反应详情

The title compound was prepared using the procedure as described in Example 7B, substituting the product of Example 13A for the product of Example 7A. 1H NMR (300 MHz, CDCl3) δ 7.27 (s, 1H), 6.68 (s, 1H), 4.15-4.29 (m, 2H), 3.98 (m, 1H), 2.29 (s, 3H), 2.07-2.17 (m, 1H), 1.75-1.85 (m, 1H). MS (DCI) m/e 198(M+H)+.