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CAS No. : | 135065-69-9 | MDL No. : | MFCD03426270 |
Formula : | C10H19NO4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 217.26 | Pubchem ID : | - |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
99% | palladium-carbon; In methanol; | Step A: 2-Hydroxymethylmorpholine-4-carboxylic acid tert-butyl ester To a solution of (4-benzylmorpholin-2-yl)-methanol (0.66 g, 3.18 mmol, Synth. Comm. 1980, 10, 59-73) in MeOH (20 mL) was added Boc anhydride (0.83 g, 3.82 mmol) followed by Pd/C (0.66 g, 6.20 mmol). The mixture was stirred under hydrogen atmosphere for 60 hours. The catalyst was removed by filtration and the filtrate was concentrated under reduced pressure to afford the product as colorless oil (0.69 g, 99% yield). |
87% | Ammonium formate (3.04 g, 48.2 mmol) and 10% palladium on activated carbon (500 mg) were added to (4-benzylmorpholin-2-yl)methanol (1.00 g, 4.82 mmol) in methanol (50 mL). The mixture was stirred at room temperature for 4 hours. Subsequently, the reaction mixture was filtered through Celite and the solvent was evaporated. The resulting residue was dissolved in acetonitrile (20 mL). While this solution was chilled in an ice bath, ditert-butyl dicarbonate (1.58 g, 7.23 mmol) and triethylamine (1.35 mL, 9.64 mmol) were added and the mixture was stirred at room temperature for 3 hours. The solvent was evaporated and water was added to the residue. The mixture was then extracted with ethyl acetate and the extract was washed with brine, followed by drying over magnesium sulfate and evaporation of the solvent. Purification of the residue by silica gel column chromatography (hexane: ethyl acetate = 5:1 -> 1:1) gave 907 mg (87%) of the desired compound as a colorless oil. 1H NMR (400MHz, DMSO-d6) delta 1.40 (9H, s), 2.47-2.66 (1H, m), 2.73-2.92 (1H, m),3.25-3.45 (4H, m), 3.70 (1H, d, J = 13.4 Hz), 3.79 (1H, dd, J = 11.6, 2.4 Hz), 3.85 (1H, d, J = 12.8 Hz), 4.77 (1H, t, J = 5.5 Hz). |
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