反应详情

Prepared from 3-amino-2,3,4,5-tetrahydro-1H[1]benzazepin-2-one (Example 1, Step A) and 3-benzyloxycarbonylamino-3-methylbutanoic acid (Example 1, Step E) by the procedure described in Example 1, Step F. 1H NMR (200 MHz, CDCl3): 1.38 (s,3H), 1.39 (s,3H), 1.82 (m,1H), 2.52 (s,2H), 2.5-3.0 (m,3H), 4.51 (m,1H), 5.07 (br s,2H), 5.58 (br s,1H), 6.68 (d,7 Hz, 1H), 6.96 (d,8 Hz, 1H), 7.1-7.4 (m,8H), 7.62 (br s, 1H). FAB-MS: calculated for C23H27N3O4 409; found 410 (M+H,100%).