反应详情

(RK1-1-42) I This compound was prepared according to the procedure described for compound 12a except using 11i to obtain the required product as a light yellow solid (130 mg, 93%). Mp=158-160° C.; 1H NMR (400 MHz, CDCl3) δ 7.52 (d, J=8.8 Hz, 1H), 6.98 (d, J=8.2 Hz, 2H), 6.93 (d, J=8.2 Hz, 2H) 6.70 (br s, 1H), 6.16 (s, 1H), 6.14 (app d, J=2.0 Hz, 1H), 4.05 (br s, 2H), 3.95 (s, 3H), 2.23 (s, 3H).

1. custom(RK1-1-42) I This compound was prepared