反应详情

When the product of Step C was substituted for tert-butyl 5-(5-(5-(3-chloro-4-propoxyphenyl)-1,2,4-oxadiazol-3-yl)benzofuran-2-yl)-2,2-dimethyl-1,3-dioxan-5-ylcarbamate in Example 36, Step E, the similar procedure afforded the title compound in 32% yield, as light yellow solid. 1H-NMR (DMSO-d6) 8.09 (s, 1H); 7.96 (d, 2H, J=8.4 Hz); 7.7 (d, 1H, J=8.4 Hz); 7.15 (d, 2H, J=9 Hz); 6.98 (s, 1H); 5.1 (b, 2H); 4.13 (q, 2H, J=6.9, 13.8 Hz); 3.73 (d, 2H, J=8.1 Hz); 3.64 (d, 2H, J=8.1 Hz); 1.34 (t, 3H, J=6.9 Hz).