Phenyl isocyanate → 3-(4-{4-Amino-6-methylthieno[2,3-d]pyrimidin-5-yl}phenyl)-1-phenylurea

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Reaction Steps

A 0° C. solution of Example 1E (80 mg, 0.3 mmol) in dichloromethane (4 mL) was treated with phenyl isocyanate (0.037 mL, 0.34 mmol), stirred overnight, and filtered. The filter cake was dried to provide 0.103 g (87%) of the desired product. MS (CI) m/e 376 (M+H)+; 1H NMR (300 MHz, DMSO-d6) δ 8.89 (s, 1H); 8.75 (s, 1H); 8.26 (s, 1H); 7.63 (d, J=8.7 Hz, 2H); 7.47 (d, J=8.7 Hz, 2H); 7.33-7.26 (m, 4H); 6.99 (t, J=7.5 Hz, 1H); 2.30 (s, 3H); Anal. Calcd. for C20H17N5OS.0.1CH2Cl2: C, 62.88; H, 4.52; N, 18.24. Found: C, 62.85; H, 4.64; N, 18.15.

Provenance & Evidence