O-Methylhydroxylamine → HCID 58190531, compound

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Reaction Steps

A solution of 1-(3-(quinolin-6-ylmethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)ethanone (60 mg, 0.198 mmol) and O-methylhydroxylamine (49.6 mg, 0.593 mmol) in MeOH (10 mL) was stirred at rt overnight. Solvent was evaporated and the crude was purified by HPLC (acidic with 0.05% TFA and then neutralized to free base) to give 40 mg (60.8%) of the title compound as a white solid. 1H-NMR (400 MHz, MeOH-d4 δ ppm 8.82 (s, 1H), 8.32 (d, 1H), 8.12 (d, 1H), 7.98 (m, 3H), 7.84 (d, 1H), 7.54 (m, 1H), 4.83 (s, 2H), 4.09 (s, 3H), 2.28 (s, 3H). LC-MS (method B): [MH]+=333.1, tR=2.34 min.

Provenance & Evidence