Hydrochloric Acid → HCID 86641944, compound
Reaction equation
[O:1]=[C:2]([CH2:9][C:10]1[CH:15]=[CH:14][C:13]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=2[O:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)=[CH:12][CH:11]=1)[CH2:3][C:4](OCC)=[O:5].[Cl-].[OH:32][NH3+:33].[OH-].[Na+].Cl>O1CCOCC1>[OH:32][NH:33][C:4](=[O:5])[CH2:3][C:2](=[O:1])[CH2:9][C:10]1[CH:15]=[CH:14][C:13]([O:16][CH2:17][C:18]2[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=2[O:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)=[CH:12][CH:11]=1Participants
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 0 °C
Procedure
To a solution of ethyl 3-oxo-4-(4-((2-phenoxybenzyl)oxy)phenyl)butanoate (40 mg) in 1,4-dioxan (0.12 ml), 9 mg of hydroxylammonium chloride and 0.1 ml of 2.5N sodium hydroxide were added under ice-cooling, and the reaction solution was stirred at 0° C. for 1.5 hours. Concentrated hydrochloric acid (0.07 ml) was further added, and the reaction solution was stirred at room temperature for 20 minutes. The reaction solution was extracted with chloroform, the combined organic layers were washed with a saturated saline solution and dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure, and the residue obtained was purified by preparative thin layer chromatography (Kieselgel™ 60 F254, Art5744, made by Merck & Co., hexane/ethyl acetate (1:1) to afford the title compound as a yellow oil.
Workup
- temperaturecooling
- stirringthe reaction solution was stirred at room temperature for 20 minutes
- extractionThe reaction solution was extracted with chloroform
- washthe combined organic layers were washed with a saturated saline solution
- dry with materialdried over anhydrous magnesium sulfate
- distillationThe solvent was distilled off under reduced pressure
- customthe residue obtained
- customwas purified by preparative thin layer chromatography (Kieselgel™ 60 F254, Art5744
Sources & evidence
- ORD record
- ord-7919e7a9044349a1b93bd5e75c6d3379
- Source dataset
- uspto-grants-2013_02
- Patent number
- US08367708B2
Reaction notes
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