反应详情

The product from Example 105B and 4,4-dimethylpentanoic acid were processed using the method analogous to that described in Example 137 to afford the title compound. 1H NMR (300 MHz, DMSO-d6) δ ppm 0.89 (s, 9H), 1.44 (s, 9H), 1.48-1.53 (m, 2H), 2.23-2.27 (m, 2H), 6.99 (dd, J=7.1, 4.0 Hz, 1H), 8.48 (dd, J=4.0, 2.0 Hz, 1H), 8.92 (dd, J=6.9, 1.8 Hz, 1H), 9.69 (s, 1H); MS (DCI) m/z 303 (M+H)+.