反应详情

When the product of Step A was substituted for 3-chloro-4-ethoxybenzaldehyde in Example 49, Step A the identical process afforded the title compound in 72% yield. 1H-NMR (CDCl3) 0.92 (tr, 3H); 1.42-1.65 (m, 4H); 1.76-1.9 (m, 2H); 4.08 (tr, 2H, J=6.51 Hz); 6.92 (d, 1H, J=8.7 Hz); 7.95 (dd, 1H, J=2.1, 8.61 Hz); 8.1 (d, 1H, J=2.07 Hz).