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CAS No. : | 4869-46-9 | MDL No. : | MFCD00099582 |
Formula : | C7H8N2O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | KGJFRZOATIXYPW-UHFFFAOYSA-N |
M.W : | 168.15 | Pubchem ID : | 453092 |
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 |
---|---|---|
With acetic acid; for 6h;Reflux; | A mixture of <strong>[852443-61-9]5-trifluoromethyl-2H-pyrazol-3-ylamine</strong> (500 mg, 3.31 mmol) and 1 ,3- dimethyl-2,4-dioxo-1 ,2,3,4-tetrahydropyrimidine-5-carbaldehyde (586 mg, 3.31 mmol) in acetic acid (glacial, 40 ml_) was refluxed for 6 h. After cooling the solvent was evaporated under reduced pressure. The residue was dissolved in methanol, the solution was allowed to stand overnight, the precipitated crystals were suspended in diethyl ether, filtered off and dried. The crude product was purified by flash chromatography (dichloromethane/methanol) to yield in 630 mg (49%) of the title compound as a colorless solid. HPLC (purity) 77 %. HPLC/MS: Rt 1.66 min (method A). |
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