反应详情

Prepared as in Example 2a from 3-(3-amino-2-cyanophenoxy)-N-cyclopentyl-2,2-dimethylpropanamide (Example 29b) and ethyl 3-oxobutanoate as a bright yellow solid (62%). 1H NMR (400 MHz, DMSO-d6) δ 1.26 (s, 6H), 1.34 (t, J=8.0 Hz, 3H), 1.40-1.46 (m, 4H), 1.57-1.59 (m, 2H), 1.74-1.77 (m, 2H), 2.57 (s, 3H), 4.09 (q, J=4.0 Hz, 1H), 4.15 (s, 2H), 4.33 (q, J=8.0 Hz, 2H), 6.89 (d, J=4.0 Hz, 1H), 7.26 (dd, J=8.0 Hz, 1H), 7.53 (d, J=8.0 Hz, 1H), 7.56 (s, 1H), 8.09 (brs, 2H). MS 414 (MH+).