Hydrochloric Acid → HCID 178472456, compound

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Reaction Steps

A solution of trans-4-(N′-tert-butoxycarbonyl-hydrazino)-cyclohexanecarboxylic acid ethyl ester (0.625 g, 2.18 mmol) in 4 M hydrogen chloride solution in 1,4-dioxane (5.5 ml, 22 mmol) was stirred at room temperature for 3 days. The precipitate was collected by filtration, washed with tert-butyl methyl ether and dried in vacuo to give the title compound as white solid in quantitative yield. MS m/e: 187 ([M+H]+).

Provenance & Evidence