1,4-Dioxane hydrochloride → (R)-2-Amino-1-(4-hydroxy-piperidin-1-yl)-3-phenyl-propan-1-one hydrochloride
Reaction equation
C(OC([NH:8][C@H:9]([CH2:19][C:20]1[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=1)[C:10]([N:12]1[CH2:17][CH2:16][CH:15]([OH:18])[CH2:14][CH2:13]1)=[O:11])=O)(C)(C)C.[ClH:26].O1CCOCC1>>[ClH:26].[NH2:8][C@H:9]([CH2:19][C:20]1[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=1)[C:10]([N:12]1[CH2:17][CH2:16][CH:15]([OH:18])[CH2:14][CH2:13]1)=[O:11]Participants
3
Conditions
- Temperature
- 25 °C
Procedure
(R)-2-(N-t-butoxycarbonylamino)-1-(4-hydroxy-piperidin-1-yl)-3-phenyl-propan-1-one (12.5 mmol) was dissolved in 4M HCl-dioxane at 0° C. and the resulting suspension stirred at 25° C. for 1 hour. The mixture was concentrated and the residue triturated with ether. Yield, 3.44 g, 97%.
Workup
- concentrationThe mixture was concentrated
- customthe residue triturated with ether
- customYield
Sources & evidence
- ORD record
- ord-bb1548a2ea274517a4a8fbb5458f6f8c
- Source dataset
- uspto-grants-2001_08
- Patent number
- US06277877B1
Reaction notes
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