2a (200 mg, 0.546 mmol), 6-mercapto-purine monohydrate (102 mg, 0.601 mmol), K2CO3 (83 mg, 0.601 mmol), and DMF (5 mL). The crude product was recrystallized from EtOH to provide 172 mg of an off-white solid (65%), mp 160-180° C. (gradually decomposes). 1H NMR (DMSO-d6) δ: 13.55 (br s, 1H); 8.49 (s, 1H); 8.44 (s, 1H); 7.72 (d, J=6.9 Hz, 1H); 7.66 (d, J=6.9 Hz, 1H) 7.38-7.54 (m, 3H); 7.22 (s, 1H); 4.36-4.52 (m, 2H); 3.94 (s, 3H); 3.89 (s, 3H). 13C NMR (DMSO-d6) ppm: 160.1, 155.4, 151.5, 151.1, 149.4, 143.2, 134.6, 132.3, 131.6, 131.5, 130.4, 128.7, 113.6, 108.4, 105.8, 56.5, 56.1, 32.0. MS (ES): m/z 481.1 (M+). Anal. calcd. for C22H17ClN6O3S.0.5C2H6O.0.05KCl: C, 54.41; H, 3.97; Cl, 7.33; N, 16.55; S, 6.32. Found: C, 54.43; H, 3.94; Cl, 7.69; N, 16.69; S, 6.52.

1. customPrepared
2. customThe crude product was recrystallized from EtOH