反应详情

Compound 193 was coupled with formaldehyde following procedure E. LC-MS showed the product had the expected M+H+ of 452. 1H NMR (Varian 300 MHz, CD3OD, shifts relative to the solvent peak at 3.3 ppm) δ 8.68 (s, 1H), 8.36 (d, 2H), 7.92 (d, 1H), 7.67 (m, 2H), 6.99 (d, 2H), 6.72 (s, 1H), 5.07 (d, 1H), 4.36 (s, 1H), 3.43 (m, 7H), 3.04 (m, 4H), 2.36 (s, 1H), 2.05 (m, 1H), 2.00 (s, 3H), 1.15 (t, 3H).