Phosphorus oxychloride → HCID 178478360, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of POCl3 (5 mL, 8 g, 55 mmol) and cyclobutanecarboxylic acid [(3-chloropyrazin-2-yl)-(2-phenylquinolin-7-yl)methyl]-amide [275 mg, 0.583 mmol] is heated to 70° C. for 21.5 h. POCl3 is evaporated, a cold solution of NH3 in zPrOH (2M, 11 mL, 22 mmol) is added, the suspension is sonicated, the solid is filtered off and washed with iPrOH. The solid is suspended in CHCl3 and filtered, and the filtrate is concentrated to obtain the title compound as yellow solid. 1H NMR (CDCl3, 400 MHz) δ 2.04-2.15 (m, 1H), 2.15-2.28 (m, 1H), 2.50-2.60 (m, 2H), 2.64-2.76 (m, 2H), 3.89 (quint, J=8.4 Hz, 1H), 7.35 (d, J=4.8 Hz, 1H), 7.1447.50 (m, 1H), 7.51-7.57 (m, 3H), 7.89-7.93 (m, 3H), 8.17-8.22 (m, 2H), 8.27 (dd, J=0.8, 8.8 Hz, 1H), 8.53 (d, J=0.8 Hz, 1H). MS (ES+): m/z 410.9/412.9 (100/39) [MH+]. HPLC: tR=3.7 min (MicromassZQ, nonpolar—5 min).

Provenance & Evidence