反应详情

The title compound was synthesized according to the procedure described for the preparation of Example 458 using 70 (160 mg, 0.76 mmol) and ethyl 3-bromobutanoate (0.01 mL, 0.91 mmol) to provide 460 (32 mg, 13% yield) as a white powder. LC-MS (M+H=326, obsd.=326). 1H NMR (400 MHz, DMSO-D6) δ 8.53 (ddd, J=1.7, 6.4, 9.7, 2H), 8.03 (d, J=8.6, 1H), 7.27 (m, 2H), 6.88 (dd, J=2.1, 8.7, 1H), 6.14 (s, 2H), 4.47 (t, J=6.9, 2H), 3.97 (q, J=7.1, 2H), 2.33 (t, J=7.4, 2H), 1.95 (p, J=7.3, 2H), 1.12 (t, J=7.1, 3H).

1. customThe title compound was synthesized