Hydrochloric Acid → (3S,4S)-1-[(S)-2-(4-Amino-piperidin-1-yl)-1-methyl-ethyl]-3-methyl-piperidin-4-ol tri-hydrochloride

Participants

Role	Name	HCID	Charge
Reactant	Hydrochloric Acid	HCID 313	—
Reactant	1,4-Dioxane	HCID 31275	—
Reactant	1-[2-(4-Methyl-piperidin-1-yl)-ethyl]-piperidin-4-ylamine tri-hydrochloride	HCID 66841322	—
Reactant	{1-[(S)-2-((3S,4S)-4-Hydroxy-3-methyl-piperidin-1-yl)-propyl]-piperidin-4-yl}-carbamic acid tert-butyl ester	HCID 66844927	—
Product	(3S,4S)-1-[(S)-2-(4-Amino-piperidin-1-yl)-1-methyl-ethyl]-3-methyl-piperidin-4-ol tri-hydrochloride	HCID 66841745	—

It is prepared by BOC-cleavage of tert-butyl ester 59 (0.666 g, 1.95 mmol) with 4M-HCl in dioxane (2.93 ml, 11.72 mmol) as described for amine 7.