Hydrochloric Acid → HCID 131734456, compound

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Reaction Steps

tert-Butyl 4-[(4S)-7-(3,5-dimethylisoxazol-4-yl)-4-pyridin-2-yl-4,5-dihydroimidazo[1,5,4-de][1,4]benzoxazin-2-yl]piperazine-1-carboxylate (45 mg, 0.087 mmol) was stirred in 4 N HCl in dioxanes (3 mL) and methanol (2 mL) for 30 min, at which time the solvent was evaporated to give the title compound (45 mg, 92%). LCMS calc. for C27H32N7O3 (M+H)+: m/z=417.2. found: 417.3.

Provenance & Evidence