Hydroxylamine → HCID 72806160, 화합물

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A reaction vessel was charged with 1-(3-fluorophenyl)-2-(5-trifluoromethyl-2-pyridinyl)ethanone (2 g, 7 mmol), hydroxylamine (2.2 g, 32 mmol), 10% NaOH aqueous solution (11 ml, 27 mmol) and methanol (24 ml). The reaction mixture was heated to 70° C. and stirred at 70° C. for 3 hrs. It was then cooled to room temperature and water (12 ml) was added. The mixture was stirred at 0° C. for 1 hr. The solids were collected on a filter, washed with water, and dried under vacuum at 50° C. overnight to provide 1.9 g (91%) of the title compound as a solid with purity 99% AUC by HPLC (Phenomenex Luna 3μ cyano, 100 mm×4.6 mm. Flow rate: 1 ml/min. UV detection: 220 nm. Eluent: 75% A, 25% B. A: 80/20/0.05 water/acetonitrile/TFA. B: 20/80/0.05 water/acetonitrile/TFA).

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