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CAS No. : | 471-46-5 | MDL No. : | MFCD00008007 |
Formula : | C2H4N2O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | YIKSCQDJHCMVMK-UHFFFAOYSA-N |
M.W : | 88.07 | Pubchem ID : | 10113 |
Synonyms : |
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Signal Word: | Danger | Class: | 9 |
Precautionary Statements: | P260-P264-P273-P301+P312-P305+P351+P338-P314 | UN#: | 3077 |
Hazard Statements: | H302-H319-H372-H410 | 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 |
---|---|---|
90% | With potassium phosphate; copper(l) iodide; ethylenediamine; In toluene; for 18.0h;Inert atmosphere; Reflux; | Take a 2000 mL three-necked reaction flask equipped with a thermowell, a condenser and a stirring device, and add 2-bromoethanol (310 g, 2.5 mol)Oxamide (88.0 g, 1.0 mol),Ethylenediamine (18.0 g, 30 mol%, 0.3 mol),CuI (14.4 g, 15 mol%, 0.075 mol),K3PO4 (742.0 g, 3.5 mol),Add 1000 mL of toluene as a solvent and purge with nitrogen Protection, open stirring, the reaction was refluxed for 18 hours. The reaction was cooled to completion, the solvent was distilled off under reduced pressure, anhydrous ethanol was added to the residual solid, and then the slurry was filtered, the filter cake was washed with water and cold diethyl ether,Dried to give the product N, N'-bis (2-hydroxyethyl) oxamide 158.4 g,Yield 90%, |