反应详情

This compound was prepared from 7-[4-(furan-2-carbonyl)-piperazin-1-yl]-5-oxo-4,5-dihydro-thieno[3,2-b]pyridine-6-carboxylic acid ethyl ester (10) and 2-chloroacetophenone by applying similar method as described for 4-(4-fluoro-benzyl)-7-[4-(furan-2-carbonyl)-piperazin-1-yl]-5-oxo-4,5-dihydro-thieno[3,2-b]pyridine-6-carboxylic acid ethyl ester (11). MP 246° C. 1H-NMR (DMSO-d6) δ 1.25 (t, J=7.2 Hz, 3H), 3.85 (m, 4H), 4.23 (q, J=6.8 Hz, 2H), 5.75 (s, 2H), 6.66 (m, 1H), 7.07 (d, J=3.2 Hz, 1H), 7.34 (d, J=5.6 Hz, 1H), 7.61 (t, J=7.6 Hz, 2H), 7.73 (t, J=7.6 Hz, 1H), 7.88 (d, J=0.8 Hz, 1H), 8.01 (d, J=5.6 Hz, 1H), 8.10 (d, J=7.6 Hz, 2H); EIMS m/z 520 (M+1).