Potassium Carbonate → HCID 178515104, compound

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Reaction Steps

Prepared according to Procedure C using Intermediate 2o (216 mg, 0.617 mmol), 6-mercaptopurine monohydrate (116 mg, 0.681 mmol), K2CO3 (94 mg, 0.680 mmol), and DMF (4 mL). The crude product was recrystallized from EtOH to provide 212 mg of a yellow crystalline solid (74%), mp 218.0-218.3° C. (decomposes). 1H NMR (DMSO-d6) δ: 13.56 (br s, 1H); 8.49 (s, 1H); 8.42 (s, 1H); 8.38-8.45 (m, 2H); 8.31 (d, J=8.4 Hz, 1H); 7.81 (d, J=6.5 Hz, 1H); 7.68 (d, J=6.7 Hz, 1H); 7.43-7.58 (m, 2H); 4.53 (s, 2H). 13C NMR (DMSO-d6) ppm: 157.7, 154.4, 153.3, 149.8, 149.3, 147.6, 145.2, 141.4, 131.5, 129.8, 129.7, 129.2, 128.4, 127.1, 126.7, 122.7, 120.3, 119.4, 29.9. MS (ES): m/z 466.0 (M+). Anal. calcd. for C20H12ClN7O3S.0.4C2H6O.0.5KCl: C, 51.19; H, 2.97; Cl, 7.63; N, 20.09; S, 6.57. Found: C, 51.27; H, 2.88; Cl, 7.40; N, 20.04; S, 6.52.

Provenance & Evidence