反应详情

The product from Example 105B and 3,3-dimethylbutanoyl chloride were processed using the method analogous to that described in Example 105C to afford the title compound. 1H NMR (300 MHz, DMSO-d6): δ ppm 1.05 (s, 9H), 1.45 (s, 9H), 2.20 (s, 2H), 6.99 (dd, J=7.1, 4.1 Hz, 1H), 8.47 (dd, J=4.1, 1.7 Hz, 1H), 8.94 (dd, J=7.0, 1.9 Hz, 1H), 9.59 (br s, 1H); MS (DCI) m/z 289 (M+H)+.