反应详情

The title compound was prepared from 4-bromo-benzene-1,2-diamine and 1-oxa-2-aza-spiro[4.5]dec-2-ene-3-carboxylic acid (as prepared in Example 1, step B) according to the procedures described in Example 1, steps F and G. 1H-NMR (400 MHz, d4-MeOH) δ: 7.74 (s, 1H), 7.51 (d, J=8.6 Hz, 1H), 7.40 (dd, J=8.6, 1.8 Hz, 1H), 3.25 (s, 2H), 1.69-1.87 (m, 6H), 1.45-1.63 (m, 4H).