6,7-Dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylic acid → HCID 70656046, compound

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Reaction Steps

The title compound was prepared using the method of Example 34(d) starting from (S)-4-(1-(2-aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile (200 mg, 0.767 mmol) and 6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylic acid (168 mg, 0.997 mmol). The product was purified with flash-chromatography. Yield 251 mg (80%). 1H-NMR (400 MHz; CDCl3): δ 1.21 (d, 3H), 2.27-2.32 (m, 2H), 4.14-4.20 (m, 2H), 4.26-4.43 (m, 4H), 4.51-4.60 (m, 1H), 6.01 (s, 1H), 6.62 (d, 1H), 7.49 (d, 1H), 7.51 (d, 1H), 7.66 (d, 1H), 7.81-7.84 (m, 1H), 8.03 (d, 1H).

Provenance & Evidence