反应详情

Starting from the compound 301, following the procedures described above for the synthesis of compound 269b (scheme 61, example 222) but replacing 2-(2,6-dichlorophenyl)acetyl isothiocyanate with 2-phenylacethyl isothiocyanate, title compound 302 was obtained in 12% yield, as a yellow solid. 1H NMR (d-DMSO) δ (ppm): 12.47(s, 1H), 11.76(s, 1H), 10.83(s, 1H), 8.41(d, 1H, J=6.9 Hz), 7.84(s, 1H), 7.80(s, 1H), 7.78(s, 1H), 7.55(s, 1H), 7.46(s, 1H), 7.43(s, 1H), 7.32(m, 4H), 7.28-7.20(m, 1H), 7.20(s, 1H), 6.94(d, 1H, J=6.8 Hz), 3.98(s, 3H), 3.81(s, 2H). MS (m/z): 499.1(M+H) (found).