反应详情

Compound 409 was prepared from compound 4 and compound 410 using chemistry similar to that described in example 1. The yield is 20%. 1H NMR (500 MHz, CD3OD) δ ppm 9.68 (1 H, d, J=1.5 Hz), 9.36 (1 H, s), 9.36 (1 H, d, J=0.5 Hz), 8.69 (3 H, t, J=2.2 Hz), 8.60-8.72 (1 H, m), 8.22 (1 H, d, J=10.5 Hz), 8.08 (1 H, dd, J=10.0, 1.0 Hz), 6.02-6.09 (1 H, m, J=8.1, 4.1, 4.1, 2.0 Hz), 5.89 (1 H, dddd, J=8.4, 3.4, 3.3, 1.5 Hz), 5.50 (2 H, t, J=8.8 Hz), 4.17 (3 H, qd, J=2.7, 2.6 Hz), 3.87 (3 H, t, J=5.7 Hz), 2.47-2.60 (3 H, m), 2.37-2.43 (2 H, m, J=6.1, 6.1, 3.5, 2.2 Hz), 2.15-2.35 (7 H, m), 1.87-1.99 (3 H, m); LCMS-ESI (POS), M/Z, M+1: Found 413.2, Calculated 413.2.