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 39% yield, as creamy solid. 1H-NMR (DMSO-d5) 8.31 (b, 2H); 8.05 (d, 1H, J=8.52 Hz); 8.00 (d, 1H, J=8.49 Hz); 7.94 (d, 1H, J=8.58 Hz); 7.68 (d, 1H, J=8.46 Hz); 6.91 (s, 1H); 4.88 (bs, 1H); 3.66 (bs, 2H); 3.58 (bs, 2H).