2-(tert-Butoxycarbonyloxyimino)-2-phenylacetonitrile → HCID 19420458, compound

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Reaction Steps

1-(2-[3-pyridylmethylamino]-ethyl)-piperazine (2.20 g, 10 mmol) is dissolved in 20 mL of dioxane:water (1:1) mixture and 2-(tert-butoxycarbonyloxyimino)-2-phenylacetonitrile (2.46 g, 10 mmol) is added. The mixture is then stirred until no starting material is detected on thin layer chromatography. The obtained mixture is fractionally separated by silica gel chromatography, followed by RP-HPLC to obtain 1-(2-[N-tert-butoxycarbonyl-3-pyridylmethylamino]-ethyl)-piperazine.

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