Hydroxylamine → (1S,2S,5R)-N-hydroxy-2-[(4-phenylpiperazin-1-yl)carbonyl]-5-(pyridin-3-ylmethoxy)cyclohexanecarboxamide

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반응 단계

1.00 M of Potassium tert-butoxide in tetrahydrofuran (0.212 mL) was added to a mixture of methyl (1S,2S,5R)-5-hydroxy-2-[(4-phenylpiperazin-1-yl)carbonyl]cyclohexanecarboxylate (36.8 mg, 0.000106 mol) and 3-chloromethylpyridine hydrochloride (17.4 mg, 0.106 mmol) in tetrahydrofuran (1.0 mL, 0.012 mol) at 0 Celsius. The mixture was stirred at room temperature for 1 hr then purified by HPLC. 1.5 M of hydroxyamine solution (0.7 ml) was added to a solution of methyl (1S,2S,5R)-2-[(4-phenylpiperazin-1-yl)carbonyl]-5-(pyridin-3-ylmethoxy)cyclohexanecarboxylate (0.075 mmol, 0.000075 mol) made above in methanol (0.5 mL, 0.01 mol). It was stirred at rt for 2 hrs then purified by Prep-HPLC.

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