反应详情

When the product of Step A 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 48% yield, as colourless solid. 1H-NMR (DMSO-d6) 8.42 (s, 1H); 8.28 (s, 1H); 8.2 (d, 1H, J=8.41 Hz); 8.11 (d, 1H, J=8.1 Hz); 7.82 (s, 1H); 7.64-7.61 (m, 3H); 7.4 (b, 1H); 6.92 (s, 1H); 4.9 (bs, 2H); 3.66 (b, 2H); 3.59 (b, 2H).