4H,6H,7H-pyrano[3,4-d][1,2]oxazole-3-carboxylic acid → HCID 70657187, compound

Participants

Reaction Steps

The title compound was prepared using the method of Example 34(d) starting from 6,7-dihydro-4H-pyrano[3,4-d]isoxazole-3-carboxylic acid (0.101 g, 0.598 mmol) and (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile (0.12 g, 0.460 mmol). The product was purified by reverse phase flash chromatography. Yield 9.50%. 1H-NMR (400 MHz; CDCl3): δ 1.25 (d, 3H), 2.93 (t, 2H), 3.90 (t, 2H), 4.26 (dd, 1H), 4.42 (dd, 1H), 4.50-4.62 (m, 1H), 4.86-4.90 (m, 2H), 6.64 (d, 1H), 7.50 (d, 1H), 7.64 (d, 1H), 7.71 (d, 1H), 7.87 (dd, 1H), 7.95 (d, 1H).

Provenance & Evidence