Formaldehyde → HCID 67449675, compound

Participants

Reaction Steps

Following the procedure outlined for Example 1387, (R)-8-methoxy-9-(4-(1-(methylamino)propan-2-yl)phenyl)thieno[2,3-c]quinolin-4(5H)-one hydrochloride (40 mg, 0.11 mmol) was reacted with paraformaldehyde (7 mg, 0.21 mmol) and after purification the resulting material was converted to the hydrochloride salt as outlined in General Procedure D-2 to afford the desired product (28 mg, 67%) as a white solid: 1H NMR (500 MHz, CD3OD) δ 7.65-7.52 (m, 3H), 7.44-7.32 (m, 3H), 7.18 (d, J=8.9 Hz, 1H), 6.12 (d, J=5.4 Hz, 1H), 3.62 (d, J=3.1 Hz, 1H), 3.46 (dd, J=13.2, 4.7 Hz, 2H), 2.97 (s, 3H), 2.94 (s, 3H), 1.49 (d, J=6.6 Hz, 3H); ESI MS m/z 379 [C22H22N2O2S+H]+; HPLC >99% (AUC), tR=8.57 min.

Provenance & Evidence