[ClH:1].C(OC([N:9]1[CH2:14][CH2:13][CH2:12][CH2:11][C@H:10]1[CH2:15][OH:16])=O)(C)(C)C>O1CCOCC1>[ClH:1].[NH:9]1[CH2:14][CH2:13][CH2:12][CH2:11][C@H:10]1[CH2:15][OH:16]A 4M HCl solution in dioxane (30 mL) was added to (S)-2-Hydroxymethyl-piperidine-1-carboxylic acid tert-butyl ester (5.12 g, 23.78 mmol). The mixture was stirred at rt for 3 h. The solvent was removed in vacuo to yield the title product as a hydrochloride salt (3.43 g, 95%).
Wird geladen…