反应详情

This compound was prepared from 34b according to method F and method G (using Pyr./HCl). Yellow solid; Yield: 41% (for two steps); mp 325-328° C. (dec.); 1H-NMR (300 MHz, DMSO-d6) δ 7.10 (dd, J=8.8, 8.7 Hz, 1H), 7.27 (d, J=2.5 Hz, 1H), 7.43 (dd, J=8.4, 1.4 Hz, 1H), 7.49 (dd, J=9.2, 2.5 Hz, 1H), 7.55 (dd, J=12.2, 2.0 Hz, 1H), 8.04 (d, J=9.1 Hz, 1H), 10.37 (s, 1H), 10.97 (s, 1H); MS (ESI) m/z 313 ([M−H]−), 315 ([M+H]+); Anal. Calcd for C16H8ClFN2O2: C, 61.07; H, 2.56; N, 8.90. Found: C, 60.80; H, 2.57; N, 8.55.