HCID 21919702, compound → HCID 86586423, compound

Participants

Reaction Steps

Using a similar procedure to that for the preparation the compound of Example 38 from methyl (2S)-2-amino-3-(2,6-dimethoxy[1,1′-biphenyl]-4-yl)propanoate (2.0 g, 6.3 mmol) and 7-oxaspiro[3.5]nonane-1,3-dione (1.1 g, 1.1 eq) in DCM (30 ml) was prepared the title compound as a white foam (2.4 g, 86%). δH (300 MHz, DMSO d6) 8.53 (1H, d, J 8.7 Hz), 7.20–7.30 (3H, m), 7.08 (2H, d, J 8.1 Hz), 6.70 (2H, d, J 8.5 Hz), 4.44 (1H, s), 4.30 (1H, m), 3.72 (3H, s), 3.61 (6H, s), 3.22 (1H, dd, J 13.7, 5.0 Hz), 2.98 (1H, dd, J 13.8, 10.1 Hz), 1.74–1.99 (2H, m), 1.48 (1H, d, J 13.6 Hz), 1.31 (1H, d, J 13.0 Hz); m/z (ES+, 70V) 439 (MH+).

Provenance & Evidence