Potassium Carbonate → HCID 178515090, compound

Participants

Reaction Steps

Prepared according to Procedure C using Intermediate 2c (200 mg, 0.619 mmol), 6-mercaptopurine monohydrate (116 mg, 0.681 mmol), K2CO3 (95 mg, 0.687 mmol), and DMF (4 mL). The crude product was recrystallized from EtOH to provide 143 mg of a white crystalline solid (53%), mp 151.4-154.2° C. (discolors). 1H NMR (DMSO-d6) δ: 13.55 (br s, 1H); 8.48 (s, 1H); 8.44 (s, 1H); 8.23 (dd, J=6.3, 8.7 Hz, 1H); 7.77 (dd, J=1.7, 7.4 Hz, 1H); 7.64 (d, J=7.4 Hz, 1H); 7.57 (d, J=9.8 Hz, 1H); 7.45-7.52 (m, 3H); 4.48 (s, 2H). 13C NMR (DMSO-d6) ppm: 169.0 (d, J=253 Hz), 162.6, 159.3, 157.0, 154.0, 152.2, 151.7 (d, J=13 Hz), 146.1, 136.5, 134.7, 134.2, 134.0, 133.0, 132.6 (d, J=11 Hz), 131.3, 120.2, 118.9 (d, J=24 Hz), 115.3 (d, J=22 Hz), 34.6. MS (ES): m/z 439.0 (M+). Anal. calcd. for C20H12ClFN6OS.0.4-C2H6O.0.4H2O(0.15KCl: C, 52.52; H, 3.22; Cl, 8.57; N, 17.67. Found: C, 52.25; H, 3.11; Cl, 8.20; N, 17.69.

Provenance & Evidence