Formic Acid → HCID 58980788, compound

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Reaction Steps

A solution of 6-(4-Chlorophenyl)3-{3-methoxy-4-[(2-pyrrolidin-1-ylethyl)amino]phenyl}thieno[3,2-d]pyrimidin-4(3H)-one (0.050 g, 0.1 mmol) in formic acid (88%, 2 mL) was heated to reflux, concentrated, and then diluted with aqueous sodium hydroxide (0.1N, 2 mL) to precipitate the product as a white solid (0.051 g, 100%). LCMS m/z 509 (MH+). 1H NMR (300 MHz, DMSO-d6) δ 8.50 (s, 1H), 8.10 (s, 1H), 8.00 (s, 1H), 7.95 (d, 2H), 7.60 (d, 2H), 7.43 (d, 1H), 7.42 (s, 1H), 7.20 (d, 1H), 3.82 (s, 3H), 3.78 (t, 2H), 3.30-3.50 (m, 2H), 2.40 (m, 4H), 1.70 (m, 4H) ppm.

Provenance & Evidence