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CAS No. : | 3235-82-3 | MDL No. : | MFCD00023375 |
Formula : | C8H15NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | SITMDWHJQROIPF-UHFFFAOYSA-N |
M.W : | 173.21 | Pubchem ID : | 2734105 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | 3265 |
Hazard Statements: | H314 | Packing Group: | Ⅲ |
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 |
---|---|---|
91.7% | With hydrogenchloride; In water; at 20℃; for 24h;Heating / reflux; | Ethyl 4-morpholinoacetate (1.1 g, 6.3 mmol) was added to 3M hydrochloric acid solution (35 ml), refluxed for 2 hours, stirred for 1 day at a room temperature, and then concentrated under a reduced pressure. The resulting residue was dissolved in methanol and reconcentrated. The resulting solid was suspended in ethylether, filtered and dried under a reduced pressure to give 1.05 g of the titled compound. (Yield 91.7%) NMR (DMSO-d6): 3.3(s, 4H), 3.9(s, 4H), 4.2(s, 2H). |
With sodium hydroxide; In ethanol; water; | The morpholinoacetic acid used in Example 183.a. was prepared as follows: Ethyl morpholinoacetate (5.0 g) in ethanol (115 mL) was added to a solution of sodium hydroxide (1.27 g) in water (12 mL) and the mixture was allowed to stir for 1 h. The mixture was evaporated, dissolved in water (125 mL), and extracted with ethyl acetate. The aqueous phase was acidified with 10% hydrochloric acid (pH 2) and lyophilized to give a brown oil. The oil was dried under vacuum to yield morpholinoacetic acid hydrochloride, which was used directly for the acylation above. |
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