Hydrochloric Acid → (S)-2-amino-1-(2-phenyl-[1,3]dithian-2-yl)-hexan-1-ol

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To {1-[hydroxy-(2-phenyl-[1,3]dithian-2-yl)-methyl]-pentyl}-carbamic acid tert-butyl ester (608 mg, 1.47 mmol) in dioxane (2.7 mL) at 10° C. was added hydrochloric acid (2.7 mL, 4 M in dioxane). The solution was warmed to 23° C. After 3 h, the solution was diluted with toluene (5 mL) and concentrated under reduced pressure. The gummy solid was washed with diethyl ether resulting in the hydrochloride salt of 2-amino-1-(2-phenyl-[1,3]dithian-2-yl)-hexan-1-ol, 414 mg, 82% as a free flowing solid after removal of excess ether under reduced pressure.

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