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 85% yield. 1H-NMR (CDCl3) 0.96 (tr, 3H, J=7.38 Hz); 1.46-1.57 (m, 2H); 1.59-2.77 (m, 2H); 4.1 (tr, 2H, J=6.45 Hz); 6.93 (d, 1H, J=8.67 Hz); 7.96 (dd, 1H, J=8.64, 2.1 Hz); 8.1 (d, 1H, J=2.07 Hz).