反应详情

When the product of Step C was substituted for ethyl-2-(4-(2-(6-methoxy-2,3-dihydrobenzofuran-2-yl)ethyl)phenoxy)acetate in Example 21, Step D, the similar process afforded the title compound in 28% yield, as light yellow paste. 1H NMR (CDCl3) 7.47 (d, 2H, J=8.05 Hz); 7.24 (d, 2H, J=8.04 Hz); 7.10 (d, 1H, J=3.60 Hz); 6.91-6.85 (m, 3H); 6.81-6.76 (m, 2H); 4.44 (s, 2H); 4.07-3.98 (m, 1H); 3.61 (t, 2H, J=5.31 Hz); 3.53 (s, 3H); 2.58 (t, 2H, J=5.31 Hz); 2.21 (s, 3H); 1.21 (d, 6H, J=6.56 Hz).