3-t-butoxycarbonylamino-3-methyl-N-[2,3,4,5-tetrahydro-2-oxo-1H-benzazepin-3(R)-yl]butanamide → 3-[[1-[[2'-(acetoxyacetyl)-[1,1'-biphenyl]-4-yl]methyl]-2,3,4,5-tetrahydro-2-oxo-1H-benzazepin-3(R)-yl]amino]-1,1-dimethyl-3-oxo-propylcarbamic acid, 1,1-dimethylethyl ester

Participants

Reaction Steps

Prepared from 4'-bromoethyl-2-(acetoxyacetyl) -1,1'-biphenyl and 3-t-butoxycarbonylamino-3-methyl -N-[2,3,4,5-tetrahydro-2-oxo-1H-1-benzazepin-3(R)-yl]-butanamide (Example 57, Step A) by the procedure described in Example 69, Step D. 1H NMR (200 MHz,CDCl3): 1.33 (s,6H), 1.39 (s,9H), 1.87 (m,1H), 2.03 (s,3H), 2.35-2.70 (m,5H), 4.36 (s,2H), 4.51 (m,1H), 4.85 (d,15 Hz,1H), 5.28 (d,15 Hz,1H), 6.66 (m,1H), 7.1-7.6 (m,12H).

Provenance & Evidence