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CAS No. : | 1564-49-4 | MDL No. : | MFCD03789116 |
Formula : | C7H9N3O4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IFMBEWCVGFBHPO-UHFFFAOYSA-N |
M.W : | 199.16 | Pubchem ID : | 2758877 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302+H312+H332-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 |
---|---|---|
34.7% | at 70℃; for 3 h; | Step 6a. A solution of ethyl 1 -methyl- lH-imidazole-2-carboxy late (2.0 g, 13 mmol) in 8 ml cone. H2SO4 and 8 ml cone. HNO3 was stirred for 3 hours at 70°C. The solution was diluted with H2O, then adjusted to pH 7-8 with aq Na2C03 solution and extracted with DCM. The organic layer was concentrated and chromatographed (silica, ethyl acetate/petroleum ether) to give the desired compound as yellow solid (0.9g, 34.7percent). ESI- MS m/z = 200.20 [M+H]+ |
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