1,4-Dioxane hydrochloride → HCID 69688248, compound
Reaction equation
C(OC(=O)[NH:7][C@H:8]([C:17](=[O:21])[N:18]([CH3:20])[CH3:19])[CH2:9][C:10]1[CH:15]=[CH:14][C:13]([OH:16])=[CH:12][CH:11]=1)(C)(C)C.[ClH:23].O1CCOCC1>>[ClH:23].[NH2:7][C@@H:8]([CH2:9][C:10]1[CH:11]=[CH:12][C:13]([OH:16])=[CH:14][CH:15]=1)[C:17]([N:18]([CH3:20])[CH3:19])=[O:21]Participants
3
Conditions
- Temperature
- 25 °C
Procedure
(S)-[1-Dimethylcarbamoyl-2-(4-hydroxy-phenyl)-ethyl]-carbamic acid tert-butyl ester (5.7 g, 18.5 mmol) was dissolved in 4M HCl-dioxane (7 mL) at 0° C. The mixture was stirred at 25° C. for 3 hours, concentrated and the residue triturated with ether. Yield, 5.23 g; HPLC (60/40) 3.32 minutes (98%).
Workup
- concentrationconcentrated
- customthe residue triturated with ether
- customYield
Sources & evidence
- ORD record
- ord-da54e0f1db624b88bbbf4d3d3a53f8e6
- Source dataset
- uspto-grants-2001_08
- Patent number
- US06277877B1
Reaction notes
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