Isopropanol → HCID 71625282, compound

Participants

Reaction Steps

Following the method used to prepare 24a, the use of 1a (0.21 mmol) and oxalyl chloride in THF followed by allowing the intermediate acid chloride to react with 2-propanol (2 mL) provided 40 mg (53%) of product 13 as a white solid, mp 190-192° C. 1H NMR (300 MHz, DMSO-d6) δ 1.22 (d, J=6 Hz, 6H), 2.60 (s, 3H), 5.05-5.14 (m, 1H), 6.88 (d, J=8 Hz, 1H), 6.98 (d, J=9 Hz, 2H), 7.23 (t, J=8 Hz, 1H), 7.30 (d, J=9 Hz, 2H), 7.42 (d, J=9 Hz, 1H), 12.45 (s, 1H). LC-MS (CI): m/z 360.1 [(M+H)+ C19H18ClNO2S requires 359.07]. Purity (100%). Calcd for C19H18ClNO2S.0.07CH2Cl2: C, 62.61; H, 5.00; N, 3.83; S, 8.77; Cl, 11.05. Found: C, 62.32; H, 5.01; N, 3.77; S, 9.08; Cl, 10.93.

Provenance & Evidence